2pcs 3.7V Li-on 900mAh Backup Rechargeable Battery for SJ4000 SJ 4000 Camera Sports Action Camera Accessories

Specification: 

Sj4000 original battery， quality assurance.
Perfectly suitable replacement battery.
3.7V-Li-ion Battery 900mAh
High capacity sufficient. 
 
Package Included: 
 
2 x Sj4000 lithium batteries
(camera is not included)
after-sales
';