One PCB protection board (Printed Circuit Board) is a type of circuit used to control and protect electrical equipment. A BMS (Battery Management System) board module is a type of circuit used to monitor and protect lithium-ion batteries. A PCB protection board for 3 lithium batteries BMS board module would be used to monitor and protect 3 lithium ion batteries. It could include functions such as state of charge monitoring, overcharge and deep discharge protection, and temperature and current monitoring. HX-3S-FL25A-A 11.1V 25A PCB Protection Board for 3 18650 Lithium Batteries Usual high quality and fast delivery directly from Germany by ordering from AZ-Delivery! Of course you will receive when buying through AZ-Delivery fully automatic and guaranteed also a Invoice incl. VAT and according to German standards Guaranteed ROHS conformity Through purchase from German dealer https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2021-04-21 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2021-10-31 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2021-11-01 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2021-11-26 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2021-11-27 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2023-04-04 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2023-11-24 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2024-03-22 https://elecena.pl/product/17814255/pcb-protection-board-for-3-lithium-batteries-bms-board-module 2024-04-10