Type: Li-Ion Nominal Voltage: 3.7v 3.6v Size: 18*65mm Nominal Capacity: 40ah battery: lithium ion 24v battery packs OEM: design battery according to your request Factory: China battery manufacturer Application: mod e-cig cigarette Sample: available for your testing Lead time: 10-15days A grade: Japanese, Korea Cells Service: Fast response and delivery Origin: China