New Arrivals

KeepKnow Introduces the Extra Mini Lithium Battery That Redefines Portable Power Compact Design: Mini size (8.9×5.4×8.2 in),weighing just 19.8lbs for easy carrying and installation. Intelligent Protection: Built-in 100A smart BMS with full protection, auto-disconnect under 10V, and auto-recovery in 30s. Powerful Output: Supports 100A continuous and 300A peak discharge for 5S short bursts. Reliable Output: 1,280Wh capacity with 1,280W output for reliable, long-lasting performance across applications. Expandable System: Connect up to 16 batteries in a 4P4S configuration for up to 20.48kWh. Bluetooth Smart Monitoring: Real-time battery monitoring via Bluetooth 5.0 for voltage, current, SOC, and temperature. Premium Lithium Cells: EV Grade-A LiFePO4 cells deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. 3 charging methods: LiFePO4 charger (14.6V 20A recommended), solar with controller and alternator or generator. Reliable in Any Condition: Low-temperature protection with rugged IP65 triple-proof casing. Versatile Applications: Ideal for RVs, vans, and trolling motors where weight and size matter most. 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.

Compact Design: The compact rack-size design (18.9 × 17.4 × 5.2 in) makes it ideal for space-limited setups, while the durable metal housing ensures long-lasting protection. Lightweight and Space-Saving: Weighing only 48.3 kg (106.5 lb), this battery is 80% lighter than eight 12V lead-acid batteries and 70% smaller, while delivering the same energy with lower maintenance. High-Capacity & Powerful Performance: The high-capacity design supports up to 15 batteries in parallel, delivering a total capacity of up to 76.8kWh. With powerful performance, it offers a maximum continuous charge/discharge current of 100A and a peak current of 130A (2s). Smart BMS Protection: Built-in 100A BMS provides protection against overcharge, over-discharge, overheating, and short circuits, with automatic cut-off below 41.6V and safeguards in low-temperature conditions. Smart Fire Prevention: Equipped with an intelligent built-in fire suppression system, the battery automatically activates in case of overheating, short circuits, or other abnormal conditions, effectively stopping fires and ensuring stable operation of equipment and base stations. 3 charging methods: LiFePO4 charger (58.4V 50A, about 2 hours), solar panel (≥1500W, 1 sunny day), and generator (58.4V 50A AC-DC charger, about 2 hours). Long Lifespan: Deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. and 12 years of reliable use, 10× longer than lead-acid batteries. Real-Time Performance Tracking: Monitor your battery in real time with the built-in LCD screen, or gain deeper performance and health insights through Bluetooth and WiFi wireless monitoring via a smartphone app. Multi-brand Inverter Communication: Supports multi-brand inverter communication, compatible with Victron, Pylontech, Luxpower, Sol-Ark, DEYE, Growatt, GoodWe, and more, featuring CAN and RS485 ports and including a communication cable for easy integration. Plug and Play: Built-in quick-connect terminals, and anti-reverse plugs for tool-free press-to-lock setup. Thick #4AWG cables can handle high currents, reducing the risk of overload, melting, or fire caused by thin wires. Multiple Installation Options: Plug-in installation in 3U standard server racks or flexible deployment using our included stacking brackets for easy setup. Wide Range of Applications: Widely used in 3U Server RackMount, off-grid, home storage, solar system,and Rv. it is a great replacement for lead-acid battery. Trusted Safety Certifications: Fully compliant with FCC, CE, RoHS, and UN38.3. All-Weather Performance: Operates reliably from -4°F to 140°F for various applications. Maintenance-Free & Eco-Friendly: KeepKnow provides effortless and eco-conscious energy storage. Unexceptional Service: Fast delivery; 24-hour online service; Lifetime technical support; 5-year warranty.

Compact & Powerful: Measuring 20.5 × 9.4 × 8.6 in and weighing just 92.6 lbs (42kg), this battery offers high energy capacity, making it ideal for expanding storage without occupying extra space. High Power: Delivers 5.12kWh and up to 10.24kW with 200A continuous discharge, plus 650A peak discharge for 10S short bursts. Fast & Safe Charging: Includes a 18A LiFePO₄ charger for rapid charging. Charging automatically stops below 0°C or above 60°C, ensuring safe operation within -20°C to 60°C. 10x Efficient Charging & 2x Runtime: With a maximum charging current of 1C, charging time is reduced by 10× compared to AGM batteries (typical charging current: 0.1C). Smart Control: Real-time monitoring via Bluetooth and LCD touchscreen. Check SOC, voltage, current, temperature, and health. Remotely control discharge or trigger emergency shutdown for added safety. Intelligent Protection: Built-in 200A smart BMS with full protection, auto-disconnect under 40V, and auto-recovery in 30s. Long Lifespan: Deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. and 12 years of reliable use, 10× longer than lead-acid batteries . Wide application: An ideal choice for golf carts, floor sweepers, tour buses, ATVs, and UV-protection vehicles. Built for Tough Conditions: Waterproof (IP65), shockproof, and flame-retardant ABS casing. Trusted Compliance: Meets FCC, CE, RoHS, and UN38.3 requirements. Wide Operating Range: Reliable performance from -4°F to 140°F, ideal for RVs, boats, solar, and off-grid applications. 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.

Compact & Durable Design: Rugged SPCC steel casing (17.0 × 13.1 × 9.0 in) with IP65 protection and vibration resistance, weighing just 89.9 lbs (40.8 kg) for easy installation. Fast & Safe Charging: Includes a 43.8V 25A LiFePO₄ charger for rapid charging. Charging automatically stops below 0°C or above 60°C, ensuring safe operation within -20°C to 60°C. High-Performance Battery: 16 EV A-grade cells deliver 4.032 kWh, 7.68 kW, with 3× the energy density of lead-acid batteries and low self-discharge. Powerful Performance: Supports continuous charging/discharging current of 200A, with peak performance handling 650A for 10s. Smart Monitoring: Enables real-time monitoring via Bluetooth and LCD touchscreen to check SOC, voltage, current, temperature, and health, with remote discharge control and emergency shutdown for enhanced safety. Intelligent Protection: Built-in 200A smart BMS with full protection, auto-disconnect under 30V, and auto-recovery in 30s. Relay Protection System: Featuring a robust mechanical relay switch, it is safe and reliable, can withstand high current impacts, and is easy to maintain. Low-Temp Cut-Off: Intelligently designed to disable charging at 0℃/32°F and discharging at -20℃/-4°F, safeguarding your battery in extreme conditions. Long Lifespan: Deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. and 12 years of reliable use, 10× longer than lead-acid batteries. Smart & Reliable: Equipped with smart LED control (RS485/SWITCH), it ensures easy operation while delivering reliable power where space is limited. Durable Metal Case: Durable metal casing offers superior heat dissipation and impact resistance compared to plastic. Universal Compatibility: Fits Club Car, EZGO, Yamaha, and most 36V golf carts seamlessly. 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.

Compact & Durable Design: Rugged SPCC steel casing (20.0 × 13.1 × 9.2 in) with IP65 protection and vibration resistance, weighing just 113.5 lbs (51.5 kg) for easy installation. High-Performance Battery: 16 EV A-grade cells deliver 5.376 kWh, 10.24 kW, with 3× the energy density of lead-acid batteries and low self-discharge. Relay Protection System: Featuring a robust mechanical relay switch, it is safe and reliable, can withstand high current impacts, and is easy to maintain. Powerful Performance: Features a robust 2C discharge rate, delivering 200A continuous current and 650A surge current for 10-second bursts. Fast & Safe Charging: Includes a 58.4V 22A LiFePO₄ charger for rapid charging. Charging automatically stops below 0°C or above 60°C, ensuring safe operation within -20°C to 60°C. Dual Balancing Modes: Provides charge balancing and static balancing (resistive discharge) modes to improve balancing efficiency and protect each battery string. Smart Control: Real-time monitoring via Bluetooth and LCD display. Check SOC, voltage, current, temperature, and health. Remotely control discharge or trigger emergency shutdown for added safety. Intelligent Protection: Built-in 200A smart BMS with full protection, auto-disconnect under 40V, and auto-recovery in 30s. Low-Temp Cut-Off: Intelligently designed to disable charging at 0℃/32°F and discharging at -20℃/-4°F, safeguarding your battery in extreme conditions. Long Lifespan: Deliver 4,000+ cycles at 100% DOD and 6,000+ cycles at 80% DOD. and 12 years of reliable use, 10× longer than lead-acid batteries. Smart & Reliable: Equipped with smart LED control (RS485/SWITCH), it ensures easy operation while delivering reliable power where space is limited. Durable Metal Case: Durable metal casing offers superior heat dissipation and impact resistance compared to plastic. 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.

Compact Size Design: Measures 13.6 × 7.5 × 9.6 in, weighs 57.5lbs (26.1kg), 1/3 the weight of lead-acid batteries, with up to 4096Wh capacity for easy portability and installation. Scalable System: Configurable up to 4S4P to build a 48V 1280Ah system with up to 65.54kWh energy and 40.96kW load power. High Discharge Capability: Supports up to 200A continuous discharge and 650A peak discharge for 3S short bursts, ideal for off-grid, solar, and outdoor power systems. Bluetooth APP Monitoring: Built-in Bluetooth 5.0 allows real-time monitoring via app, letting you check battery voltage, current, capacity, and other key information anytime. Smart BMS Protection: 200A BMS safeguards against overcharge, over-discharge, overcurrent, and short circuits, with temperature cut-offs at 32℉ (0℃) and 140℉ (60℃) for safe and reliable operation. 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. Powerful Output: Supports 200A continuous and 650A peak discharge for 3S short bursts. Rugged Protection: IP65 waterproof, military-grade shock resistance, and flame-retardant ABS case. All-Weather Performance: Operates reliably from -4°F to 140°F for various 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.