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Living with Off-Grid Solar Power

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Considerations When Selecting Appliances
for Off-Grid Living:

Rechargeable Batteries

    DeWalt 18V XR2 rechargeable battery Use rechargeable batteries as much as possible in your battery operated appliances such as flashlights, radios, etc. If you recharge the depleted cells on a sunny day, you will be using essentially 'free' power.

    AA size NiMH rechargeable battery Both NiCd (nickel-cadmium) and NiMh (nickel-metal-hydide) cells are useful. NiMh cells have no 'memory' effect and can be recharged at any time with no potential loss of capacity. NiMh cells also have a slightly higher output voltage and tend to have higher capacity ratings for the same size than NiCd cells.

    AA size NiCd rechargeable battery On the other hand, NiCd cells exhibit lower self discharge and are thus best suited for items utilized in a stand-by function. NiCd cells do need to be periodically conditioned by being fully discharged in order to avoid a reduction in capacity.

    Maha Battery Charger A high quality 'smart' charger such as those sold by Maha can charge both NiCd and NiMh cells, and will properly condition, charge and maintain your rechargeable cells.


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Last update: 5MAY2003

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