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3s 20a 18650 Li-ion Lithium Battery Charger Protection Board 10.8v 11.1v 12v 12.6v Electric 15a Lipo Bms Pcb Pcm With Balance - Integrated Circuits - AliExpress
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LTC1733: Thermal Regulation Maximizes Lithium-Ion Battery Charging Rate Without Risk of Overheating | Analog Devices
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