Harbor Freight Tools
$6999
SKU: 59247

HERCULES 20V 4 Ah Extreme Performance Lithium-Ion Compact Battery

$6999
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DEWALT DCB240 at
$159
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This HERCULES™ Extreme Performance lithium-ion battery uses 21700 battery cell technology for more power and runtime in a compact size. Read More

Product Details

This HERCULES™ 20V, 4 Ah Extreme Performance Lithium-Ion Compact Battery uses 21700 battery cell technology for more power and runtime in a compact size. Extreme Performance technology ensures that this battery is optimized for high-demand tools in order to power through some of the toughest jobs. Get up to 40% more power,* 65% more runtime,** and 95% more cuts per charge*** than the standard Hercules 2.5 Ah pack. The easy-view fuel gauge tells exactly how much power remains before you need to recharge.

  • Designed for high-demand tools to power through the toughest jobs
  • Electronic controls protect the battery and tool during heavy use
  • High performance lithium-ion battery cells
  • Impact resistant overmold increases protection from drops and jobsite debris
  • 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. *Compared to HERCULES™ 2.5 Ah pack. **Compared to 2.5 Ah battery 15A discharge. ***2x6 white pine with circular saw.

How to Choose

20V/12V Lithium-Ion MultiVoltage Charger
20V 2 Ah Battery
Model: HC09
Most Compact and Lightweight
Lower weight and size of your tool with the most compact and lightweight battery.
20V/12V Lithium-Ion MultiVoltage Charger
20V 4 Ah Battery
Model: HC044
Size and Runtime
Slim design with extreme performance cells for longer run time. The best balance of size and runtime.
20V/12V Lithium-Ion MultiVoltage Charger
20V 5 Ah Battery
Model: HC01
Size and Performance
Long-lasting power in a mid-sized battery. Perfect for demanding applications with lightweight tools.
20V/12V Lithium-Ion MultiVoltage Charger
20V 8 Ah Battery
Model: HC08
More Runtime
Run tools longer and harder with extreme performance cells. Get great performance with 60% more runtime.
20V/12V Lithium-Ion MultiVoltage Charger
20V 12 Ah Battery
Model: HC012
Maximum Runtime
The longest running battery in the Hercules 20V line with extreme performance cells. Get 145% more runtime and make less trips to the charger.
Compared to 5 Ah battery at 15A discharge.

Amp Hours at Work Per Charge*

Hole symbol= 10 holes
20V/12V Lithium-Ion MultiVoltage Charger
20V 2 Ah Battery
Model: HC09
Drill Approx.
90 1” holes
20V/12V Lithium-Ion MultiVoltage Charger
20V 5 Ah Battery
Model: HC01
Drill Approx.
200 1” holes
20V/12V Lithium-Ion MultiVoltage Charger
20V 8 Ah Battery
Model: HC08
Drill Approx.
335 1” holes
20V/12V Lithium-Ion MultiVoltage Charger
20V 12 Ah Battery
Model: HC012
Drill Approx.
510 1” holes
*Using self-feed spade bit in white pine and Hercules 20V Brushless Drill/Driver

Chargers

Compatible with all Hercules 20V and 12V Batteries
Charger Specs Standard Fast
20V/12V Lithium-Ion MultiVoltage Charger
20V/12V Lithium-Ion
MultiVoltage Charger
20V/12V Lithium-Ion MultiVoltage Dual Port Charger with Dual USB
20V/12V Lithium-Ion
MultiVoltage Dual Port
Charger with Dual USB
20V/12V Dual Voltage Fan Cooled Lithium-Ion Battery Charger
20V/12V Dual Voltage
Fan Cooled Lithium-Ion
Battery Charger
Model Number
HC04
HC06
HC07
Features
Hercules 20V and 12V
Battery Standard Charger
Hercules 20V and 12V
Battery Dual Port Charger
Hercules 20V and
12V Fast Charger
Charging Ports
1
2
1
USB Ports
0
2
0
Charging Amperage
4
4
8
Charge Type
Single
Parallel**
Single
More charge amperage means faster charging
**Parallel: Charges two batteries at the same time
SKU(s)
59247
Brand
HERCULES
Model
HC044
Battery Capacity
4 Ah
Battery Type
Lithium-Ion
Battery Voltage (volts)
20
Product Height
2-3/8 in.
Product Length
5-1/2 in.
Product Weight
1.49 lb.
Product Width
3-3/8 in.
Shipping Weight
1.58 lb.
Note: Specifications are approximate and subject to change

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Product Support

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