16 results found for “energy-storage*”

Compact Energy: Compact all-in-one design with a sturdy handle and smooth-rolling casters to make moving it easier than ever. Measures 33.54 × 20.04 × 10.83 inches, weight 288.81 lbs.Communication Interface: Supports CAN and RS485 communication for connection with compatible inverters and PCs. The communication cable is included for easy setup.Easy Monitoring & Control: Includes an LCD touchscreen and Bluetooth/Wi-Fi app monitoring for SOC, voltage, current, temperature, and battery health.Intelligent BMS Safety System: Includes 200A smart BMS with over-charge, over-discharge, over-current, short-circuit, and low-temperature cut-off. Automatically shuts down below 43.2V.Long-Lasting LiFePO₄ Performance: IP65-rated enclosure protects against dust and water, while premium Grade-A LiFePO₄ cells deliver 6,000+ cycles at 80% DOD with a 10+ year service life for reliable, maintenance-free energy storage.Scalable Energy System: COM-A/B ports enable communication between all battery units. Supports up to 15P expansion with 153.6 kW max load power, ideal for solar, home storage, and off-grid applications.Smart Fire Prevention: Equipped with dual built-in fire suppression modules, the battery automatically activates protection in case of overheating, short circuits, or abnormal conditions, helping prevent fire risks and ensure safe operation.Safety Protection: Features a DC breaker and battery power switch for convenient operation and additional electrical protection.Dual Charging Options: Via a 58.4V lithium battery charger or through an inverter/MPPT. Please follow the user manual for proper operation.All-Weather & Flexible Charging: Reliable operation from -4°F to 149°F. Supports charging via LiFePO4 chargers, Solar panels (≥1500W), or Generators. Certified by FCC, CE, RoHS, and UN38.3.Multi-brand Inverter Communication: Supports multi-brand inverter communication, compatible with Victron, Pylontech, Luxpower, Sol-Ark, DEYE, Growatt, GoodWe, and more.Exceptional KeepKnow Service: Enjoy peace of mind with a 5-year warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

High-Density Powerhouse (12.8V 320Ah): Massive energy in a compact footprint. Delivers 4096Wh of capacity while measuring just 13.58×7.48×9.64 inches. At 55.55 lbs, it provides 3x the energy of traditional lead-acid batteries at 1/3 the weight.Robust 200A BMS & High Discharge: Built for heavy loads. Features a powerful 200A BMS that supports 200A continuous discharge and a massive 650A surge (＜3s), making it ideal for running air conditioners, microwaves, and large inverters.Smart Bluetooth 5.0 Monitoring: Stay in control with the KeepKnow App. Track voltage, current, remaining capacity, and battery health in real time right from your smartphone, with no external battery monitor required.Rugged IP65 & All-Weather Design: Engineered for harsh environments. Encased in a flame-retardant, military-grade ABS shell with IP65 water/dust resistance. Operates reliably from -4°F to 140°F with built-in low-temp charging protection.Massive System Scalability: Flexible expansion for off-grid living. Supports up to 4S4P configuration (4 Series, 4 Parallel) to build a colossal 48V (51.2V) 1280Ah system with 65.5kWh of energy storage.EV Grade-A Longevity: Powered by premium LiFePO4 cells delivering 4,000+ cycles at 100% DOD (6,000+ at 80% DOD). Designed for a 10+ year service life, offering true maintenance-free performance.Versatile Charging Compatibility: Recharge efficiently via LiFePO4 Chargers (14.6V 20A+ recommended), Solar Panels (MPPT), or Alternators. Fully compliant with FCC, CE, RoHS, and UN38.3 standards.Exceptional KeepKnow Service: Experience worry-free power with our 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

Auto Self‑Heating Tech: When the temperature is below 32°F (0°C) during charging, the self-heating system activates using power supplied by a charger with a current output greater than 7A. Once the battery warms to 37°F (3°C) , charging automatically begins. This helps prevent damage caused by low-temperature charging and ensures dependable performance even in cold environments.High-Density 24V 100Ah Power: Double the power in the same space. Delivers 2560Wh of energy in a compact Group 31 size (13.58×7.48×9.64 in). Weighing just 40.78 lbs, it offers high energy density perfect for space-constrained RVs and Trolling Motors.10× Faster Charging: Minimize downtime with up to 50A charging current for rapid energy replenishment. Pair with a 29.2V LiFePO4 charger or ≥800W solar setup for flexible charging, while up to 300A surge output (<5s) provides extra power for demanding loads.Scalable to 20kWh (48V Ready): Build a massive off-grid system. Supports expansion up to 4 Parallel and 2 Series (4P2S) to create a powerful 51.2V 400Ah battery bank with a total capacity of 20.48kWh.Smart 100A BMS Protection: Features an intelligent 100A BMS that safeguards against overcharging, short circuits, and deep discharge (auto-disconnect <20V). Includes a 30-second auto-recovery function for effortless operation.Rugged IP65 & All-Weather Design: Built for the elements. The flame-retardant ABS casing is IP65 waterproof and shock-resistant. Operates reliably from -4°F to 140°F, ideal for marine and outdoor applications.Long-Life LiFePO4 Technology: Premium EV Grade-A cells deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. Designed for 12+ years of reliable use—10× longer than AGM batteries.Versatile Charging & Compliance: Flexible charging via 29.2V Chargers (50A max), Solar Controllers, or Alternators. Fully compliant with FCC, CE, RoHS, and UN38.3 safety standards.Exceptional KeepKnow Service: Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service. (Note: Not for use as a vehicle starter battery).

Auto Self‑Heating Tech: When the temperature is below 32°F (0°C) during charging, the self-heating system activates using power supplied by a charger with a current output greater than 7A. Once the battery warms to 37°F (3°C) , charging automatically begins. This helps prevent damage caused by low-temperature charging and ensures dependable performance even in cold environments.High-Density Powerhouse (12.8V 320Ah): Massive energy in a compact footprint. Delivers 4096Wh of capacity while measuring just 13.58×7.48×9.64 inches. At 55.55 lbs, it provides 3x the energy of traditional lead-acid batteries at 1/3 the weight.Robust 200A BMS & High Discharge: Built for heavy loads. Features a powerful 200A BMS that supports 200A continuous discharge and a massive 650A surge (＜3s), making it ideal for running air conditioners, microwaves, and large inverters.Smart Bluetooth 5.0 Monitoring: Stay in control with the KeepKnow App. Track voltage, current, remaining capacity, and battery health in real time right from your smartphone, with no external battery monitor required.Rugged IP65 & All-Weather Design: Engineered for harsh environments. Encased in a flame-retardant, military-grade ABS shell with IP65 water/dust resistance. Operates reliably from -4°F to 140°F with built-in low-temp charging protection.Massive System Scalability: Flexible expansion for off-grid living. Supports up to 4S4P configuration (4 Series, 4 Parallel) to build a colossal 48V (51.2V) 1280Ah system with 65.5kWh of energy storage.EV Grade-A Longevity: Powered by premium LiFePO4 cells delivering 4,000+ cycles at 100% DOD (6,000+ at 80% DOD). Designed for a 10+ year service life, offering true maintenance-free performance.Versatile Charging Compatibility: Recharge efficiently via LiFePO4 Chargers (14.6V 20A+ recommended), Solar Panels (MPPT), or Alternators. Fully compliant with FCC, CE, RoHS, and UN38.3 standards.Exceptional KeepKnow Service: Experience worry-free power with our 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.         

Compact and Lightweight: Group 24 size (10.24 × 6.61 × 8.23 in), weighing only 20.94 lbs, just one-third the weight of lead-acid batteries.Reliable High Power: 1,280Wh capacity with 1,280W output ensures stable, reliable performance.Modular Battery Design: Easily scale up to a 48V 400Ah 20.48kWh system with 4S4P configuration.Real-Time Monitoring: Monitor key battery metrics on the go with Bluetooth 5.0 for optimal performance.Comprehensive Protection: Built-in 100A BMS ensures safety with overcharge, over-discharge, overheat, short circuit protection, auto-reconnect, and low-temperature cut-off.Powerful Output: Delivers 100A max continuous discharge and 300A peak discharge (<5s) for high-power demands.3 charging methods: LiFePO4 charger (14.6V 20A recommended), solar with controller and alternator or generator.Premium Lithium Cells: EV Grade-A LiFePO4 cells deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD.Wide Operating Range: Reliable performance from -4°F to 140°F, ideal for RVs, boats, solar, and off-grid applications.Reliable Longevity: 12+ years lifespan with 5-year warranty coverage.Trusted Compliance: Meets FCC, CE, RoHS, and UN38.3 requirements.Maintenance-Free and Eco-Friendly: KeepKnow provides effortless and eco-conscious energy storage.Unexceptional Service: Fast delivery; 24-hour online service; Lifetime technical support; 5-year warranty.

The 72V High-Voltage Beast (7.7kWh): Unleash the full potential of your cart. Delivers a massive 7.728kWh of energy (73.6V 105Ah nominal). Designed for high-performance 72V modified carts, providing explosive acceleration and extended range that standard batteries can't match.Industrial Relay-Based BMS (250A): Engineered for high-voltage safety. Features a robust Mechanical Relay (Contactor) system instead of MOSFETs to handle the intense arcing and surges of 72V systems. Supports 250A continuous (14.7kW) and 500A peak (30s) for unmatched hill-climbing power.Advanced Dual-Balancing Technology: Critical for high-voltage stability. Utilizes a superior dual-mode balancing system (Charge Balancing + Static Balancing). This ensures all cell strings remain perfectly aligned, preventing voltage drift and maximizing the lifespan of this large battery pack.Rugged Steel Casing & Safety Valves: Built for tough environments. Housed in a heavy-duty SPCC steel case (21.6×12.4×9.2 in) with IP65 protection. Equipped with an explosion-proof pressure release valve and M8 terminals, ensuring safety under extreme conditions.Dual Smart Interface (Touchscreen + App): Total control. Includes a dashboard LCD Touchscreen and Bluetooth 5.0. Monitor real-time Voltage, Current, and Cell Status, or trigger "Emergency Shutdown" remotely via the App for ultimate security.High-Voltage Charging Bundle: Includes a specialized 83.95V 18A LiFePO4 charger. The system features intelligent Low-Temp Cut-Off (stops charging <32°F/0°C) protection, ensuring safe operation in all seasons (-4°F to 149°F).Universal 72V Compatibility: Perfect for upgrades. Fits seamlessly into ICON, modified Club Car, EZGO, and other 72V systems. Replaces 6x12V lead-acid setups directly, saving hundreds of pounds while delivering 50% more power.Exceptional KeepKnow Service: Invest in performance with confidence. Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

Ultra-Compact Steel Powerhouse (51.2V 105Ah): Maximum power in minimum space. Delivers 5.376kWh of energy in a surprisingly compact SPCC steel casing (15.3×12.4×10.0 in). Perfect for tight battery trays where standard batteries won't fit, without sacrificing capacity.Industrial Relay-Based BMS (250A): Built for heavy duty. Uses a robust Mechanical Relay (Contactor) instead of standard MOSFETs. This ensures superior resistance to high current impact, delivering 250A continuous and 500A surge (30s) for powerful acceleration and hill climbing.Compliance certified & Rugged Safety: Certified to the highest safety standards (CE, FCC, UN38.3). The heavy-duty metal housing is vibration-resistant, provides excellent heat dissipation, and features IP65 protection for stable performance in tough and uneven conditions.Advanced Dual-Balancing Technology: Maximize battery life. Features a unique dual-mode balancing system (Charge Balancing + Static Balancing). This keeps internal cells perfectly aligned for optimal efficiency and longevity.Smart Control (Touchscreen + Bluetooth): Total command at your fingertips. Includes a dashboard LCD Touchscreen and Bluetooth App. Monitor SOC, Voltage, and Temp in real-time, or trigger "Emergency Shutdown" remotely for ultimate safety.All-Weather Charging Bundle: Includes a matched 58.4V 22A LiFePO4 charger. The system features intelligent Low-Temp Cut-Off (stops charging <32°F/0°C) and High-Temp protection, ensuring safe operation from -4°F to 149°F.Universal Golf Cart Fit: Designed for seamless integration. Compatible with 48V Club Car, EZGO, Yamaha, and other major brands. The compact footprint makes installation easier in modified or space-limited carts.Exceptional KeepKnow Service: Experience premium support. Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

Ultimate 36V Golf Cart Upgrade (38.4V 100Ah): Revitalize your 36V cart. This 38.4V 100Ah lithium battery packs 3840Wh of energy, offering significantly longer range and runtime than traditional lead-acid setups. Perfect for Club Car, EZGO, and Yamaha 36V models.DC-DC Step Down Converter: DC 30‑45V to DC 13V Power Converter Features synchronous rectification technology, delivering ≥90% conversion efficiency for reliable and energy‑saving performance. Supports 30V‑45V DC input, perfectly compatible with 36V golf carts.Hill-Crushing Torque (200A Continuous): Experience zero voltage sag on hills. Equipped with a robust 200A BMS, it delivers up to 7.6kW of continuous power and a massive 400A surge (30s), ensuring rapid acceleration and powerful climbing ability.Dual Smart Control (Touchscreen + Bluetooth): Stay informed while you drive. Features a dashboard-ready LCD Touchscreen and built-in Bluetooth. Check your remaining range, voltage, and battery health instantly via the screen or the KeepKnow App.Lightweight & Agile Performance: Speed up your game. With a compact 20.55 × 9.44 × 8.58 inch footprint and a weight of just 59.52 lbs (27 kg), it cuts nearly 300 lbs from your cart compared to heavy lead acid batteries, reducing tire wear and enhancing speed and maneuverability.Fast Charging Bundle (Charger Included): Includes a specialized 43.8V 25A LiFePO4 charger for plug-and-play convenience. Supports fast charging to get you back on the course 10x faster than old AGM batteries.Rugged IP65 ABS Casing: Engineered for the outdoors. The military-grade, flame-retardant ABS case is IP65 waterproof and shockproof, specifically designed to withstand the bumps and vibrations of golf course terrain.All-Weather Reliability: Drive in any season. Operates safely from -4°F to 149°F with intelligent low/high-temperature cut-offs. The smart BMS actively prevents over-discharge, over-current, and short circuits.Exceptional KeepKnow Service: Drive with peace of mind. Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

High-Density 24V 100Ah Power: Double the power in the same space. Delivers 2560Wh of energy in a compact Group 31 size (13.58×7.48×9.64 in). Weighing just 40.78 lbs, it offers high energy density perfect for space-constrained RVs and Trolling Motors.10× Faster Charging: Minimize downtime with up to 50A charging current for rapid energy replenishment. Pair with a 29.2V LiFePO4 charger or ≥800W solar setup for flexible charging, while up to 300A surge output (<5s) provides extra power for demanding loads.Scalable to 20kWh (48V Ready): Build a massive off-grid system. Supports expansion up to 4 Parallel and 2 Series (4P2S) to create a powerful 51.2V 400Ah battery bank with a total capacity of 20.48kWh.Smart 100A BMS Protection: Features an intelligent 100A BMS that safeguards against overcharging, short circuits, and deep discharge (auto-disconnect <20V). Includes a 30-second auto-recovery function for effortless operation.Rugged IP65 & All-Weather Design: Built for the elements. The flame-retardant ABS casing is IP65 waterproof and shock-resistant. Operates reliably from -4°F to 140°F, ideal for marine and outdoor applications.Long-Life LiFePO4 Technology: Premium EV Grade-A cells deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. Designed for 12+ years of reliable use—10× longer than AGM batteries.Versatile Charging & Compliance: Flexible charging via 29.2V Chargers (50A recommended), Solar Controllers, or Alternators. Fully compliant with FCC, CE, RoHS, and UN38.3 safety standards.Exceptional KeepKnow Service: Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service. (Note: Not for use as a vehicle starter battery).

Heavy-Duty 36V Steel Powerhouse (38.4V 105Ah): Built like a tank. Features a rugged SPCC Steel casing (17.0×13.1×9.0 in) that offers superior impact protection and heat dissipation compared to plastic batteries. Delivers 4032Wh of energy to revitalize your golf cart.Industrial-Grade Relay BMS (High Surge Resistance): Engineered for maximum durability. Unlike standard MOSFET systems, our advanced Relay-based BMS withstands massive current surges and vibrations, ensuring reliable 200A continuous output and 400A peak (30s) without overheating.Dual Smart Control (Touchscreen + Bluetooth): Monitor with ease. Includes a dashboard-mountable LCD Touchscreen and Bluetooth 5.0. Check real-time Voltage, Current, and SOC, or use the "Emergency Shutdown" feature via the App for added safety.Universal 36V Compatibility: Seamless drop-in upgrade. Designed to fit perfectly in Club Car, EZGO, and Yamaha 36V carts. The metal case dimensions and terminal layout are optimized for easy installation in standard battery trays.Fast Charging Bundle (25A Charger Included): Includes a matched 43.8V 25A LiFePO4 charger for safe, rapid recharging. The system features intelligent low-temperature cut-off protection (stops charging below 32°F/0°C) to prolong battery life.Automotive-Grade LiFePO4 Cells: Powered by 16 premium EV A-grade cells. Delivers 4,000+ cycles at 100% DOD and 6,000+ at 80% DOD. Provides a 12+ year design life, lasting 10x longer than lead-acid equivalents.All-Weather IP65 Protection: Ready for the elements. The powder-coated steel housing is rated IP65 waterproof and dustproof. Operates reliably from -4°F to 149°F, handling rain, mud, and rough terrain with confidence.Exceptional KeepKnow Service: Drive with peace of mind. Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

Ultimate 36V Golf Cart Upgrade (38.4V 100Ah): Revitalize your 36V cart. This 38.4V 100Ah lithium battery packs 3840Wh of energy, offering significantly longer range and runtime than traditional lead-acid setups. Perfect for Club Car, EZGO, and Yamaha 36V models.Hill-Crushing Torque (200A Continuous): Experience zero voltage sag on hills. Equipped with a robust 200A BMS, it delivers up to 7.6kW of continuous power and a massive 600A surge (10s), ensuring rapid acceleration and powerful climbing ability.Dual Smart Control (Touchscreen + Bluetooth): Stay informed while you drive. Features a dashboard-ready LCD Touchscreen and built-in Bluetooth. Check your remaining range, voltage, and battery health instantly via the screen or the KeepKnow App.Lightweight & Agile Performance: Speed up your game. Weighing just 59.52 lbs (27kg), it slashes ~300 lbs off your cart compared to heavy lead-acid batteries, reducing tire wear and boosting top speed and agility.Fast Charging Bundle (Charger Included): Includes a specialized 25A LiFePO4 charger for plug-and-play convenience. Supports fast charging to get you back on the course 10x faster than old AGM batteries.Rugged IP65 ABS Casing: Engineered for the outdoors. The military-grade, flame-retardant ABS case is IP65 waterproof and shockproof, specifically designed to withstand the bumps and vibrations of golf course terrain.All-Weather Reliability: Drive in any season. Operates safely from -4°F to 149°F with intelligent low/high-temperature cut-offs. The smart BMS actively prevents over-discharge, over-current, and short circuits.Exceptional KeepKnow Service: Drive with peace of mind. Backed by a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

Essential 48V Golf Cart Power (51.2V 100Ah): The perfect balance of power and range. Providing 5.12kWh of reliable energy, this 51.2V 100Ah battery rejuvenates your cart with consistent speed and extended runtime, replacing extended heavy lead-acid setups effortlessly.DC-DC Step Down Converter: This 48–90V to 13V DC power converter adopts synchronous rectification technology, achieving over 90% high conversion efficiency for energy-saving and stable operation. It accepts 48–90V wide DC input and is perfectly matched for 48V golf carts.200A High-Output Performance: Don't settle for weak acceleration. Equipped with a premium 200A BMS, it delivers up to 10.24kW of continuous power and a massive 400A surge (30s), ensuring you have the torque to conquer steep hills and heavy loads.Dual Smart Interface (Touchscreen + App): Complete control in your hands. Comes with a dashboard-mountable LCD Touchscreen and Bluetooth 5.0. Monitor real-time SOC, voltage, and health, or use the App to remotely manage discharge for added security.Lightweight Drop-in Design: Save weight, gain speed. Measuring 20.47 in × 10.51 in × 8.66 in inches and weighing 77.6 lbs (35.2kg), it is roughly 1/3 the weight of a comparable lead-acid bank, significantly reducing vehicle drag and tire wear.Charger Included for Easy Setup: Ready to go out of the box. Includes a dedicated 58.4V 18A LiFePO4 charger that communicates perfectly with the battery. Supports safe charging from 14°F to 149°F with automatic low-temp cut-off protection.Rugged IP65 & Shockproof Casing: Built for the course. The durable, flame-retardant ABS plastic housing is rated IP65 waterproof and military-grade shockproof, designed to withstand the vibrations and impacts of daily driving.Long-Lasting LiFePO4 Durability: Drive for a decade. Features EV Grade-A cells that deliver 4,000+ cycles at 100% DOD (6,000+ at 80% DOD), offering 10x the lifespan of lead-acid batteries with zero maintenance required.Exceptional KeepKnow Service: Invest with confidence. We provide a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

Essential 48V Golf Cart Power (51.2V 100Ah): The perfect balance of power and range. Providing 5.12kWh of reliable energy, this 51.2V 100Ah battery rejuvenates your cart with consistent speed and extended runtime, replacing extended heavy lead-acid setups effortlessly.200A High-Output Performance: Don't settle for weak acceleration. Equipped with a premium 200A BMS, it delivers up to 10.24kW of continuous power and a massive 400A surge (30s), ensuring you have the torque to conquer steep hills and heavy loads.Dual Smart Interface (Touchscreen + App): Complete control in your hands. Comes with a dashboard-mountable LCD Touchscreen and Bluetooth 5.0. Monitor real-time SOC, voltage, and health, or use the App to remotely manage discharge for added security.Lightweight Drop-in Design: Save weight, gain speed. Measuring 20.47 in × 10.51 in × 8.66 in inches and weighing 77.6 lbs (35.2kg), it is roughly 1/3 the weight of a comparable lead-acid bank, significantly reducing vehicle drag and tire wear.Charger Included for Easy Setup: Ready to go out of the box. Includes a dedicated 58.4V 18A LiFePO4 charger that communicates perfectly with the battery. Supports safe charging from 14°F to 149°F with automatic low-temp cut-off protection.Rugged IP65 & Shockproof Casing: Built for the course. The durable, flame-retardant ABS plastic housing is rated IP65 waterproof and military-grade shockproof, designed to withstand the vibrations and impacts of daily driving.Long-Lasting LiFePO4 Durability: Drive for a decade. Features EV Grade-A cells that deliver 4,000+ cycles at 100% DOD (6,000+ at 80% DOD), offering 10x the lifespan of lead-acid batteries with zero maintenance required.Exceptional KeepKnow Service: Invest with confidence. We provide a 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

5.12kWh Scalable Power: Each 51.2V 100Ah unit delivers 5.12kWh capacity. Supports connecting up to 15 units in parallel (76.8kWh total) with a robust 100A continuous and 130A peak discharge current.Dual Safety System: Equipped with a built-in automatic fire suppression module and a Smart 100A BMS. This dual-layer design actively prevents thermal runaway, short circuits, and overcharging for maximum security.Universal Compatibility: Features CAN & RS485 ports for seamless communication with major inverters (Victron, Sol-Ark, DEYE, Growatt, etc.). Includes essential cables for immediate plug-and-play integration.Long-Life LiFePO4 Tech: Premium Grade-A cells deliver 6,000+ cycles (80% DOD) and a 12+ year design life. Offers 10x the durability of lead-acid batteries with zero maintenance required.Smart Monitoring: Monitor battery health in real-time via the built-in LCD screen or access detailed performance data remotely through the Bluetooth/WiFi Smartphone App.Robust 3U Rack Design: Compact metal housing (18.9×17.4×5.2 in) fits standard server racks. Features high-current terminals and thick #4AWG cables to prevent overheating in high-load setups.All-Weather & Flexible Charging: Reliable operation from -4°F to 140°F. Supports charging via LiFePO4 chargers, Solar panels (≥1500W), or Generators. Certified by FCC, CE, RoHS, and UN38.3.Exceptional KeepKnow Service: Enjoy peace of mind with a 5-year warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.

Massive 4kWh Powerhouse (12.8V 320Ah): Power your entire RV trip with 4096Wh of energy. Engineered for heavy loads, it supports a 3.2kW continuous output and a powerful 300A surge (30s) to easily start air conditioners and heavy appliances.Victron-Ready & Smart Connectivity: Features seamless CAN & RS485 communication, fully compatible with Victron inverters (cable included). Monitor battery health in real-time via the built-in LCD screen or the wireless Bluetooth App.Rugged Metal Case & Safety Switch: Unlike cheap plastic options, KeepKnow uses a durable metal casing for superior impact resistance and heat dissipation. Includes a convenient one-touch On/Off switch for safe storage and maintenance.8,000+ Cycles of Durability: Built with Grade-A LiFePO4 cells ensuring 8,000+ deep cycles (80% DOD) and a 10-year+ service life—lasting 10x longer than traditional lead-acid batteries.Flexible System Expansion: Customize your power bank easily. Supports connecting 2 units in series for 24V systems, or scale up to a massive 2S4P configuration (51.2V 1280Ah theoretical max) for large off-grid setups.Compact, Lightweight & Eco-Friendly: Packing huge energy into a compact size (14.2×12.2×6.3 in) and weighing just 70.1 lbs (approx. 31.8 kg), it saves valuable space and weight in your vehicle while providing green, maintenance-free energy.Exceptional Service & 5-Year Warranty: Drive with confidence backed by KeepKnow’s 5-Year Warranty, lifetime technical support, fast delivery, and responsive 24/7 customer service.