Harbor Freight Tools


12V 2.0 Ah Lithium-Ion Compact Lightweight Battery

This HERCULES™ lithium-ion battery delivers more runtime in a smaller package

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The HERCULES™ Lithium 2.0 Ah Battery delivers plenty of power and runtime for the HERCULES™ 12V platform. The easy-view fuel gauge tells you exactly how much power remains before you need to recharge.

  • Easy-view fuel gauge displays battery charge level
  • Industry leading li-ion battery cells are balanced and tested to meet the highest performance requirements
  • Works with all Hercules® 12V cordless tools

Important Information

  • This item can only be shipped within the 48 contiguous states via Standard Ground Shipping.

56566, 57367
Battery capacity
2.0 Ah
Battery type
Battery voltage (volts)
Product Length
3-1/2 in.
Product Weight
1.5 lb.
Product Width
2-1/2 in.
Shipping Weight
0.60 lb.
Temperature range (deg F)
32° F to 122° F (0° C to 50° C)
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.