4400mah Rechargeable Battery Pack For Magicshine Bicycle Led Light/lamp Mj-870/mj-808/mj-808e/ct-808/mj-6008/mj-828/mj-6002 - Digital Batteries - AliExpress
Magicshine - How to replace MJ-886 headlamp battery - YouTube
Amazon.com: Magicshine Bike Light Battery MJ-6112, 6116, 6116C, 6118 USB Rechargeable Battery Pack for MJ-900/906, Monteer Series MTB Lights, 7.2V High Capacity Li-Ion Battery Pack (6112 (2600mAh)) : Sports & Outdoors
FAQLoad - Magicshine (clone) battery repair
Magicshine® MJ-6116C 7.2V 7.0Ah USB Battery Pack –Round Plug - Magic Shine UK