RT9536 - Linear Single Cell Li-Ion Battery Charger IC for Portable Applications | Richtek Technology
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Multi Cell 2S 3S 4S Type C To 8.4V 12.6V 16.8V Step Up Boost Li Ion Charger 7.4V 11.1V 14.8V 18650 Lithium Battery Charger|Instrument Parts & Accessories| - AliExpress
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