Charge your smartphone while you?re on court with the Solar Tennis Backpack from Babolat. The 2-watt solar cell uses sunlight to generate energy giving your smartphone power, and is lightweight; it can also be removed from the pack. The large main compartment is ideal for your kit, with a separate, padded racket compartment protecting your strongest weapon. 2 side accessory pockets and an allocated shoe pocket provide additional space for all your court essentials. Finished with Babolat branding