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Using the correct charger is one of the most important factors in maintaining the health and lifespan of your lithium eBike battery. Our range of fast chargers covers the most common eBike battery voltages — 36V, 48V, 52V and 72V — in both DC barrel and XLR 3-pin connector formats, so you can find an exact match for your system.
All chargers in our range are matched to the correct full-charge voltage for each battery chemistry. Lithium cells charge to a higher voltage than their nominal rating — a 48V battery charges to 54.6V, a 52V battery to 58.8V, and a 72V battery to 84V. Our chargers are labelled and sold by their output voltage, not the nominal battery voltage, so it's important to select the right one for your pack.
The single most important rule when choosing a lithium battery charger is voltage compatibility. Using a charger rated for the wrong voltage — even slightly — can damage your battery management system (BMS), cause overcharging, reduce cell lifespan or in serious cases create a safety risk.
Use this as a quick reference:
36V battery → charges to 42V — use the 42V DC charger
48V battery → charges to 54.6V — use the 54.6V DC or XLR charger
52V battery → charges to 58.8V — use the 58.8V DC or XLR charger
72V battery → charges to 84V — use the 84V XLR 5A charger
If you are unsure of your battery voltage, check the label on the battery case or the product listing it was purchased from. Never assume — always verify before charging.
Our chargers are available in two connector types depending on your battery's charging port.
DC barrel (5.5 × 2.1mm) — the most common connector found on downtube and hailong-style lithium batteries. Compact and widely used across 36V, 48V and 52V packs. If your battery has a round charging port, this is likely your connector type.
XLR 3-pin — a larger, locking connector commonly found on triangle batteries, high-capacity packs and 72V systems. More robust than DC barrel connectors and better suited to higher current charging. If your battery has a 3-pin round connector resembling an audio plug, you need an XLR charger.
If you are replacing a lost or faulty charger, match both the output voltage and the connector type to your existing battery. Using an XLR charger on a DC port or vice versa is not possible without modification.
Browse our full range of 36V, 48V, 52V and 72V lithium battery packs — downtube, triangle and hailong styles.
Shop BatteriesBuilding a new eBike? Browse hub motor and Bafang mid-drive conversion kits from 250W to 8000W.
Shop Conversion KitsMessage us on WhatsApp with your battery voltage and connector type and we'll confirm the right charger before you order.
WhatsApp UsMatch the charger output voltage to your battery's full-charge voltage, not its nominal voltage. A 36V battery requires a 42V charger, a 48V battery requires a 54.6V charger, a 52V battery requires a 58.8V charger, and a 72V battery requires an 84V charger. The nominal voltage is what the battery is called; the charge voltage is what it actually needs to reach full capacity safely.
No. Using a charger with a higher output voltage than your battery is rated for will overcharge the cells, damage the BMS and can create a serious safety risk. Always use a charger matched exactly to your battery's charge voltage. Faster charging is achieved by increasing the charger's current rating (amps), not the voltage.
DC barrel connectors (5.5 × 2.1mm) are the small round charging ports found on most downtube and hailong-style batteries. XLR 3-pin connectors are larger, locking connectors more commonly found on triangle batteries and high-capacity 72V packs. The two are not interchangeable — you must match the connector type to your battery's charging port.
Yes. Using an incorrectly rated charger is one of the most common causes of premature battery failure. An over-voltage charger can damage or destroy the BMS and cause cell degradation. An under-voltage charger may not fully charge the pack or may not charge at all. Always verify your battery's charge voltage before purchasing a replacement charger.
Common signs of a faulty charger include the battery not reaching full charge, the charger light not changing from red to green, the charger running unusually hot, or no charge light at all. If your battery is not charging correctly, test with a known-good charger before assuming the battery itself is at fault. If you're unsure, bring the battery and charger to our Cardiff workshop and we'll diagnose it.
