Below are some key facts about Sur Ron Light Bee X OEM batteries.

1. **Type of Battery**: The Light Bee X uses the usual **72V lithium-ion battery**. This kind of battery is common in most electric bikes in these modern times, and very powerful and efficient.

2. **Capacity**: The capacity of the battery is something around **32 Ah**, enabling a total energy return of about **2304 Wh (Watt-hours)**.

Thus, it can facilitate a range of about **60-90 km** depending on ground topography, rider weight, and riding conditions.

3. **Charging Time**: The charging time is around **4-6 hours** with a standard charger, depending on the charge level of the battery.

4. **Voltage**: The system operates at **72V**, having a DC charging port by default.

5. **BMS**: The Light Bee X comes with the module of BMS, which is capable of checking health, voltage, and temperature in batteries for safe charging/discharging to extend the life of the battery with efficient performance.

6. **Swappability**: For a bike like the Sur-Ron Light Bee X, the main feature would be its detachable battery, which is very handy for long rides and makes charging easier.

7. **Weight:** The battery is relatively light for its capacity, at about **15-17 kg** (dependent on the exact version and configuration).

If you want to replace the OEM battery, then you need to buy a genuine Sur-Ron battery, since compatibility and performance are critical to retaining the capability of the bike.