Main IC using original “precision” imported components. With overcharge, over-discharge, over current, short circuit protection function, for a variety of different shapes of 3.7V capacity lithium batteries. Compact size, suitable for many requirements of high integration, low-cost occasions, can meet the performance requirements of many aspects, to ensure the absolute safety of the battery group.
8.4V 2 string 7.4V Lithium Battery Stack Protection Board overcharge Over-discharge protection Maximum 5A working current 7A current-limiting
2 series 18650 battery 8.4V 7.4V
Lithium battery protection board
Comes with: overcharge, over-discharge, over current, short circuit protection
18650 Lithium-ion battery stack essential!
Over voltage range: 4.25-4.35v±0.05v
Over discharge voltage range: 2.3-3.0v±0.05v
Maximum operating current: 3A
Operating temperature: -40°C~+50°C
Maximum instantaneous current: 5A
Quiescent current: less than 3uA
Effective life: more than 50000 hours
Resistance: less than 45m ohm
Short circuit protection: Can protect, need to charge recovery
The protection board size and device description;
The protection board size is38*8*2.5mm
Welding point description:
B+ Connect positive electrode;
B – connect battery cathode;
MB connect the battery 1 and battery 2 before the connection point;
P+ charge / discharge end positive electrode (charge end / discharge end sharing);
P- charge / discharge end negative (charge / discharge end).