Question about Projection Televisions
I don't understand why this is under projection TV's myself. Maybe I missed something, but here goes the explination.
NiCad, or Nickel Cadmium batteries are really touchy with charging. Overcharging and undercharging really hurt their overall lifespan. Also, recharging with a partial charge left in the batteries can cause a decrease in life as well.
Best ways to maintain a Nickel Cadmium Cell is to follow the following instructions.
1 : Always make sure the first charge is as recommended by the manufacturer. Usually about 1.5 times as long as a normal charging cycle.
2 : Run the cells completely dead before attempting to recharge. This keeps the cells from having left over power and actually short charging.
3 : Never under or over charge these batteries. Always follow the exact instructions for the cells you're using. This will keep a high lifespan over the lifetime of the cell.
Now these batteries gain a memory in "lost charge" times. You can somewhat gain some time back by following those steps, however once they are shot; they are pretty much done. If they won't hold a charge for more than a few minutes, it's time to replace.
A good alternative however if you can change over to NiMH or Nickel Metal Hydride type batteries. These batteries have no memory and the cells will last through more charges then the elder NiCD style. These cells are much more reliable and can take a lot more abuse then NiCD.
Posted on Sep 25, 2008
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