Charging Nimh From Solar Panel

Solar aa nimh battery charger step 1.

Charging nimh from solar panel.

To charge a battery with a solar panel connect a charge connector to the solar panel. The solar panel is rated at 1 w with a max load voltage of 6 4 v and the product page is here. You now have the complete design for your own solar charger. Charging nimh battery with solar.

Here we put the solar power supply together. Then run wires from the battery to the charge connector making sure to match the positive and negative poles. If you have a solar cell that doesn t need. Charging 12v 6amp nimh battery with solar panel.

Solar charging for load connected nimh battery. Solar trickle charging nimh aa batteries. This is pretty simple and you don t need much. I m not worried about maximum number of charging hours because sunlight isn t going to exceed 20 hours in chicago.

The slightly lower voltage is not surprising because the solar charger was designed to end the charge cycle 30mv under max voltage. The solar charger batteries had an average voltage of 1274mv and the duracell charger batteries had an average voltage of 1295mv. I haven t tested it too extensively and it s. For nimh cells the maximum charging voltage is 1 6 v and the maximum current rate is 0 05 c for up to 20 hours.

The battery capacity is 2450 mah with a nominal 1 2 v per cell and the datasheet is here. For a three pack that would be 4 8 v 3 1 6 v and 125 ma 2500 mah 0 05 c 125 ma.