Dyson - V7 Replacement battery This is a great replacement solution for common issues like your battery no longer holding a charge. This replacement battery for all Dyson V7 models is easy to instal with just a few screws. Capacity: 4500mAh; Battery type: Lithium-ion; Voltage: 21.6v; Wattage: 97.2Wh; Premium Lithium battery cells, perform same as original V7 bttery Fully Compatible: 100% compatible with your Dyson V7 Series, V7 Motorhead, V7 Fluffy, V7 Animal Pro+, V7 Trigger, V7 Trigger, V7 HEPA, V7 Car+boat, V7 Absolute, etc No memory effect, can be charged or discharged as needed without loss of capacity. Helpful Information To help prolong battery life, avoid recharging immediately after a full discharge. (Allow cooling for a few minutes) Before you use the battery for the first time, please fully charge it Integrated charging indicator: Steady blue means charging, light off means charging completed, flashing green means activated low current protection, flashing yellow means error occurred(high-temperature protection) Fits Models: All Dyson V7 Models SV11