Batteries and Battery Packs

We sell a wide variety of batteries and battery packs from single AA batteries to 24V (20 Cell) 10000mAHr batteries. We carry NiMH (they do not have the memory issues common with NiCad battery packs). We also carry Sealed Lead Acid (SLA) batteries, LiFePO4 K2 Batteries, and Li-Ion Battery packs.

Of course we sell transformers to charge your batteries along with an automatic battery tenders that will monitor your batteries charging progress and stop charging when the battery reaches peak voltage. For chargers and transformers, follow this link.


Before purchasing batteries, please review our Battery Terms.


Interstate 12 Volt 55 Ah Sealed Lead Acid Battery (SLA)
Interstate 12 Volt 55 Ah Sealed Lead Acid Battery (SLA)

Interstate Batteries: Our SLA batteries are provided by Interstate Batteries, No. 1 replacement bran..

Product Code: TE-177-055

Out of stock

$265.40

Interstate 12 Volt 8 Ah Sealed Lead Acid Battery (SLA) - 0.250 Faston
Interstate 12 Volt 8 Ah Sealed Lead Acid Battery (SLA) - 0.250 Faston

Interstate Batteries: Our SLA batteries are provided by Interstate Batteries, No. 1 replacement bran..

Product Code: TE-177-008

18 In stock

$45.36

K2 12.8V LiFePO4 Battery Pack 11.1Ahr
K2 12.8V LiFePO4 Battery Pack 11.1Ahr

This is a lightweight safe LiFePO4 battery pack. It's in the same form factor as the popular 12V 7Ah..

Product Code: TE-142-012

Limit 8 per customer - Currently out of stock

$192.00

K2 25.6V LiFePO4 Battery Pack 11.1Ahr
K2 25.6V LiFePO4 Battery Pack 11.1Ahr

We have been using these batteries in our custom robots for some time now. They are much safer than ..

Product Code: TE-142-024

Limit 6 per customer - Currently out of stock

$400.00

LiPo Battery 11.1V 2200 mAh
LiPo Battery 11.1V 2200 mAh

Note: These batteries do not have low voltage protection circuits. LiPo batteries should never be di..

Product Code: TE-226-111

15 In stock

$25.90

LiPo Battery 7.4V 2200 mAh
LiPo Battery 7.4V 2200 mAh

Note: These batteries do not have low voltage protection circuits. LiPo batteries should never be di..

Product Code: TE-226-074

3 In stock

$25.80

Polymer Li-Ion Battery 11.1V 1800 mAh
Polymer Li-Ion Battery 11.1V 1800 mAh

11.1V1800 mAh Polymer Li-Iontechnology madeby3 pcs Polymer Li-Ion cell of 3.7V 1800mAhwith PCB ..

Product Code: TE-139-111

12 In stock

$86.40

Shenzhen 12.8V LiFePO4 Battery 42Ah
Shenzhen 12.8V LiFePO4 Battery 42Ah

The Shenzhen 12.8V LiFePO4 battery pack has a larger capacity and longer shelf life than the standar..

Product Code: TE-347-042

Limit 4 per customer Contact us for higher quantities.

$612.50

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