Craftsman V20 4.0Ah Battery vs Craftsman V20 2.0 Ah Battery

Both are genuine Craftsman V20 batteries that fit the same tools, so the choice comes down to capacity versus weight and bulk. The 4.0Ah CMCB204 runs roughly twice as long per charge as the 2.0Ah pack and carries a 3-LED charge gauge, which is why owners of the 4.0Ah rate it highly. The 2.0Ah is lighter and charges in about half an hour, so it suits drills and light work where balance matters more than runtime. Buy the 4.0Ah for saws, blowers and long jobs; buy the 2.0Ah for compact tools and quick top-ups.

• Choose the Craftsman 4.0Ah if you run saws, string trimmers or blowers and want the longest runtime per charge plus a charge indicator.
• Choose the Craftsman 2.0Ah if you want a lighter pack for drills and drivers and faster recharge between short jobs.