WERCHTAY 12.8V Lifepo4 Battery 300/200/100Ah, Equipped with A+ Grade Battery Cells, 25000+ Deep Cycles, Intelligent BMS Overcharge/Overdischarge Protection, for Home Energy Storage, Outdoor Rvs, Off-Grid Solar Applications

Crafted with premium A+ grade battery cells, it delivers 25,000 charge-discharge cycles at 85% depth of discharge, significantly outperforming traditional batteries with superior long-term durability. Certified to SDS/UN38.3/FCC/ROHS standards, ensuring quality and safety.

Features an integrated 120A professional BMS protection board with a comprehensive intelligent safety system: automatically cuts off the circuit during excessive discharge currents to effectively mitigate safety risks; simultaneously supports precise cell voltage balancing to continuously maintain optimal battery pack performance, ensuring worry-free usage.

Featuring a lightweight lithium battery design, the unit weighs just 18.94 pounds—approximately one-third of traditional batteries—significantly enhancing portability. With a 1280Wh capacity and 22% higher energy density than conventional products, it achieves dual breakthroughs in lightweight construction and high energy output.

Supports flexible multi-module configurations, allowing up to 4 cells in series + 4 sets in parallel. Expanded capacity reaches a maximum output of 20.48kWh, enabling customizable scaling to meet diverse high-capacity power demands across various scenarios.

It perfectly integrates with solar panels rated at 200W or higher and is compatible with 30A MPPT controllers. Under ample sunlight conditions (average daily effective sunlight ≥6 hours), it achieves full recharge. Simultaneously, it supports networked operation with solar panels, controllers, and inverters, efficiently converting 12V DC to 220V AC to reliably power various appliances across all usage scenarios.