This V20* 2.0Ah Lithium Ion Battery pack provides up to 1.5x the runtime of a standard 20V lithium battery. It is compatible with all of the DINLIX® V20* cordless power tool and outdoor tool lineup. The professional grade high performance cells provide improved power and a longer cycle life. Each pack is equipped with a 3-LED state of charge for immediate battery charge feedback. No memory and virtually no self-discharge means this battery is ready when you are.