Reention Dorado E-Bike Battery — Compatibility Guide

The Reention Dorado is the most common downtube battery case on US-market e-bikes — which is exactly why so many discontinued bikes can still be revived with an aftermarket pack. But "Dorado" is a family, not a single part. Getting a replacement right comes down to four things:

Schematic of a Reention Dorado e-bike battery case showing where to measure length, the discharge connector, the voltage and model label, and the charge port. — The four things to check on a Reention Dorado pack — start by measuring the length.

The four things that decide fit

Voltage — almost all Dorado-equipped bikes here are 48V. Never fit a 36V pack to a 48V bike.
Case length — Dorado ships in short (~390–440 mm) and long (~458–505 mm) lengths. A different length will not seat in your cradle. Measure your original.
Discharge connector — 2-pin, 5-pin and 6-pin plugs exist; same-looking, different wiring.
BMS type — some bikes use a smart BMS that rejects a standard replacement pack. This is the gate sellers leave out.

Verified models in the Dorado family

Aventon Pace 500 — Pace 500 (Gen 1), 500.2, 500.3 & 500.3 Step-Through
NCM Moscow / Moscow Plus — Moscow & Moscow Plus
NCM Aspen / Milano / Venice — Aspen, Aspen+, Milano, Milano+, Venice, Venice+ (and Miami)
Magnum (Scout / Ui6 / Payload / Nomad) — Scout, Ui6, i6, Metro, Payload, Nomad, Cruiser 2.0
Surface 604 — Surface 604 downtube models
VoltBike Yukon 750 — Yukon 750, Yukon Core, Bravo, Elegant, Enduro, Kodiak, Outback, Nitro
Addmotor M-5600 — Addmotor M-5600
Eahora AM100 / AM200 — AM100, AM200, M2S
Pedego Element V1 — Pedego Element (V1 only)
Rambo 750XP — Rambo 750XP
Ride1Up Core-5 / LMT'D — Core-5, LMT'D, 500-Series
ET Cycle T720 / T1000 — T720, T1000

Each page lists the verified specs, the cross-compatible models that share the same pack, and the wrong-fit hazards specific to that bike.