When compared to traditional lead acid batteries...


lighter weight


more efficient


longer lifespan


higher charging efficiency



Compatible with K2B12V7, K2B12V10, K2B12V19,K212VG27-3

Terminal Options

2 Pin SAE Plug, Alligator Clips, and Pigtails

Testing and Compliance

CE | UL | FCC | RoHS | PSE

AC Input

Voltage: 50/50Hz 100-240VAC | Current: 1.8A


LxWxH - 5.5 in. (140mm) x 2.4 in (62mm) x 1.8 in (35mm)

Operating Temperature

32°F to 104°F (0°C to 40°C)


Voltage: DC 14.6V | Output Load 4.0 A Max

Safety In Mind

Short Circuit Protection, Over Current Protection, Reverse Polarity and Auto Recovery

Added Benefits

Compact, lightweight and charging LED indicator light

Frequently Asked Questions


Unbelievably light weight. Will be perfect for running my QRP rig from the field. Amazing technology. Would recommend to anyone.

John T.

Love this battery. Maintenance free and SAFE! I use mine for storing solar energy for DC powered projects and applications.


A lightweight and long-lasting battery

Jeff Tang

12 days ago

These K2 batteries are perfect. They work exactly as advertised and the run time is a little longer than I had expected.

David O.

Cutting edge technology and impeccable customer service. Highly recommended!

Derk Hebdon

Verified customer

What Makes Us Different

Free Shipping

on all order over $150

Pioneering LFP Innovation

for over 16 years

Designed & Developed in the USA

and proud of it