Dyson BCDY-DC59 Cordless BatteryReplacement of batteries in your cordless vacuum cleaner is probably the most common replacement part you will ever need in a rechargeable product. So it is important to buy your Dyson battery from a trusted supplier committed to delivering only the highest grade battery cells.A Grade High quality Li-Ion battery Equipped an integrated microchip which prevents overcharging and lengthens battery life The battery should be charged for about 4-6 hours before being used
