Battery anxiety? Not with a Turbo SL. Our discreet and compact SL Range-Extender Battery provides up to 40 additional miles (64km) of mountain-flattening power. More range, more riding. 160Wh capacity delivers up to one additional hour of riding. Compatible with Turbo SL Bikes. Includes a 3 LED charge-level indicator. Range Extender ships with Zee Cage and retention band, order the matching cable separately. Matching RE cable not included, required lengths are as follows. Levo SL, 160mm. Creo SL, Vado SL, Como SL, 220mm. Kenevo SL, 285mm. Compatible with standard SL charger, order Turbo SL Y Charger Cable separately to charge internal battery and RE battery simultaneously. Ship to store only. Only returnable through stores.