Custodia staccabile fai da te per 4 pezzi 18650 batteria shell box power bank scatola caricatore USB
JBD Smart BMS Match Lifepo4 Protection Communication Bluetooth Module For Phone. DIY Power Bank For 4/6 x 18650 Battery Slot Case Charging Box Holder Case USB 5V. Battery type: 18650 battery (not included).