2550 mWh Lithium-ion battery 1500x rechargeable USB-C rechargeable 4-1 charging cable with USB-A Separate USB-A to USB-C adapter included 4 batteries per pack
AAA Batteries
900 mWh Lithium-ion battery 1500x rechargeable USB-C rechargeable 4-1 charging cable with USB-A Separate USB-A to USB-C adapter included 4 batteries per pack