Before I fitted the electrical power meter I noted down some of the important components fitted on the PCB. They are as follows:

Holtek HT1621B – LCD Driver
Mixchips MXM11P62 – An 8-Bit RISC CPU with 24-Bit ADC
SunnyQi K24C02 – 2K Serial EEPROM
FQD 2N60C – N Channel MOSFET