Magicshine® MJ-6112 7.2V 2.6Ah USB Battery Pack –Round Plug

4.5 out of 5 based on 2 customer ratings
(2 customer reviews )


Magicshine USB rechargeable battery pack for all round plug lights.

  • 2*18650  cells, 7.2V  2600mAh capacity
  • 5.6×2.1mm round plug standard
  • Compatible with all Magicshine lights with matching round plugs
  • Recommended for smaller bike lights MJ-900/900B
  • Traditional A/C wall charger and USB rechargeable
  • IPX 4 waterproof rating
  • Battery cable can be removed easily and replaced with waterproof silicon seal cap.


1 in stock

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MJ900B USB rechargeable battery

2*18650 Li-ion cells,7.2V 2.6Ah MJ-6112

USB rechargeable battery pack, it serves as a portable USB power bank for small USB devices such as your phone or cyclometer/GPS.  Charging a device is accomplished by connecting a device to the output USB and pushing the check button.  This button also serves to illuminate three green LED indicator lights which display the remaining charge of the main battery.  Additionally, the battery and power cord can be separated (a dust cover is included to prevent damage to the contacts) and the battery becomes even more suited as a portable USB charger. IPX4 water rated meaning your battery can stand up to light to medium rain without any issues. For the 4 cell version of this USB rechargeable battery please see MJ-6116

Operating temperature 14-104F Discharge temperature 50-104F

Size:42.5x30x123mm Weight:167g

Compatible with ALL Magicshine bike lights with Round Plug, recommended for smaller lights MJ-900 and MJ-900B.

The battery is more ergonomic and straps neatly to your frame using a nylon strap

The new waterproof battery compartment design and high quality and large area silicone non-slip mat

All Magicshine batteries include a circuit with over-charge, over-discharge and short circuit protection meaning you can be sure that your Magicshine battery is safe to use and charge.

Additional information

Weight 12.88 oz
Dimensions 6.73 × 1.45 × 1.54 in

7.2V 2600mAh USB rechargeable

Plug type

5.6×2.1mm round


USB or Charger

Net weight

167g (5.9 oz)

Customer reviews

Rated 4.5 out of 5 stars
2 reviews
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2 reviews for Magicshine® MJ-6112 7.2V 2.6Ah USB Battery Pack –Round Plug

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    Questions and answers of the customers

    1. 0 votes

      Yes, as long as the title says round plug, it will work with all previous generation lights with the same plug type. Please note it's the round shaped plug with a single pin in the middle. 

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