The cover came off of the battery for my Canon 7D Mark II. I figured I’d post some photos so others can see it’s guts.
Panasonic Energy (Wuxi) Co., Ltd.
DC 7.2 V (3.6 x 2)
1865 mAh (Li-ion) 14Wh
Two Panasonic NCR18500A batteries marked Li-ion MH12210. Dimensions: 18.5mm (0.71″) Diameter X 65.3mm (2.56″) Long. Battery form factor: 18650. Battery core: LiNiCOMnO2
Control board marked – FBJ4A 1