20 results found for “12v*”

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: Take control with the KeepKnow App. Monitor voltage, current, remaining capacity, and battery health in real-time directly from your smartphone—eliminating the need for external battery monitors. 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: Automatically turns on heating below 32°F (0°C) for safe charging in cold weather, stops heating above 37.4°F (3°C). Perfect for RVs, boats, solar energy and off‑grid power in low‑temperature 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: Take control with the KeepKnow App. Monitor voltage, current, remaining capacity, and battery health in real-time directly from your smartphone—eliminating the need for external battery monitors. 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 (10.42 × 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: Supports 100A continuous and 300A peak discharge for 5S short bursts. 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: High/low temp protection ensures stable performance from -4°F to 149°F, perfect for RVs, boats, solar & off‑grid use. 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.                  

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 500A surge (10s) 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 69.5 lbs (approx. 31.5 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.

Intelligent low-temp heating system: The battery warms automatically below 0°C to prevent cold damage and charging issues. Heating stops above 15°C or during use, saving energy. Works with ≥7A charger to deliver stable, safe power in freezing conditions. Compact and Lightweight: Group 24 size (10.42 × 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: Supports 100A continuous and 300A peak discharge for 5S short bursts. 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: High/low temp protection ensures stable performance from -4°F to 149°F, perfect for RVs, boats, solar & off‑grid use. 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.