VariCore Protect 7.4 V 5200 mAh 8.4 V 18650 Li-lon Battery bike lights Head lamp special battery pack DC 5.5MM + 1A Charger VariCore Protect 7.4 V 5200 mAh 8.4 V 18650 Li-lon Battery bike lights Head lamp special battery pack DC 5.5MM + 1A Charger. Sale price : $8.81 Category : Consumer Electronics