Shimano BT-EN805 Integrated Down Tube Battery (504 Wh) Battery
What the checker says39will not fit3worth knowing
Run variant by variant through the e-MTB builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.
Checked against 500 verified e-MTB parts in this catalog. 487 produced no finding of any kind. Each variant produces 13 distinct errors and 0 distinct warnings.
- info · this part aloneNo frame picked yet: Shimano BT-EN805 Integrated Down Tube Battery (504 Wh) is an integrated shimano-steps-ep8 pack, and integrated batteries are designed per frame - pick the frame to judge the fit. Applies to 1 of 3 variants.
- info · this part aloneNo frame picked yet: Shimano BT-EN805-L Integrated Down Tube Battery (504 Wh, Long) is an integrated shimano-steps-ep8 pack, and integrated batteries are designed per frame - pick the frame to judge the fit. Applies to 1 of 3 variants.
- info · this part aloneNo frame picked yet: Shimano BT-EN806 Integrated Down Tube Battery (630 Wh) is an integrated shimano-steps-ep8 pack, and integrated batteries are designed per frame - pick the frame to judge the fit. Applies to 1 of 3 variants.
Will not fit
Emtb battery frame, Frame. 39 more findings from the same check, on up to 1 of the 16 verified frames each.
Open a variant in the builder to see the ones that apply to your own parts.
Worth knowing
- Worth knowinginfo · FrameRange extender: Ibis Oso HD Frame supports an additional range-extender battery alongside Shimano BT-EN805 Integrated Down Tube Battery (504 Wh) (maker-stated). Extra capacity, not a fit issue. On 1 of the 16 verified frames in this catalog. Applies to 1 of 3 variants.
- Worth knowinginfo · FrameRange extender: Ibis Oso HD Frame supports an additional range-extender battery alongside Shimano BT-EN805-L Integrated Down Tube Battery (504 Wh, Long) (maker-stated). Extra capacity, not a fit issue. On 1 of the 16 verified frames in this catalog. Applies to 1 of 3 variants.
- Worth knowinginfo · FrameRange extender: Ibis Oso HD Frame supports an additional range-extender battery alongside Shimano BT-EN806 Integrated Down Tube Battery (630 Wh) (maker-stated). Extra capacity, not a fit issue. On 1 of the 16 verified frames in this catalog. Applies to 1 of 3 variants.
$800.00 to $1,000.00 MSRP·3100 g
What the maker states
- System
- Drivetrain system shimano-steps-ep8
- Mount
- Shimano-idt-gen2
- Wh
- 504 Wh (on 2 of 3 variants); 630 Wh (on 1 of 3 variants)
A value shown as a set or a range differs between this model’s variants and is never one variant’s spec.
3 verified variants
| Variant | Wh | Price (MSRP) | Weight | Source | Last checked | Build |
|---|---|---|---|---|---|---|
| BT-EN805 Integrated Down Tube Battery (504 Wh) | 504 Wh | $800.00 | not stated | maker’s page | 2026-07-29 | Build with this |
| BT-EN805-L Integrated Down Tube Battery (504 Wh, Long) | 504 Wh | $800.00 | 3100 g | maker’s page | 2026-08-14 | Build with this |
| BT-EN806 Integrated Down Tube Battery (630 Wh) | 630 Wh | $1,000.00 | not stated | maker’s page | 2026-08-01 | Build with this |
The rest of what the maker states1 not published
1 further field the checker looks for is not published by Shimano, so we leave it blank rather than estimate it, and that check stays silent on this battery. It is removable. Each is recorded as “not stated by the maker (not checked)”.
Source: each variant links the maker’s own page in the table above. Last checked 2026-07-29 to 2026-08-14.
Checked against
The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.
- 9point8 Fall Line 30.9 / 125mm (INLINE) (Dropper Post) No conflicts found
- BikeYoke Divine 2.0 Dropper Post 31.6 / 125mm (Dropper Post) No conflicts found
- BikeYoke Divine SL Dropper Post 30.9 / 80mm (Dropper Post) No conflicts found
- BikeYoke Divine SL Rascal Dropper Post 30.9 / 80mm (Dropper Post) No conflicts found
- BikeYoke Revive 3.0 Dropper Post 30.9 / 125mm (Dropper Post) No conflicts found
- BikeYoke Revive Max 3.0 (34.9) Silver Ltd. Dropper Post 34.9 / 125mm (Dropper Post) No conflicts found
6 of 274 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.