So while PV modules continue to increase in output, portable 40 watt solar panels remain appealing for people who do not need a lot of power. If you have reasonable expectations, this panel can charge.
[pdf] 12v batteries are rated to be charged at 12v or a maximum of 14 volts depending on the type of battery and its state of charge. A fully drained battery will accept higher voltage but as the battery will g.
[pdf] NiMH (nickel-metal hydride) and NiCad (nickel-cadmium) batteries are two of the most challenging batteries to charge properly and safely. These nickel-based batteries do not allow you to set a maximum char.
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