Product description
This protection board cannot be used for lithium iron phosphate batteries, hernia lamps, hand-drill battery packs, electric fish machine battery packs, electric bicycle battery packs, children's car batteries, motors above 775 (4A), 1W fisheye LED lights, for the above Please pay attention to customers who purchase in combination!
The properties of the lithium battery protection board:
Overcharge voltage range: 4.25-4.35v±0.05v
Over discharge voltage range: 2.5-3.0v±0.05v
Maximum working current: 5A
Working temperature: -40---+50℃
Maximum instantaneous current: 7A
Storage conditions: -40-- +80℃
Quiescent current: less than 10uA
Effective life: more than 50000 hours
Internal resistance: less than 300mΩ
Short circuit protection: can be protected, need to charge to restore
Charging voltage: 8.4v-9v
Description of welding point:
· B+ is connected to the positive electrode of the battery;
· B- Connect to the negative pole of the battery;
· MB is the connection point between battery 1 and battery 2;
· P+ is connected to the positive terminal of the charging/discharging terminal (the charging terminal/discharging terminal is shared);