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Yamaha PW-X3 / PW-ST / PW-TEDoes the Yamaha rack battery 400 Wh fit a Yamaha PW-X3 / PW-ST / PW-TE bike?
Whether the Yamaha rack battery 400 Wh fits a Yamaha PW-X3 / PW-ST / PW-TE e-bike, and what to confirm on your own frame first.
Yes, with the right mount. The Yamaha rack battery 400 Wh is the native pack for a Yamaha PW-X3 / PW-ST / PW-TE bike (400 Wh, 36 V), charged through the Yamaha PW-series charge connector.
| Battery | Yamaha rack battery 400 Wh (400 Wh, 36 V) |
|---|---|
| Native drive system | Yamaha PW-X3 / PW-ST / PW-TE |
| Verdict | fits (native pack) |
| Charge port | Yamaha PW-series charge connector |
| Will not fit | a different drive system, or a different Bosch/Shimano generation even if the shape matches |
The Yamaha rack battery 400 Wh is proprietary to the Yamaha PW-X3 / PW-ST / PW-TE drive, so it fits that system and no other. The Yamaha 400 Wh rack pack is the smaller carrier battery. It shares the rack carrier mount with the 500 Wh rack pack, which is the range upgrade.
Confirm the mount and the Yamaha PW-series charge connector on your own frame, because packs that look identical across generations do not always interchange.
Sources: eBike24, Yamaha 400Wh and 500Wh frame battery · Yamaha Motor, PW-X3 drive unit specifications · eBike24, Yamaha e-Bike Intube battery 500Wh