Tactacam Reveal 4.0 Lithium Cartridge 10k mAh 2 pk. Built-in lithium-ion battery: 10,000 mAh @ 7.2V;Battery configuration: Four 21700 cells;Twice the capacity of the FlexPack R5;Replaces up to 2,000 AA batteries;Quick-swap installation and removal;Durable, weather-resistant construction;Compatible with REVEAL Pro 4.0, REVEAL X 4.0, REVEAL Pro 4.0 Solar;Output plug: DC barrel jack;Dimensions: 3.70"x2.83"x2.80";Weight: 15 oz;Includes: FlexPack R10, USB-C charging cable;2 packtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 4300 Product Group Code: 4300C Product Sub Group 1: 4300C4 Inactive: No