12V 300Ah LiFePO4 Battery Built-in 200A BMS 2026Upgraded Mini Size 15000+ Deep Cycles Lithium Battery with Low-Temp Protection for RV Marine Solar Off-Grid Home Backup (Compact & Lightweigh

- 【Why Choose Us】MEYULMOL provides you with 12V lifepo4 batteries manufactured using certified automotive-grade A-class cells, featuring higher energy density, more stable performance, and greater power. With a commitment to a 10-year lifespan and over 5000 deep cycles, it also offers 24-hour rapid-response technical support and online customer service, ready to assist you with any product-related issues at any time. - 【10+ Year Lifespan】This 300ah lifepo4 battery is equipped with high-energy-density Grade A cells for extended runtime. It delivers over 4000 charge cycles (up to 10000+ cycles) and a service life exceeding 10 years?far surpassing lead-acid batteries (200-500 cycles/3-year lifespan) while providing 2000-3000 more cycles than comparable LiFePO4 batteries. Performance is continuously upgraded! - 【Upgraded 200A intelligent BMS】Our 12V 300Ah LiFePO4 battery comes with an integrated 200A Smart BMS, delivering robust and reliable power. It features comprehensive protection against overcharge, over-discharge, overcurrent, and short circuits. With a precise 0°C (32°F) low-temperature cutoff, it prevents harmful lithium plating in freezing conditions. Packed with massive 300Ah capacity and intelligent safeguards, this battery lets you power every appliance with confidence and fully embrace your adventures. - 【4S4P Flexible Expansion】Designed with a standardized form, this 12V 300Ah lithium battery weighs only 1/3 of comparable lead-acid models! Supporting 4S4P parallel expansion, you can start with a single unit and add more as needed?easily building up to a 48V / 1200Ah high-capacity energy storage system. Ideal for solar farms and industrial mobile power stations, it empowers your RV, boat, camper, or off-grid cabin to smoothly adapt to growing energy demands. - 【All-Weather Safety Protection】 Built-in intelligent low-temperature protection automatically pauses discharge below -4°F and resumes charging above 32°F, ensuring reliable startups on icy mornings or hot summer afternoons. Seven layers of intelligent safeguards: BMS rigorously defends against overcharging, over-discharging, overcurrent, short circuits, and high temperatures. - 【Zero-Maintenance Power】Engineered for relentless performance, this rugged LiFePO4 battery operates flawlessly from -20°C to 70°C (-4°F to 158°F) and features an ultra-low <3% monthly self-discharge rate. Delivering reliable power the moment you need it, it requires zero maintenance whether you’re scaling mountains, crossing deserts, or weathering storms?your ultimate power partner for off-grid adventures and critical backup.

Product description