Protection Circuit Module ( PCB ) for 14.8V Li-Ion Battery Pack (4 cells with 6.5A limit ) - Protective PCB for Lion Battery Packs

Connection Instruction

Port # Connection
B+ To battery (+)
B- To battery (-)
P- Output (+) r Charger (+)
P+ Output (+) r Charger (+)
B1- To battery 3 (+) and battery 4 (-)
B2- To battery 2 (+) and battery 3 (-)
B3- To battery 1 (+) and battery 2 (-)

Technical Specifications

Overcharge Protection voltage	4.35V +/- 0.025V per single cell
Overdischarge Protection voltage	2.4V +/-0.08V per single cell
Overcurrent detection Protection	6.5 A (max) at 16.8V
Continuous working current	3.0A (max) at 14.4V
Over-charge protection response time	1 second (typical)
Over-discharge protection response time	0.1 second (typical)
Current consumption	30uA (max)
Idle current	0.1uA (max)
Internal resistance	130 m-ohms
0V charging capability	Yes
Working temperature	-40 ~ 85 C
Dimensions	Length 50+/-0.3mm Width 16+/-0.2mm Thickness 3.5mm (max)

Application Notes
Do not subject the PCB to Input voltage over 20V. Input voltage over 20V will damage the PCB

Please use the compatible charger for your battery pack. Special attention to your Input and output voltage, current to avoid PCB damage

When mixing over-charged batteries and over-discharged batteries together, PCB will be in dual state of over-charging and over-discharging. In this situation, charging and dis-charging are both disabled

Internal static charge protection circuit built into the PCB. But not subject the PCB to high static charge to avoid damage.

Without the written agreement from us, please don't use this PCB for application in medical instruments, emergence devices, auto and airspace vehicles or other device that might have impact on human body.

Because of the very high energy density, Li-Ion Battery pack must be connected to a protection circuit module to prevent accidental battery explosion caused by over-charging or over-discharging.