Renogy 12V 300Ah Core Series Deep Cycle Lithium Iron Phosphate Battery w/Self-Heating

Overview & Function

The Renogy 300Ah Core Series lithium iron phosphate battery delivers deep-cycle storage for RV, marine, and off-grid systems. Its self-heating design supports reliable charging in cold climates where conventional lithium batteries require protection. As a lead-acid upgrade, it provides greater usable capacity and dependable cycling. ### Fitment & Compatibility This 12V battery fits RV coaches, travel trailers, boats, vans, and cabins upgrading from flooded or AGM lead-acid banks. It pairs with Renogy-compatible chargers, inverters, and solar controllers programmed for LiFePO4 profiles. Verify dimensions, cabling, and charge settings before replacing existing batteries. ### Technical Construction & Specifications This OEM Renogy battery uses lithium iron phosphate chemistry in a 300Ah Core Series deep-cycle format. The integrated self-heating function enables cold-weather charging readiness without external heaters. Construction is optimized for deep discharge cycling, stable voltage delivery, and long service life in mobile applications. ### Installation & Maintenance Guidelines Install in a ventilated secured compartment with correct polarity and fused cabling sized for inverter loads. Program chargers to LiFePO4 parameters and register the warranty after purchase. Inspect terminals seasonally, maintain partial charge during storage, and consult a qualified installer for multi-battery or high-current system integration.