Li-Ion Charger Protector 8.4V 20A

Li-Ion Charger Protector 8.4V 20A. Sold individually from Fix It Today's Singapore stock, ready for same-week collection or courier. Quantity shown is what is on the shelf; we restock from our supplier when it runs out. Popular with makers, schools and hobby projects using Arduino, micro:bit and ESP boards. Photo: Mamun2a, CC BY-SA 4.0, via Wikimedia Commons (File:3s 40a BMS circuit for 18650.jpg)