It's an excellent battery for the SWYTCH Air Series, supplied in its original box. Range is pretty variable with these things, but I would estimate you'll comfortable get around 40 miles on this dependant on power assist and external temperatures.
SWYTCH Air Series Battery Controller Unit
SWYTCH Air Series Pedal Sensor Receiver
Swytch Max+ Plus Brompton Electric Kit – Fully Boxed – Excellent Condition
Ebike Battery 36v 5.2ah for Swytch Ebike Conversion Spare Replacement
Swytch Pro 2 spare battery and mount, no charger, 50km, good working condition
