| Thread | Last Post | Replies |
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| 15 minute charger charge algorithm, what's going on? | 30 Apr 2007 14:50 GMT | 1 |
http://img91.imageshack.us/img91/5567/chargekk7.png
This is voltage vs time graph of an empty 1800mAh AA being charged on
Duracell 15 minute charger, which claims charging current is 8.3A.
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| NiMH NiCad replacement questions in Motorola radio | 28 Apr 2007 14:21 GMT | 3 |
Sorry this is so long, I wanted to include as much info as possible to help
troubleshoot.
I have a couple Motorola Talkabout T5950 radios with optional (3 AA style)
rechargeable NiCad 3.6 V battery packs. One pack died and having recently
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| Parallel Charging Lead Acid Batteries of Different Construction / Ages | 27 Apr 2007 13:43 GMT | 1 |
I have been looking at the whole battery isolator debate in off-road
forums for charging batteries. The commonly made statement by both
battery manufacturers and isolator vendors is to not parallel charge
batteries of dissimilar construction or age. Unfortunately I can't
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| Super capacitor in parallel with car lead acid battery | 26 Apr 2007 19:25 GMT | 3 |
Dears,
Did someone of you ever tried to use a 1-3F 12-24V super capacitor in
parallel with a 12V lead acid car battery to increase the car battery
life ? I'm wondering if it makes sense since you avoid quick
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| 9V battery charge time - NiMH - how long? | 09 Apr 2007 17:20 GMT | 4 |
I have a 9V NiMH battery I'm trying to charge for the first time on a
Radio Shack charging station. How long should it take to charge. It's
been about 18 hours so far and still going.
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| need advice on solar laptop charger | 07 Apr 2007 00:44 GMT | 2 |
I'd like to create a solar charger for my apple macbook that trickle
charges the battery with a 20 watt solar panel.
My macbook laptop takes 16.5V / 3.65A DC in from the power brick that
plugs into the wall. The solar panel has the following outputs the
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| Aluminum deposits on copper tubings | 06 Apr 2007 13:29 GMT | 5 |
Dears,
I have a aluminum water container which is in contact with a cupper
tube. The end of the copper tube hangs around midway the aluminum
container and after some days of water flowing throught the copper
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| Home electronics - cathode protection possible? | 05 Apr 2007 15:32 GMT | 1 |
I have a friend who lives in a sea-side environment - sea salt mist
will ofter blow up from the ocean toward his house. Amazingly (to
me), he showed be several personal computers that have an amazing
amount of surface corrosion on their cases after just a couple of
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| F cell NIMH batteries | 05 Apr 2007 01:01 GMT | 1 |
I'm wondering if it would be possible to charge a single F cell NIMH
batttery in a normal AA NIMH charger if I set up an adapter to
convert. I'm guessing it would need to go by voltage, but do smart
chargers know the difference if the battery is a 2000mah or 10000mah?
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| Full-time charging of Li-Ion? | 02 Apr 2007 19:40 GMT | 1 |
I have been leaving my Li-Ion ond Li-Poly powered devices on charge
when not in use -- such as PDA's, laptops, portable printers, radios.
Some manufacturers suggest this.
I recently noticed one radio manufacturer -- Kenwood -- cautions that
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