Kastar 1-Pack Battery and AC Wall Charger Replacement for SJCAM SJ4000, Pruveeo DV200 Waterproof Sports Action Camera with WiFi, 4K Video Camcorders, Eken PG1050, SJ4000B, Qumox BAT-412 Battery - Walmart.com
Battery or USB dual charger for SJCAM SJ4000, SJ5000 and 1080P 4K Action Camera | eBay
Sjcam 3.7v Li Ion Battery 900mah 3.33wh | Battery Sjcam Sj4000 Sj5000 M10 - 2pcs - Aliexpress