Ego Power+ Battery realises the best of Arc Lithium technology. This battery is as effective in performance as petrol and has a design encompassing the latest technology for efficient battery cooling and effective temperature control. Cells within the Ego Power+ batteries are placed at the correct density for a compact battery but without overcrowding, which can cause an excess build up in heat. This battery is controlled by intelligent software, microprocessors and an internal power management system allowing the greatest run time of your outdoor power tools Unique Ego Power+ design allows battery to be placed on the exterior of your tools and not the interior so your cells remain cool and work efficiently. Smart electronics within the battery are protected from dust and moisture by a resin coating and shock-absorbing, robust case. Charge time of 30 minutes with the Ego Power+ Rapid Charger Charge time of 80 minutes with the Ego Power+ Standard Charger Battery Weight: 2.2kg Fits Ego Power+ garden tools Temperature-control battery 360° airflow for faster charge time