12V 300Ah LiFePO4 Battery for RV Solar Off-Grid Use

Upgrade your energy storage with the NewtiPower 12V 300Ah LiFePO4 Lithium Battery — designed with high energy density and real 100% usable capacity. Built using advanced Grade A lithium cells and intelligent BMS protection, this lightweight, compact battery is perfect for RVs, golf carts, off-grid solar setups, marine use, and more. Delivering over 10,000 charge cycles and weighing just 56 lbs, it's the smart choice for long-lasting, maintenance-free power wherever you need it. Backed by a 10-year warranty, NewtiPower brings reliability and innovation to your energy system.

Key Features:

• Smaller Volume, Higher Capacity: Compact size (13.7" x 7.6" x 9.8") with unbeatable 300Ah output
• True 100% Capacity: Delivers full 300Ah usable power — no hidden limits
• Built-in 250A BMS: Protects against overcharge, overdischarge, overheating & short circuit
• Ultra-Lightweight & Portable: Only 56 lbs — half the weight of lead-acid equivalents
• Wide Compatibility: Ideal for solar, RV, golf carts, marine, camping, trailers, and more
• Extended Cycle Life: 10,000+ cycles and a 10-year service life

Specifications:

• Model: 12V 300Ah LiFePO4
• Voltage: 12 Volts DC
• Battery Cell Composition: Lithium Iron Phosphate (LiFePO4)
• BMS Rating: 250A built-in
• Weight: 56 lbs
• Dimensions: 13.58" W x 7.48" D x 9.46" H
• Terminal Type: M8
• UPC: 762715565891
• Vehicle Service Type: Golf Cart, Boat, Van, Personal Watercraft, Bus

NewtiPower’s 12V 300Ah LiFePO4 battery delivers compact, high-density power with 10,000+ cycles and smart protection via a 250A BMS. Designed for long-term, maintenance-free use in solar setups, campers, marine applications, and off-grid power systems. Reliable, lightweight, and built to last, it’s your ultimate battery upgrade for dependable energy on the go.