AccuCell NiMH battery for DIY installation, compatible with the 7.2 Volt battery pack for Black & Decker Dustbuster without housing. Dimensions LxWxH approximately 69.8 x 50 x 43 mm, battery pack with 2 solder tabs. 7.2 Volt battery pack for DIY installation or soldering for the Dustbuster DV7205N H2 7.2V. The NiMH battery pack for DIY installation for your Black & Decker Dustbuster DV7205N H2 7.2V battery. Please note that the battery is delivered without housing for DIY installation. The battery pack consists of 6 pieces of 1.2 Volt batteries arranged as a battery pack. The battery has 2 solder tabs for connection. Please check the arrangement, design, and voltage with your battery. Installation tip: Carefully remove the 7 silver Phillips screws and then open the housing. Now gently open the plastic battery housing and desolder or cut off the old battery, then connect the transparent housing with the new battery, solder it, and you're done. Now properly close the housing again and after a short functionality test, charge the battery.