Product Name: 3-string 12.6V 5A lithium battery protection module
Product model: HW-541
Charging voltage: DC 12.6-14V
Maximum operating current: 4~5A
Maximum instantaneous current: 6~7A
Battery over discharge voltage: 2.3~2.6V
Battery over discharge protection recovery voltage 4.1~4.2V
Battery over discharge current protection point: 5.5~6.5A
Battery overcharge protection voltage point: 4.2~4.3V
Battery overcharge protection recovery voltage: 4.1~4.2V
Product size: 40 * 15 * 1mm
Applicable selection: Suitable for lithium batteries with a nominal voltage of 3.7V and a fully charged 4.2V
(including 18650, 26650, polymer lithium battery)

Introduction (1) Product Description:
The product is used for charging/discharging three series connected lithium batteries (lithium-ion or lithium polymer batteries). During the charging and discharging process, it has overcharge protection, overdischarge protection, overcurrent protection, and short-circuit protection functions, which can be used with confidence. In daily life, common products that can use it include vacuum cleaners, massager battery packs; Backup power supply for LED lights, solar street light battery pack; Monitor backup power supply and other products.
ntroduction (2) Product Parameters:
Product model: HW-533;
Size: 50 * 16 * 1.0mm;
Charging voltage: 12.6V-13V;
Maximum working current: 10A;
Overcurrent protection: 25A;
Static current: less than 6uA;
Internal resistance: less than 60m Ω;
Overcharge voltage range: 4.25-4.35v ± 0.05v;
Overdischarge voltage range: 2.7-3.0V ± 0.05V;
Working temperature: -40—+50 ℃;
Storage conditions: -40–+80 ℃;
Effective lifespan: greater than 30000 hours;
Short circuit protection: capable of protection and delayed self recovery.



