Another route to charge Solar remodel battery contained by Winter? Excpet the sun is there any other style to charge the batteries...

Excpet the sun is there any other style to charge the batteries of solar lanscape lights?
I bought some and it is cold and drizzly they never charge.
I was thinking roughly a charger but I can't just use a simple one to charge the Malibu battery right?
Any suggestions?
Answers:    The batteries contained by Malibu solar fixtures are generally typical AA size Ni-Cad battery. They can be charged in any mobile charger rated to toy with Ni-Cad batteries.

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I would stay away from any batterer charger because the battery have a long slow charge cycle. Bring them surrounded by the house then put them surrounded by a strong light source. It can't rainfall for ever.