18650 charger IC

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ADP2291 Compact, 1.5 A Linear Charger for Single-Cell Li+ Battery Linear 1 Li-Ion 4.2 1 9mA -40 to +85 °C LFCSP-8; MSOP-8 $1.12

Im not sure how much your buying for $1.12

9mA ?????

For 18650 , you may wish to look at the Shekor for $10 shipped ...
 
i got a few charging IC's on ebay, but the most low-cost and effective ive found is the TP4054, already soldered on small board with USB connector.

just solder 2 wires and good to go ;)

current can be up to 800ma if you change the resistor.

i got also others "standalone" IC's, but is hard to solder on small boards. so i choose the "pre-assembled" ones.
 
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