DEWALT 20V MAX 10 Ah Lithium Ion Battery 2-Pack (DCB210-2)

What It Is

The DEWALT DCB210-2 is a 2-pack of 20V MAX 10 Ah lithium-ion batteries designed to power DEWALT 20V MAX cordless lawn mowers, trimmers, blowers, and other outdoor power equipment. The high 10 Ah capacity delivers extended runtime for larger yards or demanding tasks.

Fitment & Compatibility

• Brand & System: Only compatible with DEWALT 20V MAX tools and chargers. Not compatible with DEWALT 40V MAX, 60V FLEXVOLT, or other brands.
• Physical Check: The battery slides onto the tool’s base—no adapters or modifications needed. Ensure your mower or tool has a 20V MAX battery port (most DEWALT cordless mowers do, but verify model number).
• Mower Specificity: Works with DEWALT 20V MAX mowers like DCMW220 (20-inch) and DCMW225 (21-inch). Not for 40V or gas-powered models.
• Charger Compatibility: Charges on any DEWALT 20V MAX charger (e.g., DCB115, DCB107, DCB118). The 10 Ah size may take longer to charge on slower chargers.

Key Things to Know

• Runtime vs. Weight: At ~2.3 lbs each, these are heavier than 5 Ah batteries. Expect up to 60-90 minutes of mowing on a single charge (varies by mower and grass conditions).
• No Installation Difficulty: Slide on, lock, and go. No wires or tools needed.
• Common Gotcha: The 10 Ah cells are larger; they may not fit in some compact tools (e.g., small screwdrivers) or older 20V MAX chargers with tight slots. Test fit before buying.
• Quality Note: DEWALT’s lithium-ion cells hold charge well over winter, but store at 40-60% charge for long-term health. Avoid full depletion.

Should You Buy It

Buy this 2-pack if you have a DEWALT 20V MAX cordless mower or trimmer and need all-day runtime without swapping batteries constantly. It’s ideal for yards up to 1/2 acre. Skip it if you only use light-duty tools (stick with smaller Ah packs) or if your equipment uses a different voltage system.