Charging And Battery Level Indication - PowerTech MB3740 User Manual

Step 2: Clamp the other end to the battery terminals. Reverse polarity connection
on battery is NOT allowed. It is very dangerous.
Step 3: After car started, please disconnect the battery terminals first, please do
NOT short circuit.
Step 4: Please disconnect the cable from MB3740.
The car starting socket carry high current (250A)!
Short circuit and reverse polarity of the battery can NOT be used under any
circumstance. This operation may damage the battery and cause a fire hazard.

5.1 Charging and Battery Level indication

LCD display will shows current battery level, Please press LCD display button to
turn on LCD display backlight. It will last 20 seconds.
A. "Full" means the battery is fully charged
B. "20" means battery is very low, please charge the battery
C. "0" means battery is flat
CAUTION!
5.0 LED Indications
5.1.1 LCD displays
Powered by