PowerTech MB4102 Instruction Manual page 9

Solar Charging
Use the included solar cable to connect a 12V solar panels to the device. Up to 3
standard solar panels can be connected.
NOTE: When using a suitable solar panel to charge this product, please make
the connection according to the user manual specifications.
WARNING: Before connecting the solar panel, please confirm that the output
open circuit voltage specification of the solar panel is within 80V to avoid
damage to the product.
Car Charging
Use the car charger port of your vehicle to charge this. At the same time, ensure
that the car charger port and the cigarette lighter of the car charger input cable
are in good connection.
NOTE: For protecting the car battery from losing power and unable to start, it is
necessary to use the car charger to charge after the car is started.
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