WattCycle 12V 314Ah Mini LiFePO4 Battery 4-in-1 Smart Switch 200A BMS

Features

• 4kWh Massive Energy in a Super Mini SizeDelivers 4,019Wh (4.01kWh) of energy with 2,560W continuous output enough to power your RV, home, or off-grid life for over a day. 60% the volume and 66% lighter than lead-acid batteries (only 60.41 lbs), achieving 200% energy in 60% volume.
• 4-in-1 Smart Switch with App ControlIntegrates one-key start/stop (App-supported), emergency power cut-off, sleep activation, and low-consumption standby. The Bluetooth App allows remote battery control and monitoring perfect for beginners.
• 3A Active Balancer + 6,000+ CyclesAutomotive-grade prismatic LiFePO cells with precise 3A active balancing keep cell voltage differences within 0.01V, extending lifespan by 50%. Rated for 6,000+ cycles at 80% DOD, providing over 15 years of high performance.
• Powerful 200A BMS & Expandable DesignBuilt-in 200A BMS supports 220A peak discharge (10 seconds), easily running ACs and microwaves with 20+ safety protections. Expandable to 4S4P for larger energy needs ideal for big RVs, villas, or industrial backup.
• Military-Grade Durability + DIY ServiceableIP65 waterproof, metal bracket, organized wiring, and foam insulation ensure stable operation from -4 to 140. The 180L quick-demountable casing lets you easily swap out cells and parts yourself.