Battery Fits Models:- 40v Max Xgt, Cf001g, Df001g, Ga003g, Ga005g, Ga011g, Ga013g, Hp001g, Hr001g, Hr003g, Hs004g, Td001g, Ub001g, W001g Battery Part Numbers:- 191l29-0, Bl4020, Bl4025, Bl4030, Bl4040, Bl4050f, Bl4080f Our products are designed to use only the highest quality parts and components to provide a long and useful life. They are designed with safety as a priority and will last as long as the originals. Finding the correct battery for your product can take time and effort. There are so many models and part numbers that it can be confusing. Finding the correct battery for your product can take time and effort. There are so many models and part numbers that it can be confusing. Ensure that you have verified that you are ordering the correct battery, look at the voltage and the battery part numbers, and ensure they match. It will be stated in the information box if it is different. You can expect that a Lithium-Ion or a lithium Polymer cell will last around four hundred cycles, and Nimh can be cycled for about 500 cycles. It's always best to charge your battery only when it gets low. Continual charging will reduce the overall life expectancy of your battery. Being an ISO 9001-certified factory means the Cameron Sino range of batteries must be manufactured with only the highest quality components. The products this replacement battery is designed to replace are shown in the table below. As a final check, it's worth comparing your original battery with the one shown. It just means that our replacement battery will store slightly less or slightly more charge than the original.