PowerSmith 20V Max 4 Amp Lithium Ion Replacement Battery for Cordless Tools

With the POWERSMITH 20V max 4. 0Ah Lithium-Ion replacement battery, you can handle a variety of projects with one charge. This powerful interchangeable battery can be charged fully in 120 minutes and provides high-capacity power for cordless tools. This battery doesn't have to be fully drained before it can be recharged, so check the power indicator light, then plug it in to make sure you have full strength at the next worksite. This small battery adds very little extra weight to your tools, but packs tons of power with a charge that lasts for months. Tools run at full-strength for entire charge No matter how low the battery is, so tools never run at less than 100%.