Giant’s latest EnergyPak battery systems feature streamlined designs that are integrated with the E-bike for a sleek and modern profile. Giant E-bikes offer several different EnergyPak options including the Downtube EnergyPak, Side-Release EnergyPak, Top-Pull EnergyPak and Carrier EnergyPak. Each one is designed to optimize the E-bike experience for a specific style of riding.