With a 4.0 Ah capacity, this POWER FOR ALL 18V battery will keep any tool running for long enough to tackle a wide range of large DIY jobs with a single charge. It has the perfect balance of weight and runtime. The Lithium-Ion cells inside the battery pack can be charged quickly without memory effect for a long battery life time. The battery is compatible with all Rapid 18V Power Tools as well as with numerous other products from participating brands of the POWER FOR ALL ALLIANCE like Bosch, Gardena, Gloria and Wagner. This means that you no longer need to buy one battery for every product, you to easily switch from one product to the next whenever the need arises. You save money and stay flexible at all times! The battery can be charged up to 80% within 100 minutes and fully charged within 125 minutes with the P4A 18V-20 charger.