- Original battery extender for EP3+ Can-Bus connectable to the 500Wh Polini battery
- Guarantees a further autonomy of 250Wh making the e-bike systems modular: in addition to the standard 500 Wh, another 250 Wh are added, thus reaching a total of 750 Wh
- All E-P3+ 2023 Can-Bus systems are set up for communicate with the Polini Bottle Battery, which connects directly to the original Polini battery via a new connector with bayonet connection
- The system is designed to immediately recognize both batteries and by turning on the main 500Wh battery, if connected, it will turn on automatically also the 250Wh Polini Bottle Battery
- The display has also been updated to allow the user to see the remaining charge of both batteries on the second page of the menu
- For To operate the Bottle Battery it is necessary to purchase one of the two available cables (200mm long, code 955.830.038 or 700mm long, code 955.830.039) to connect it to the main 500Wh battery depending on the fixing point
- For the correct housing code 955.520.024 is required to fix the support to the frame cover or to the sleeve saddle
- 36v - 7Ah

Supports and connection cables NOT included