About This

【Smart Bluetooth 5.0 Monitoring】 The HumsiENK 12V 300Ah LiFePO4 Battery features real-time Bluetooth APP monitoring (up to 15m range), allowing you to track voltage, current, capacity, and more. The Humienk app is constantly being updated and and it is available to download from the App Store for iOS and Android devices. We are constantly upgrading the Bluetooth app to enhance user experience.
【High Capacity & Long Lifespan】 With 3.84kWh (3840Wh) energy storage and 15,000+ deep cycles, this lithium battery lasts 10+ years—30x longer than lead-acid batteries. Its A+ EV-grade cells ensure reliability and safety.
【Built-in 100A BMS & Robust Protection】 Equipped with an upgraded 100A Battery Management System (BMS), it safeguards against overcharge, over-discharge, short-circuit, and overheating (cuts off at 145°F/65°C). Low-temperature protection prevents charging in freezing conditions.
【Lightweight & Space-Saving】 At only 59.52 lbs, it’s 40% lighter than lead-acid yet delivers 2x usable power. Compact dimensions (20.63×9.65×8.66 inches) make it ideal for RVs, boats, and tight spaces.
【Scalable Up to 61.44kWh】 Connect 4S4P for a 51.2V 1200Ah system (61.44kWh), perfect for solar storage, off-grid setups, and high-demand backup power.
【Wide Applications】 Perfect for: RV/Camper, Marine/Trolling Motors, Solar Energy Storage, Off-Grid Power, Home Backup/UPS. Includes 5-year coverage and 24/7 customer service. A safer, smarter, and longer-lasting alternative to lead-acid batteries!