【Space-Saving & High Energy Density】The Dyness Mini 12.8V 340Ah lithium battery features a compact size of just 15.08 x 7.64 x 9.64 inches (0.64 cubic feet) and weighs 59.08 pounds. It delivers 4352Wh of usable capacity—exceeding the combined capacity of three 12V 100Ah batteries in parallel. Compared to traditional solutions, it occupies 50% less space and reduces parallel wiring requirements, making it ideal for extended power supply needs during RV travel.

【Max. 4352Wh Usable Energy】Dyness LiFePO4 battery built-in high energy density A+ grade battery cell, which delivers Max. 4352Wh usable energy, exceptional longevity and higher safety. With: ①10-Year Lifespan: Lasts up to 6X longer than standard lead-acid batteries.②Superior Energy Density: Packs 3-5X more power in the same space vs. traditional batteries.③Rigorous Safety Assurance: Independently tested and certified to global standards including FCC, CE, RoHS, and UN38.3 for reliable operation

【Max. 2560W Output Power with 200A BMS】Dyness 12.8 Volt 340Ah Lifepo4 battery equipped with latest 200A Battery Management System, delivering a maximum continuous current of 200A to effortlessly handle high-power appliances. Dyness's 200A BMS provide 20+ protections to safeguard the battery from impacts of overcharge, over-discharge, over-current, overheating, low temperature and short circuits.

【Low-Temp Charging Protection】Don't let winter kill your battery! Dyness 12V lithium Battery with low temperature charging protection feature, automatically disconnects charging when the LiFePO4 Battery's temperature drops below 32°F (0°C), with charging resuming at 41°F (5°C). Additionally, it automatically cuts off power at -4°F (-20°C) to further safeguard the battery. This means: ✅ No more cold-weather damage during charging ✅ Extended battery lifespan – season after season ✅ True peace of mind in RVs, cabins, or off-grid setups

【Max. 69.63kWh Energy Storage】Dyness 12.8V 340Ah lithium battery can be expanded to 4S4P with 16 batteries, forming a 69.63kWh energy storage system. By employing different battery series and parallel configurations, power demands across various scenarios can be met. Perfect for rv camping, home energy storage, off-grid, solar system, trolling motor, fishing

【After-Sales Service】Dyness provide professional technical support and online customer service with fast response within 24 hours. If you have any product-related issues or questions, don't hesitate to contact us directly, the Dyness support team is always here for you