Sell W209 PRO Battery Charging Activation Board, W209 Pro Mobile Phone Battery Activation Board, Built-in best price

Voltage current meter function, during maintenance of phone, can powered by USB connection, accurate detection of the charger voltage and current value, judge whether the performance of the charger and the charging cable meet the requirements, can measu Intelligent identification of positive and negative poles, because smartphone manufacturers are different, leads to universal mobile phone battery interface, output positive and negative different, power supply opposite, product can automatic identify po Large current overload protection function, product designed protection current not exceed 2.7A, when accidentally connected to high voltage, protection plate will automatic cut off the power supply, avoid unnecessary losses, will take a few minutes to r Voltage and current dual LED display, with voltage, current real time display, when battery plugged in, shows the voltage of the battery, when plugged in, voltage at the power supply displayed and the current is the load current. Bottom sponge buffering cushion, PC board bottom using a layer of thick sponge as the bottom button above the battery, effectively alleviate the strength, prevent PC board serious stress damage.