DEWALT 20V MAX 5 Ah Lithium Ion Battery 2-Pack (DCB205-2)

What It Is

A 2-pack of DEWALT 20V MAX 5 Ah lithium-ion batteries (DCB205-2), designed to power DEWALT 20V MAX cordless lawn mowers, trimmers, blowers, and other outdoor power equipment. The 5 Ah capacity balances runtime and weight for medium-to-heavy yard tasks.

Fitment & Compatibility

• Brand/Model Fit: Works exclusively with DEWALT 20V MAX tools and chargers. Not compatible with DEWALT 60V FlexVolt or 12V/18V lines.
• Mower Compatibility: Fits DEWALT 20V MAX mowers (e.g., DCMW220, DCMW225) and most 20V MAX string trimmers, blowers, and chainsaws. Check your tool’s voltage requirement—must be 20V MAX.
• OEM vs Aftermarket: This is an OEM DEWALT battery. Third-party “compatible” batteries may cost less but often lack the same cell quality, runtime, or safety certifications.
• Physical Check: Dimensions: 5.5 x 3.0 x 2.5 inches; weight ~1.5 lbs each. Ensure your tool’s battery compartment has clearance for the 5 Ah size (larger than 2 Ah or 3 Ah packs).

Key Things to Know

• Runtime: Provides roughly 2x the runtime of a 2.5 Ah battery—expect 30–60 minutes of mowing on a typical 1/4-acre lawn, depending on grass conditions.
• Installation: Slides directly into the tool’s battery port. No tools or adapters required.
• Charger: Works with DEWALT 20V chargers (DCB115, DCB118, etc.). Charge time from empty is about 60–90 minutes with a standard charger.
• Common Gotcha: These batteries are not interchangeable with 60V FlexVolt tools. Also, avoid storing them fully discharged—recharge within 30 days to prevent deep discharge damage.

Should You Buy It

Buy this if you already own DEWALT 20V MAX outdoor equipment and need reliable, long-lasting power for medium-to-large yards. It’s a solid OEM choice for users who want consistent runtime and compatibility without risking aftermarket quality issues. Overkill for occasional light trimming—consider a 2-pack of 2 Ah batteries instead.