Nitecore F1 powerbank equipped battery charger, Nitecore NL189 3400mAh 18650 rechargeable Li-ion battery with EdisonBright brand BBX3 Battery case bundle Compatibel with battery types: 26650/18650/17670/18490/ 17500/17335/16340(RCR123)/ 14500/10440 Ideal for storing power from portable solar panels. Weigh only 1.07oz (without battery) Use as a powerbank in conjuction with a compatibel battery Bundle comes with a EdisonBright BBX3 battery carry case