STIGA BH 900e battery backpack compatible with all Series 9 cordless hand tools The BH 900e battery backpack, which can be used with Series 9 hand tools, takes the weight of the battery and distributes it evenly over the operator's back. Moreover, by doubling the amount of power available, it makes work sessions much more productive as well as comfortable. Thanks to the padded shoulder straps and hooks, this ergonomic backpack easily adapts to the operator’s build, height and working position. Power control is also completely in your hands: the four green LED lights on the hand tool's keypad show the charge level of the battery in use. So when one battery is almost empty, you can simply switch to the other using the selector switch on the bottom of the pack, without having to remove it. For maximum power when using the Series 9 hand tools, we recommend using a pair of 48 V, 7.5 Ah batteries. However, the BH 900e backpack can be combined with ePower batteries of any amperage; this allows you to also connect one of the Series 5 or 7 tools using the appropriate accessory. TECHNICAL DATA SHEET POWER VOLTAGE 48 V CZ