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The 4 kWh battery in the Metacycle is a 72 V 54.4 Ah NCM lithium battery pack. SiAECOSYS advertises it as a 100 A continuous, 250 A peak draw. Internally, there is a 300 A fuse. The BMS uses CAN bus communication.
It is believed that the battery is built by Greenway. Farasis brochure.
For the longevity of your battery, follow these general lithium battery guidelines.
If storing for extended periods of time, disconnect the battery so the Metacycle's alarm module doesn't overly drain it.
Do not charge the battery when it is cold. Lithium batteries can be permanently damaged when charged near freezing (32° F) temperatures or lower.
When reconnecting your battery, attach your charger or the battery activator to power the solenoid, allowing power to transfer to the controller and the motor. You'll hear a click inside the bike when you do.
Battery Removal Steps
Remove two T40 bolts from battery cover (the side without a charging port).
Push up and pull out to remove the cover.
Remove two T50 bolts from battery brackets and remove the brackets.
Disconnect orange wire and nudge battery out.
Disconnect black wire and nudge battery out.
Disconnect the harness.
Remove battery.
Installation of the battery is the same process in reverse. Sliding the battery into the compartment can be tricky because the battery might tilt or jam while being inserted.
The Metacycle comes with a charging cable that allows the battery to connect to the charger directly. It attaches to the harness port.
The battery compartment also hides a 5 A blade fuse. One owner found this when diagnosing a problem.
Another owner kindly took a photo of the battery internals, showing the 300 A fuse in the upper left. It is an ASTM A2209-300 fuse. People have reported drawing more than 300 A for shorter time periods, so it's believed that this is a slow-burn fuse.
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