Red light=lithium ternary battery. 1: Press and hold the key for 2 seconds to enter the setting state: the mode light (battery 1 type) flashes, and the string number light is always on; Briefly press the key to select the battery type.
18650 battery charger lithium battery charger Universal Intelligent USB AA AAA for 3.7V/3.6V Rechargeable Li-ion/Ni-MH/Ni-CD 18650 18350 17500 18490 17670 16340(RCR123) 14500 14650 26650 22650
Youmile 2 pcs 3S 2A Lithium Battery Charging Board Type-C USB 18650 Li-ion Lithium Battery Charger Module Boost Converter 12.6V Charging Protection Board with Type-C to USB cable red and black cable
Youmile 2 pcs 2S 2A Lithium Battery Charging Board Type-C USB 18650 Li-ion Lithium Battery Charger Module Boost Converter 8.4V Charging Protection Board with Type-C to USB cable red and black cable
YONII D4 4 Slot For 18650 21700 26650 Lithium W0A8
5v~30v Battery Capacity Meter Discharge Tester 18650 li-ion lithium Lead-acid
18650 Li-ion Lithium Lead-acid Battery Capacity Meter Discharge Tester Analyzer