Customizable 12V 300Ah Long-Life LFP Rechargeable Portable Battery Pack

Premium LiFePO4 Technology
– Built with high-grade lithium iron phosphate cells for exceptional thermal stability, 4000+ deep cycles, and zero risk of thermal runaway. Ideal for continuous heavy-duty use.
Ultra-High Capacity & Efficiency
– Delivers 300Ah reliable power with 95% discharge depth, ensuring extended runtime for off-grid solar systems, RVs, marine applications, and emergency backup.
Smart Customization Options
– Tailor battery configurations (parallel/series) to fit specific voltage needs. Includes pre-drilled mounting points and reinforced ABS casing for effortless installation.
Advanced BMS Protection
– Integrated Battery Management System safeguards against overcharge, short-circuit, and extreme temperatures (-20°C to 60°C), maximizing lifespan and safety.
Portable & Durable Design
– Lightweight yet rugged construction with IP65-rated shockproof housing. Perfect for mobile energy solutions in remote or harsh environments.
Fast Charging & Low Self-Discharge
– Supports rapid solar/AC charging (0-100% in 3 hours) with <3% monthly self-discharge rate, ensuring ready-to-use power anytime.
Global Compliance Certified
– Meets CE, RoHS, and UN38.3 standards. Hassle-free shipping worldwide with wholesale pricing for bulk orders.
Seamless Integration
– Compatible with major solar inverters, RV converters, and trolling motors. Includes pre-installed M8 terminals for quick setup.
Eco-Friendly & Maintenance-Free
– Zero emissions, no acid leaks, and no periodic watering. A sustainable upgrade from lead-acid batteries.
Trusted Bulk Supplier
– Factory-direct pricing, 24/7 technical support, and 10-year perfo