Double the range of your Hermansen Bike One or Bike Ten e-bike with an extra 33V battery. The bottle shaped Li-ion battery is the highest energy density battery on the market, and its handy size makes it easy to bring a spare for longer rides. The battery range is up to 40 km depending on chosen motor assist level, terrain, wind, riding style and rider. When charging your e-bike battery always use an original charger to avoid damage to the battery. We currently only ship within the EU Specifications Type: Li-ion high density battery/Panasonic NCR Series 18650 cells and Battery Management System, 33V, 7Ah Cycle life: ≥500 times Casing: Polished stainless steel body, ADS reinforced carbon fiber cap Charing time: 3-4 hours to fully charge an empty battery Size: Height 22,5 cm, diameter 7 cm Range: Up to 40 km depending on chosen power assist level, terrain, wind, riding style and rider Weight: 1.2 kg