18650 micro usb batteries, 18650 battery with micro usb port,
keeppower intelligent Li-ion battery charger L2 2 port 1a with LCD display
KeepPower - Specialist in High End Lithium-ion Power Solution
Amazon.com: Keeppower USB Rechargeable Li-ion AA Batteries 3390mWh Double A Protected Lithium Battery 1.5V 2260mAh High Capacity Fast Charge Included with a 4-in-1 Charging Cable (Pack of 4) : Health & Household
KeepPower L2 Plus li-ion battery charger 5v 2amp Usb Charger