DEWALT DCB122 12V MAX* 2AH LITHIUM ION BATTERY

What It Is

The DEWALT DCB122 is a 12V MAX* 2Ah lithium-ion battery designed to power DEWALT 12V MAX* tools and equipment, including lawn mowers like the DEWALT DCMW220 12V MAX* string trimmer and DCMPS220 pole saw. It replaces older NiCad batteries with lighter, longer-lasting lithium-ion tech.

Fitment & Compatibility

Before buying, confirm your tool uses the DEWALT 12V MAX* battery platform—this is not compatible with 20V MAX* or 54V FlexVolt tools. Check the model number on your current battery (e.g., DCB120, DCB124) or tool. This battery fits all DEWALT 12V MAX* tools, including lawn mowers, trimmers, blowers, and drills. It is an OEM DEWALT battery, not aftermarket, so no adapter needed. Measure the battery compartment if using a non-DEWALT tool—some third-party adapters exist but are not recommended for safety.

Key Things to Know

• Quality: OEM DEWALT with reliable cells; 2Ah capacity provides ~30-40 minutes run time on a string trimmer (light use). Not for heavy-duty mowing.
• Installation: Tool-free snap-in design; no wiring or tools required. Fully charge before first use (charger not included).
• Common gotchas: Will not charge on 20V/54V chargers—use only DEWALT 12V chargers (e.g., DCB115). Battery LED fuel gauge shows charge level; if it flashes rapidly, battery may need reset (press button 10 seconds). Avoid deep discharge—recharge when tool slows.
• Weight: 0.4 lbs, much lighter than old NiCad 12V packs.

Should You Buy It

Buy it if you own DEWALT 12V MAX* lawn tools and need a spare or replacement for light trimming, edging, or pruning. It’s a solid OEM choice for reliability, but skip it if you need longer run time—opt for the 3Ah DCB124 instead.