What replacement battery fits the Hailong G56 / G70 / G80?

The Hailong G56 / G70 / G80 uses a 48V Reention Dorado-style pack. Match voltage, case length and discharge connector to your original — and check whether your bike uses a smart BMS, which requires an OEM-compatible pack.

What voltage is the Hailong G56 / G70 / G80 battery?

48 volts, verified across manufacturer specs and multiple replacement listings.

Hailong G56 / G70 / G80 Replacement Battery — Which One Fits?

Find your version

last verified Jun 2026

G-SERIES

Hailong G56 / G70 / G80

modern tray — recommended

case-ID guide

Voltage

48 / 52 V

Capacity

14 / 17 / 21 Ah

Case

Hailong G-series

Mount

4-hole, stronger tabs

Cells

G80 takes 21700

Discharge

beefier contact pins

⚠Always measure your pack before buying. These cases come in more than one length, and a wrong length will not seat. Measure your original end-to-end and match the discharge connector before you buy.

Schematic of a Hailong case e-bike battery case showing where to measure length, the connector, the voltage and model label, and the charge port. — Where to measure and check on a Hailong case pack.

Also fits

Cross-compatible models SAME PACK

Hailong No.2 / MaxG80 is the 21700 successor

Hailong No.1older tray — different mount

Do not use these

⚠ Wrong-fit hazards

Mixing G-series with older trays. The G56/G70/G80 mount differs from No.1/No.2 — don't assume cross-fit. Match the tray.
Connector mismatch. Confirm discharge pin count and charge plug against your original.
Cheap no-name cells. On a high-power tray especially, buy quality cells from a reputable seller.

Where to buy

Affiliate disclosure: some links below are affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. We are not paid to recommend any specific battery.

Replacement packs

For: Hailong G-series — match the tray, connector & voltage

Amazon

multiple sellers · check current price & reviews

Check price →

eBay

new & refurbished

Check price →

How this was verified

Sourcing. Specs for the Hailong G56 / G70 / G80 were cross-checked across manufacturer specifications, multiple independent replacement-battery listings, and first-hand owner reports on e-bike forums. Items marked "measure," "verify," or "check" depend on your specific unit and are not safe to assume.

verified — multi-sourceconfirm on your pack

⚠Lithium batteries can be dangerous if mismatched. This is sourced reference data with confidence levels, not a fitment guarantee. Confirm voltage, length, connector and BMS type against your own pack, and buy from a reputable seller. Read the safety guide →

Own one of these?

Help keep this page accurate. If you've replaced the battery on your Hailong G56 / G70 / G80, tell us what actually fit — your exact length, connector, or model year. We review every owner report and merge confirmed ones.

Owner reports are reviewed before any page is updated. Thanks for helping keep this accurate.

Which replacement battery fits a Hailong G56 / G70 / G80?