EU STOCK 12V 280AH/314AH/320AH DIY BOX + Cells Bundle Free Shipping

$222.00 USD

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Battery Cells Option 12V DIY BOX ONLY (NO CELLS) 4PCS CATL 280AH 4PCS ENVISION 314AH 4PCS EVE 314AH

EU STOCK 12V 280AH/314AH/320AH DIY BOX + Cells Bundle Free Shipping

Build Your Own High-Performance Lithium Battery — Engineered for Reliability

The 12V 280Ah LiFePO4 DIY Battery Kit delivers 3.36kWh of clean, stable energy storage in a modular, build-it-yourself format. Designed for off-grid solar systems, RVs, marine applications, and backup power, this kit gives you full control over your build while using the same grade A prismatic cells trusted by professional installers worldwide.

If you need the cells also available, assemble is easier.

Key Specifications

Parameter	Value
Nominal Voltage	12.8V (4S configuration)
Capacity	280Ah
Energy	3.584 kWh
Cell Chemistry	LiFePO4 (Lithium Iron Phosphate)
Cycle Life	≥ 4,000 cycles @ 80% DoD
Max Continuous Discharge	200A
Peak Discharge (30s)	400A
Charge Voltage	14.6V
Operating Temperature	-20°C ~ 60°C (discharge) / 0°C ~ 45°C (charge)
Cell Format	Prismatic, aluminum case
Self-Discharge Rate	< 3% per month
BMS Protection	Overcharge, over-discharge, overcurrent, short circuit, temperature

Why Choose This Kit?

✦ Grade A Cells, Zero Compromise Every cell is tested and matched within ±2mAh capacity tolerance — no B-grade or recycled cells. Consistent internal resistance ensures balanced performance across the pack.

✦ Smart BMS Included The integrated 200A BMS actively balances cells during charge cycles and protects against all critical fault conditions, extending pack longevity and ensuring safe operation.

✦ Drop-In Replacement Ready Fully compatible with standard 12V lead-acid battery footprints. Works seamlessly with most solar charge controllers (MPPT/PWM), inverters, and chargers supporting LiFePO4 profiles.

✦ Scalable & Expandable Connect multiple packs in parallel to scale capacity — 560Ah, 840Ah, and beyond — without additional configuration complexity.

✦ Built to Last LiFePO4 chemistry offers superior thermal stability, no memory effect, and a service life of 10+ years under normal cycling conditions.