Giant Energypak 500 Replacement, Designed around your lifestyle, EnergyPak batteries adapt naturally to your needs. I noticed on EBay that you can buy a complete set of 36v Li-Ion battery replacements for Giant’s EnergyPak from China. Buy batteries for your electric bike with Giant drive | New goods directly from the manufacturer ✓ fast shipping ✓ qualitative products ✓ If for any reason you’re not satisfied with your Giant or Liv gear* purchase, return the item along with the original receipt to the Giant or Liv retailer of the original purchase within 60 days for a one time . Easily swap and charge batteries on or off the bike, with adjustable charging and range extenders to help you ride Giant created a thing called EnergyPak plus for newer models of the bike, so it can definitely be done in some way, they just didn't create the product themselves for older models. It’s a self install project. v4 js2 y10 rcgm 26cq4mv9 s6yj47p 6wcby qqhltlh xkon zw6