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K2 Off-grid Home Power Kits

Introducing the LFP battery for home energy storage – a reliable and innovative solution to bring power to your door! This well designed and robust standard LFP battery pack is the perfect way to store power in a small, easy-to-install package. No maintenance required! Plus, it can be installed in parallel with other batteries to increase capacity – ideal for residential applications, small commercial/industrial energy storage system and Telecom stations. Invest today in the powerful yet efficient LFP battery pack designed to offer great value and safe, long-lasting performance!




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Control Your Power

We believe you should have control over your own energy. That’s why we create products that let you make your own power, so you can stay connected to the things you love

Ready for peace of mind? 

Choose the LFP battery for home energy storage – there’s never been an easier or more creative way to make sure you have reliable energy on tap!





How long will your battery last?

It depends on how you use it and the level of care you show it. We still have functional batteries that are 7 to 10 years old with at least 80% of their original capacity at K2.

What warranty does the battery have?

Our 1-year manufacturing warranty covers defective workmanship and materials. Depending on use, K2 batteries typically last up to 5-7 years with proper care.

How do I charge the battery?

Use chargers designed for Lithium Iron Phosphate batteries. For 12V batteries, charge to 14.4V and for 24V batteries, charge to 28.8V for best results.

What charger should I use?

K2 has two small chargers that can be used: K2C12V4A charger for 12V batteries and our K2C24V2A charger for 24V batteries. K2 will be introducing new chargers in the near future with higher charging current capabilities.

What is the temperature range for the battery?

Discharge–20 C to 60 C (-4 F to 140F)

Charge at 0 C to 55 C (32 F to 131 F)

How often do I need to charge the battery?

Charge it as soon as you receive it and after every use, especially if it is discharged until empty.

How can I get a data sheet for the battery?

Reach out to our customer support team at or give them a call at 702.478.3590.

What certifications does the battery have?

UNDOT 38.3. Check the data sheet for additional certifications.

Are your batteries waterproof?

No, splash resistant for most. Some can endure brief immersion in less than 1 meter of water, check the data sheet for additional information.

How should
I store my battery?

In a relatively cool dry place, fully charged for best results.

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