Amazon.com: Compact 18650 Battery Storage Case Holder Organizer, Hard Plastic Battery Box for 6pcs 18650 Batteries, Water-Resistant and Easy to Carry : Electronics
3.6V 3350mAh 1S1P 18650 Cylindrical Li-Ion Battery Pack with options for connectors, housings, contacts or solder tables, now IEC621333 certified, Model BL3500C1865001S1P****** (1INR19/66) | GlobTek