Capacity: 4600mAh, Battery type: Lithium-ion, Voltage: 21.6v. Remove the three screws to install the new battery. 4600mAh powerful capacity: replacement for Dyson V7 to live for above 45 minutes after it’s fully charged. No need to worry the power of your tool runs out at the half of work. replacement for Dyson V7: high price-performance ratio replacement battery for Dyson V7, V7 Motor-head Pro, V7 Trigger, V7 Animal, V7 Car+Boat, replacement for Dyson v7 absolute, replacement for Dyson v7 HEPA. Enable you to enjoy more battery performances with lower price. Multiple certification: Protection against over-discharging, overcharging, over-current, over-voltage , and short circuit. Safe backup battery for house vacuum tools. Product details: Capacity: 4600mAh Voltage: 21.6v Battery type:Li - ion Compatible Models(replacement for DYSON V7 VACUUM): replacement for Dyson v7 motorhead replacement for Dyson v7 trigger replacement for Dyson v7 animal, animal Pro+ replacement for Dyson v7 car+boat replacement for Dyson v7 absolute replacement for Dyson v7 HEPA Advantage: Product interface Quick charge and easy to install. Fit your vacuum perfectly. LED charging indicator How to install the replacement battery? Step 1: The battery is secured with three Philips screws.One in the rear of the handle,and two in the underside of the battery. Step 2: Remove the three screws.Scrure in place with the three existing/supplied screws. Note: 1. Keep the battery healthy by fully charging and then fully discharging it at least once every two to three weeks. 2. Keep the Battery Clean - It's a good idea to clean dirty battery contacts with a cotton swab and alcohol. This helps maintain a good connection between the battery and the portable device. 3. Exercise the Battery - Do not leave the battery dormant for long periods of time. 4. Battery Storage - If you don't plan on using the battery for a month or more,store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use.