Harbor Freight Tools


20V 2.5 Ah Lithium-Ion Compact Battery

HERCULES® lithium ion batteries deliver more power, longer runtime

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With 20v 2.5 Ah of power at your command you get more power, longer runtime and less downtime. The HERCULES® Lithium-Ion Compact Battery charges fully in 60 minutes. The easy-view fuel gauge tells you exactly how much power remains before you need to recharge. This hardworking battery is designed to withstand impact, extreme weather and long times in storage.

  • Industry leading quality lithium-ion battery cells
  • Impact resistant - holds up to jobsite abuse
  • Easy-view fuel gauge displays battery charge level
  • Thermal control extends battery durability
  • Works with all HERCULES® 20V cordless tools

Important Information

  • 3-Year Limited Warranty for HERCULES® 20V batteries and chargers purchased on or after 8/19/22. See www.harborfreight.com/hercules for full terms. This item can only be shipped within the 48 contiguous states via Standard Ground Shipping.

56562, 57306
Battery capacity
2.5 Ah
Battery type
Battery voltage (volts)
Charge time
60 Minutes
Product Length
4-4/5 in.
Product Weight
0.94 lb.
Product Width
3 in.
Shipping Weight
1.09 lb.
Temperature range (deg F)
-68° F to 167° F (-20° C to 75° C)
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 3 years from the date of purchase. Limitations apply.