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The solar battery charger car has outstanding low-light level performance. With amorphous technology, it will continue to work, even in cloudy weather!
3.3watt Solar Trickle Battery Charger and Maintainer, 12V Battery Charger and Maintainer.
Solar charger is perfect for cars, trucks, motorcycles, campers, RV, boats, tractors, lawn mowers, farm equipment and any application where 12V battery is used.
If the batteries are short of power for a long time, the storage function of the batteries will be weakened, and even be dead.
The product is a solar charger maintainer and 12V battery charger, which can maintain the battery throughout the year.
Efficient solar panels absorb intense sunlight and convert it into electricity for transmission to 12V batteries.
Solar chargers don't consume battery power as they are equipped with reverse diodes that prevent the battery from discharging in reverse.The solar charger won't overcharge the battery or damage the battery.
（Please note）：solar charger can not achieve the charging result of AC charger, because it is generated power by sunlight. The charging effect depends on the power of solar panel itself，the intensity of sunlight and the duration of sunlight. So it's not a fast charger.
Please be very careful when connecting, and it is forbidden to touch the positive and negative poles of the battery to each other to avoid short circuits and accidents.
The solar battery charger is essential if your vehicles only occasionally used. It prevent battery from being dead when y want to use it.
It's designed to fully charge a battery and maintain it at a proper storage voltage with free energy source the sunlight.
The connector is one way to connect and disconnect, no need to recognize positive or negative, simple and easy to use.
The unit is maintenance free and will protect the battery against the discharge process that occurs naturally within a lead acid battery.
Note: In some makes of vehicles, the cigarette lighter may not operate when the ignition is turned off. If so, you can connect directly to the battery using alligator battey clamps and cables.
1. Will it overcharge? It can block reverse charging, how to prove?
Please be assured that the current of the solar panel is relatively small and it will not be overcharged. Built-in blocking diode, the indicator light works normally to prevent reverse charging.
2. What does the indicator light mean?
In the sun, normal output, the red light is on; the sun is weak, the red light turns amber or goes out; after using a cigarette lighter or alligator clip to connect the battery, the green light is on during charging; the polarity is wrong, and the light is off, please check whether the white wire (+) corresponds to the white wire (+), Whether the black line (-) corresponds to the black wire (-).
3. Can I charge a battery that is almost dead?
It is a trickle charger that keeps the voltage from dropping or recharges the battery, but it is not a fast charger and cannot charge a dead battery.Please use the AC charger to fully charge the battery before using the solar panel.
4. Can I stay connected while driving?
We do not recommend that you keep the connection while driving, uneven roads may cause the connection to loosen. If you really want to keep the connection, you can install the solar panel more firmly.
5. I measured a voltage of 20V, is this normal?
Please place the solar panel in a place where there is direct sunlight and no shadows, adjust the multimeter to DC 200V (direct current), and check the voltage. The sunlight is strong, and the open circuit voltage is generally above 20V. The open circuit voltage is higher than 12V to charge the 12V battery.
Thin film technology
Back current protection
Dimensions: 14 X 8.5X 0.8 in
Weight: 2.2 lbs
1* solar panel
1* 12V DC plug
1* alligator battery clip module
4* suction cups
1* user manual
Attention: It can't fill up empty batteries quickly.
|1.8 watt||3.5 watt||3.3 watt||9 watt||20 watt|
|Rated Power||1.8 watt||3.5 watt||3.3 watt||9 watt||20 watt|
|Cell Type||Amorphous||Polysilicon||Amorphous||Monocrystalline silicon||Monocrystalline silicon|
|Installation||Suction Cups||Suction Cups||Suction Cups||Suction Cups||Screws|
|With Charge Controller||NO||NO||NO||NO||✓|
|Weather Condition||In any weather||Under strong sunlight||In any weather||Under strong sunlight||Under strong sunlight|
|Dimensions||13.8 X 4.9 X 0.6 in||13.8 X 4.9 X 0.6 in||13.8 X 8.7 X 0.6 in||13.8 X 8.7 X 0.6 in||16.3 X 15.3 X 0.8 in|