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NiMH (Nickel Metal Hydride) rechargeable batteries are here for garden solar lights!

Posted By: Mario Villalobos on November 28, 2014 in Latest Technology, Solar News - Comments: 3 Comments »

Everyone is talking about it and few have the answer to “where can I get some?”  Well, they have now been added them to the online store at www.yoursolarlink.com.  What are they?  Nickel Metal Hydride (NiMH) rechargeable batteries for garden solar lights!  And these are THE best deal anywhere.  Only $20 for 10 rechargeable batteries (that’s 2 bucks a battery) delivered!

NiMH Rechargeable Batteries for garden solar lights.

NiMH Rechargeable Batteries for garden solar lights. Image courtesy of www.yoursolarlink.com.

The current stock of NiMH solar light batteries consists of AA NiMH 600 mAh 1.2 Volt rechargeables.  Why are NiMH so popular?  It’s like this:

1.  No memory effect.  That means that they will charge to their rated capacity for the duration of their life cycle (about 2 years) in full sunlight.  NiCd batteries will develop a memory of charging to lower capacities during cloudy days  (say, it’s sunny for the first couple of hours then a storm moves in, thus only getting enough charge for part of the evening).  Then, on the next sunny day, the battery will have a lower capacity (ceiling) to which it will charge.  Thus, a memory of only being able to charge to 80% (for example) of its intended capacity.

2.  No Cadmium!  Cadmium is considered a toxic element and needs to be disposed of properly via recycling services.  Many stores (Target, Staples, Best Buy, etc.) often offer receptacles at their stores where they accept batteries for disposal/recycling.  This is the sure way to divert the Cadmium batteries from landfills.  NiMH rechargeable batteries can discarded in the trash, but it is of course best to recycle them as with their Cadmium counterparts.  Why use Cadmium batteries?  They are cheaper than Metal Hydrides and are more readily available at many online stores…. until now!

3.  NiMH can replace NiCd batteries for solar garden lights.  Just be sure that if your light uses 2 or more batteries, then use 2 or more NiMH rechargeable batteries to get your lights energized.

4.  Metal Hydrides are typically more expensive than Cadmium batteries, but not at Your Solar Link.  They are the same price!  So, you will be getting a superior battery at the same exact price, no strings attached.

10 pack of NiMH rechargeable batteries from Your Solar Link.

10-pack of NiMH Rechargeable Batteries from Your Solar Link. Image courtesy of www.yoursolarlink.com.

These batteries go fast, but Your Solar Link is constantly replenishing their stock with NiMH rechargeable batteries and will be adding various mAh ratings soon.  If they are sold out, just send them a quick message that you would like to get on the list to expedite processing for the next shipment.

Cheers from Your Solar Link!

Solar on!

Mario

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  1. James Phiney James Phiney says:

    Many thanks for sharing valuable info about NiMH rechargeable batteries.

  2. Gerald Fowler Gerald Fowler says:

    My solar light batteries (from Plow and Hearth) are # 14430 500mAh 3.2V. I bought Duracell LifePO4 14430 400mAh / 1.28Wh at Lowes and they are not working. Do you have the NiMH batteries that I would need to get my lights working again? If so, would you please tell me what I should order.
    Thank you.

    • Hello Gerald,

      It sounds like you purchased the correct size, chemistry and Voltage batteries for your lights. However, as you have gone down in the mAh capacity, there is the potential that the batteries could overcharge. This specification (mAh) is the amount of energy a battery is capable of storing on a full charge. Since your solar cell size will determine how much energy is capable of transferring to the batteries, the manufacturer had put the optimum battery (500mAh) in the light. However, the lights should still have illuminated (we are not sure how many cycles of charge/discharge it would take for Lithium batteries to fail when dropping mAh capacity), especially on the first few nights.

      A common issue with the lights not working is that there could be a break between the components. First, there could be a loose wire between the solar panel and the battery that will result in no energy transfer during the day into the battery. Second, there could be a break in the connection between the battery and the LEDs (thus, no delivery of electricity at night when the LEDs will draw energy from the battery). And finally, there is a possibility of a damaged circuit board (again, a broken connection or permanent weathering damage somewhere on the board).

      If the lights didn’t work on the first night after putting in the new batteries, then it may be a broken connection between the battery and the LEDs. Most rechargeable batteries on the market come pre-charged (with some energy loss/drainage from the time of production to final installation into a solar light). If your lights did work for the first night or two after the installation of the new batteries, then it is most likely an issue of a broken connection between the solar panel and the battery as the LEDs would use whatever pre-charge was left on the battery from the factory.

      The batteries you ordered are a fractional size AA (specifically, 4/5AA) and we will be carrying them shortly on our site. But again, it sounds like you have the correct batteries for your lights, so it may take a little investigating into the connections of your lights before ordering any more batteries.

      Hopefully this helps and that you are able to get your lights up and running again soon.

      Cheers,

      Mario @ Your Solar Link

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