USB Rechargeable Battery Upgrade

Upgrade your Monkey Light to USB!

Our USB Rechargeable Battery is an upgrade for any M204, M210 or M232 Monkey Light.  It's a light weight, high capacity battery with convenient USB charging.  Charge the battery indoors without removing your Monkey Light from your bike.

Kit includes:

  • USB Rechargeable battery capsule
  • Battery holder with screw cap
  • Installation straps
  • USB charging cable
  • 2 Year Limited Warranty

This product is currently only available in the USA and Canada. 

Join our mailing list to be the first to hear about future availability.


If you already have a Monkey Light AA battery holder installed on your wheel: Just pop out the inner AA capsule and insert our new USB Rechargeable battery capsule.

A replacement hub-mount battery holder is included in this kit.  It can be used when needed.


  • Works with: M204, M210, M232.
  • Battery type: Li-Ion Polymer Rechargeable
  • Battery capacity: 3.7V 1200mAh (4.44 Wh)
  • Charging: USB
  • Size: 72 x 52 x 34 mm
  • Battery weight: 83g

Other notes

This product would not be possible without the help of our Kickstarter backers.  Thank you!