Battery life depends on factors such as weight of the rider, terrain, inclines and also the way the rider uses the trigger. The battery range of the Lithium-Ion Battery (LiFePo4) is with the double-IN-Wheel-Motor version of the TranceBoard more than 20 km / 12 miles. Following the Battery Specifications: 36V x 6 Ah / 216 Wh, 1544 Grams Battery Charging Time takes up to three hours, an integrated battery is more than 500 times rechargable. We protect our boards with a battery overcharge protection device (OPD) electronically against an overcharge / overload. This will extend the real battery life. You will never have the case that the freshly charged battery will overload/overcharge when you first start to brake, charging the allready full battery. Other cheap electric skateboards don't integrate such a protection system. It can even happen that a fully charged battery explodes while charging through loading the battery while braking already from the start. Remember for every Lithium battery: Don't charge them always up to 100% and don't deplete them until your device shuts off because of a low battery. The best practice is, not to load them up to 100% and not to completely deplete them, when you see 20%, load it again until 90%. Our intelligent battery deep discharge protection system and the overcharge protection system handles that for you in the TranceBoard electric skateboard.