Smart Cell & Pack Introduction
◆ Battery Configuration
1-1 Serial Configuration
: Connecting cells in serial configuration (increases the voltage)
- The voltage will be increased by three times.
- The current remains the same.
Figure 1 shows a battery pack with 3 Lithium Ion cells in series. Adding cells in a string increases the voltage (10.8V) however the current remains the same (1000mAh).
1-2 Parallel Configuration
: Connecting cells in Parallel configuration (increases the current)
- Voltage will remain the same.
- Current will be increased three times.
Figure 2 shows a battery pack with 3 Lithium Ion cells in parallel. The voltage remains the same (3.6V) however the current handling is increased.
1-3 Serial, Parallel Configuration
: Connecting cells in both serial and Parallel configuration (increases the current as well as voltage) Mainly for Notebook
- The voltage will be increased in accordance to the configuration.
- The current will be increased in accordance to the configuration.
The configurations will not affect the overall power but provide the most suitable voltage and current
◆ Smart Battery Pack
: Composition - PCM(Protection Circuit Module) + Gauging(Smart Circuit)
◆ Protection Circuit Board
: Never charge or discharge the battery without connecting appropriate protection circuit. The function of the Standard Lithium Ion Cell PCM are as follows:
1) Protect against over charge
The PCM will automatically terminate the charging process once the maximum charging rate has been exceeded.
2) Protect against over discharge.
The PCM will automatically terminate the discharging process once the maximum discharging rate has been exceeded.
3) Over current charging and Over current discharging can be avoided.
Over current charging and Over current discharging can be avoided.If irregular voltage rating is being applied in the process of charging and discharging, the process is automatically terminated by the PCM.
◆ Smart PCM
: Smart Rechargeable Pack transmits information to the charger through SMBUS technology for the charger to charge in accordance to the specifications and the characteristics of the battery pack. Moreover information such as the remaining current and cycle life is transmitted to the pack through the tracking device which will ensure accuracy and safety.