Description
Product Overview
The DeWalt DCB2108-2 20V MAX XR POWERSTACK™ 8.0Ah Battery (2-Pack)* is DeWalt’s highest-capacity battery utilizing their revolutionary pouch cell technology. Designed for the most demanding heavy-duty applications, these batteries deliver 50% more power and run cooler than the standard cylindrical cell 8.0Ah batteries (DCB208), all while maintaining a more efficient form factor.
What’s Included in the Box
2 x DCB2108 20V MAX* XR POWERSTACK™ 8.0 Ah Batteries
(Note: Charger is NOT included)
Technical Specifications
| Specification | Detail |
| Voltage | 20V MAX* |
| Capacity | 8.0 Amp Hours (Ah) |
| Cell Type | Pouch Cell Technology (Powerstack™) |
| Weight | ~2.1 lbs (per battery) |
| Length | 5.2 inches |
| Compatibility | All 20V MAX* Tools & Chargers |
Key Features
Pouch Cell Technology: Delivers 50% more power compared to the DCB208 cylindrical battery, maintaining high voltage under heavy load.
Longer Lifespan: Provides 2X the charge cycles of standard cylindrical batteries, increasing the investment value for professionals.
Cool Running: The flat cell design dissipates heat more efficiently, preventing the battery from shutting down during sustained heavy use.
Rubber Overmold: Features a durable, non-marring rubber base to protect finished surfaces and withstand jobsite drops.
3-LED Fuel Gauge: Immediate feedback on charge status.
Warranty & Service
3-Year Limited Warranty
1-Year Free Service Contract
90-Day Money-Back Guarantee
Common Use Cases
These batteries are engineered for high-draw industrial tools like rotary hammers, grinders, 7-1/4″ circular saws, and chop saws. They are best suited for professionals who need maximum sustained power without stepping up to the much heavier FlexVolt platform.
*Note: “20V MAX” refers to the maximum initial battery voltage (measured without a workload), which is 20 volts. Nominal voltage is 18 volts.
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