This listing is for a genuine K2 Energy 12V Lithium Iron Phosphate (LiFePO4 / LFP) battery. The battery was never placed into service and has only been stored indoors. It was recently load tested and confirmed fully functional.

K2 Energy batteries are industrial-grade units designed for long cycle life, excellent thermal stability, and improved safety compared to traditional lithium-ion chemistries.

The battery is in excellent physical condition with no swelling, cracks, or corrosion. Terminals are clean and clearly marked. Please review all photos for exact condition.

Specifications:

Brand: K2 Energy

Manufacturer: K2 Energy Solutions, Inc.

Chemistry: Lithium Iron Phosphate (LiFePO4 / LFP)

Nominal Voltage: 12V (12.8V class)

Capacity: ~20Ah (≈256Wh nominal)

Model / Part Number: K2B12V1EB

Weight: ~7 lb (approximate)

Terminals: Bolt-on (+ / – marked)

BMS: Integrated battery management system (typical for K2 Energy modules)

Testing:

Load tested

Holds voltage under load

Verified working

Applications:
Suitable for energy storage, backup power, solar/off-grid systems, industrial electronics, and custom battery applications. Buyer is responsible for confirming compatibility with their system.

What’s Included:
One (1) K2 Energy 12V LiFePO4 battery only.
No charger, cables, or accessories included unless shown in photos.

Battery will be packaged securely and shipped in compliance with lithium battery shipping requirements.