The one without the light is completely weatherproof.
Voltage of a 2 watt solar panel battery maintainer.
The 2 watt 12 volt solar battery maintainer comes in 2 generations one with a little blue light on the frame and one without.
Strongway amorphous solar panel battery maintainer kit 2 watts.
Nature power 2 watt solar battery maintainer takes the sun s energy and turns it into electric current and delivers a small current to your rechargeable 12 volt batteries to promote the longevity and health of the battery.
No more dead batteries.
To measure the voltage of the panel use a voltmeter.
The current will compensate for small key off draw on your battery from items such as displays stereo and alarm systems.
The strongway amorphous solar panel battery maintainer kit allows you to use the power of the sun to maintain the battery in cars atvs.
The coleman 2 watt solar battery maintainer works in all lighting conditions even on cloudy days.
The open circuit voltage reading should be between 16 and 25 volts in full sun not connected to the battery.