Device · Shimano

Shimano STEPS DU-E8000 drive unit

verified 2026-10-13 Specs from Shimano compatibility chart C-511. Also known as: du-e8000, steps e8000.

Specs

drive systemShimano STEPS 1st-generation battery management
battery voltage36

Takes

  • e-bike battery Shimano STEPS 1st-gen external down-tube battery (BT-E6010 / BT-E8010 / BT-E8014 / BT-E8016)
    Shimano's 1st-generation frame-mounted (external) batteries on BM-E6010 / BM-E8010 / BM-E8016 mounts.
  • e-bike battery Shimano STEPS 1st-gen integrated battery BT-E8020
    Shimano's early in-frame battery BT-E8020 on the BM-E8020 mount.
  • e-bike battery Shimano STEPS 1st-gen integrated battery (BT-E8035 / BT-E8036)
    Shimano's 1st-generation in-frame (swing-in) batteries on BM-E8030 / BM-E8031 mounts.
  • e-bike charger Shimano STEPS / E-BIKE charger (EC-E6002, EC-E8004)
    Shimano's EC-E6002 and EC-E8004 chargers; their manuals list both 1st-gen (BT-E...) and Gen.2 (BT-EN...) batteries as compatible.

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Good to know
  • Shimano's chart shows the Gen.2 external BT-EN604/605/606 share a 'common frame mount' shape with these, but Gen.2 batteries need a Gen.2 battery mount and drive unit - looks similar, not interchangeable.
  • Mounts differ by battery (BM-E6010, BM-E8010, BM-E8016); a longer 17.5 Ah BT-E8016 needs a mount and frame space for it.
  • Shimano Gen.2 (BT-EN..., used with EP801/EP600/EP500) and 1st-generation (BT-E...) components: 'With some exceptions, first-generation and Gen.2 products ... are not compatible with each other.' Gen.2 batteries and mounts are marked 'Gen.2'.
  • 'EP8' is used for both the DU-EP800 (1st gen) and DU-EP801 (Gen.2), and 'EP6' for DU-EP600 (Gen.2); check the drive-unit model number, not the marketing name.
  • Shimano: 'It is recommended to use a SHIMANO genuine battery' and 'Use the specified battery and battery charger combination for charging.'
  • The battery must also match the bike's battery mount and frame; Shimano's chart lists compatible mounts per battery. Watt-hours here are 36 V x the Ah Shimano states.

What fits the Shimano STEPS DU-E8000 drive unit?

9 parts and accessories in the graph work with this model. OEM parts first.

e-bike battery

e-bike charger

Informational only. Confirm with the manufacturer before buying or installing. Spotted a mistake? Report it.