A down tube style lifepo4 battery for e-bike is a type of battery pack that can be mounted on the down tube of an electric bicycle. It is made of lithium iron phosphate (LiFePO4) cells, which are safer, more durable and have a longer cycle life than other lithium-ion batteries. A down tube style lifepo4 battery for e-bike can have up to 39 cells, which means it can provide a voltage of 48V and a capacity of 10.2Ah. This battery pack can power an e-bike motor with a power range of 250W to 3000W, depending on the current output of the battery management system (BMS). A down tube style lifepo4 battery for e-bike comes with a 5A charger that can fully charge the battery in about 3 hours. It also has a LED indicator that shows the remaining battery level and a switch that can turn on or off the power output. A down tube style lifepo4 battery for e-bike is suitable for medium-distance riding, as it can offer a range of 30 to 40 miles, depending on the riding conditions and the motor power¹³. A down tube style lifepo4 battery for e-bike is a powerful, stable and long-lasting battery option for electric bicycle riders.