12V 50Ah Lithium Iron Phosphate Battery
12V 50Ah Lithium Iron Phosphate Battery
12V 50Ah Lithium Iron Phosphate Battery
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12V 50Ah Lithium Iron Phosphate Battery

$700.00 USD$999.00 USD
This reliable and rugged battery pack has been engineered to provide best in class energy delivery and safety. This U1 style battery delivers 12 volts of energy while housing top-tiered battery cells and an advanced battery management system with a built-in power switch. This powerful lithium battery offers superior performance and more energy at a fraction of the weight of its lead-acid battery counterparts.
5 Year Warranty
Superior Power Output
Free Shipping
U.S. Based Customer Service
When compared to traditional lead acid batteries...

50%

lighter weight

200%

more efficient

4x

longer lifespan

98%

higher charging efficiency

Specifications

Manufacturer Warranty

5-year manufacturing warranty covers defective workmanship and materials.

Terminals

Internal thread terminals for maximum compatibility

Operating Temperature

-4°F to 140°F (-20°C to 60°C) - Far exceeding the safe operating range of traditional lead acid batteries

Storage Capacity

11.25 Ah (amp hours). K2 Energy's batteries deliver a steady power output over the entire span of 11.25 amp hours

Dimensions

LxWxH - 7.8 in. (197mm) x 5.2 in (132mm) x 6.8 in (173mm)

Discharge

11.2 amp recommended continuous load current, 25 amp max continues load current, and 40 amp max pulse discharge.

Voltage

12.8V

Safety In Mind

High Resistance, thermal runaway, and built-in protection circuits

Series & Parallel

Wiring In Series: Max 4 Packs
Wiring In Parallel: No Limit

Weight

2.87 lbs (1.3 Kg) - More than 50% lighter than comparable lead acid batteries

Added Benefits

Environmentally friendly chemistry and unmatched safety

Frequently Asked Questions

Testimonials

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.

Wizworks

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