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General control line discussion => Open Forum => Topic started by: Steve Helmick on November 22, 2006, 11:09:13 PM
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Like most, I mostly use a sub-C NiCad in a "Glo Ignitor" (DuBro, in my case). I know NiCads don't like frequent charging, in that they need to be drawn down pretty empty before charging.
Recently, I noticed that Tower and others are selling new "slim" "Glow Ignitors" that use a AA "Pen Cell". One of 'em. HA! Useless. Waitadarnedminute...it says 1800mah NIMH cell. Hey, wow, that's better than the sub-C NiCad's capacity!
I can't recall what the charging desires are for NIMH cells, tho. I've been using them in my digital camera, wireless keyboard and mouse, and a crumby "Walkman Wannabe" radio for the the gym. They're even fairly cheap.
What do NIMH batteries like? Discharged, like NiCads, or should they be topped off ASAP, like gel cells? n~ Steve
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To the best of my knowledge they do not hold a memory if you recharge them but the do lose their charge if they sit around. So your best recharging the night before.
At least thats my understanding. Have had a lot of discussions about them for metal detector use.
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Tower also sells a 4200MAH NIMH Sub-C battery. It will last all flying season.
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Louis...thanks, Man! Any chance you could come up with a part number or page number for that Sub-C NiMH at Tower? It sounds like the Cat's PJ's. **) Steve
Edit: Been looking at Tower and found some NiMH Sub-C cells that will work. Trinity GP4300 #LXMCZ1, $9.49. The next question, is what happens if I use the standard charger (for NiCads?) that I got from DuBro, and soon, a new Associated 'ignitor' and charger? I have an Eveready "Energizer" battery charger that will charge just about anything, AAA to D's, also 9v., NiCad or NiMH (I like it).
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Any nicad charger will also charge NiMH's. About the only potential problem, if you are going for absolute top performance, is that the NiMh will tend to shut off with a peak charger at around 90% of capacity. So to get absolute max charge you have to let it sit a couple minutes and start the charge again, and maybe do it a couple of times. NiMh also have more internal resistance than NiCad, so they don't do quite as good a job at handling flooded plugs. Even a single cell nicad will burn through a flood pretty easily. The NiMh might be a little slow.