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Thread: Solar deck light batteries

  1. #1
    Unenlightened
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    Default Solar deck light batteries

    I just built a deck at my fishing camp and I want to use those solar post cap lights. What type of battery should I use for wintertime as I won't be there. .....or should I just take the batteries out??

  2. #2
    *Flashaholic* Lynx_Arc's Avatar
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    Default Re: Solar deck light batteries

    Quote Originally Posted by johncran View Post
    I just built a deck at my fishing camp and I want to use those solar post cap lights. What type of battery should I use for wintertime as I won't be there. .....or should I just take the batteries out??
    Use the battery type the solar lights have in them as the solar cell has a charging circuit set for a particular battery type/voltage.
    You can use NIMH instead of Nicad but it may not have the same longevity.
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  3. #3
    Flashaholic
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    Default Re: Solar deck light batteries

    Quote Originally Posted by johncran View Post
    I just built a deck at my fishing camp and I want to use those solar post cap lights. What type of battery should I use for wintertime as I won't be there. .....or should I just take the batteries out??
    You could remove cells from the lights over winter, although with good-quality NiCd or NiMH cells and proper charging circuits in the lights, should generally be OK. I have a solar planter which has been running for years on the same two NiMH AA, including some winter days down to -30C and below. Also, a small spotlight with 3xAA NiCd which has been good over the last couple of years. Some solar lighting uses Li-ion (such as 18650 cell) which I would not subject to cold weather much below freezing regardless of what they might claim. I think Lithium Iron Phosphate LiFePO4 might be OK but check first if it's a factor. Dave

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