Kastar 4-Pack 3.7V 1300mAh Rechargeable Li-ion Batteries with LTD2 USB Charger - Compatible with SP-Gadgets POV Light & Powerbar Duo - Perfect for Action Cameras, Bike Lights & Portable Power Banks

Kastar 2-Pack 3.7V 1300mAh Replacement Battery with LTD2 USB Charger for SP-Gadgets POV Light & Powerbar Duo - Perfect for Outdoor Adventures, Camping, and Emergency Lighting