Nimh batteries
Eder - 15:31 08-02-07
I have bought some AA Nimh batteries and find that they are vary
slightly bigger than standard alkalines. I'm talking about a
millimetre or two and not much more, but it's enough... Read More
|
|
|
|
NiMH 1.2V charger
13:29 29-12-06
I'm looking for a good design (with schematic) to charge single 1.2V
NiMH batteries.
Not two in series, not three or four in series: individual batteries.
Schematics of char... Read More
|
|
Can I replace NiCad with NiMH?
Mitch - 11:49 28-03-07
I have some rechargable wireless headphones that I use on the
treadmill. The NiCads have developed so much memory that they only
last about 1/2 hour.
Can I replace them with ... Read More
|
|
|
|
Re: "Simple" hour/minute binary clock?
Jeff Findley - 08:43 20-10-06
wrote in message
news:1161346654.772369.59030@m7g2000cwm.googlegroups.com...
>
> Battery voltage doesn't matter, whatever will drive the circuit. I'd
> prefer to not ... Read More
|
|
Re: Battery for Winbook XLI Laptop
John - 14:43 02-10-06
On Mon, 02 Oct 2006 17:26:42 GMT, "W. Watson"
wrote:
> I contacted a battery store in Palo Alto about the battery for an Xli, and
> they said they no longer carry them, sin... Read More
|
|
Two battery related questions ...
purple_stars - 23:09 12-12-06
Hi folks,
I use a bank of NiMH batteries to power some mobile equipment and I
currently charge the bank with a small 6.5 watt folding solar panel.
Works great. One nice extra... Read More
|
|
Rechargable battery power
Rod@Hillhead - 16:43 17-01-07
Hi,
I have connected 5 new NiMh batteries in series, each is rated at 3800
mAH. When I connect a 10W, 6v halogen bulb to them it lasts about 2
hrs. I expected longer than this... Read More
|
|
|
|
Battery Charger Temperature Cutoff
Joe - 21:45 22-07-07
I built a NiMH charger based on the Maxim 712 chip some time ago.
I didn't implement the temperature cutoff part of the chip's capability,
and now would like to do that.
Her... Read More
|
|
Help me build a bicycle phone charger
BikePilgrim - 19:36 07-01-08
Hello, I recently built-up a front wheel for my bicycle that has a 6v/
3.5w dynamo. These are designed to power headlamps, but I'd prefer to
store the electricity in a battery wh... Read More
|
|
NiMH power weight ratio
22:31 08-01-07
Just wondering if anyone knows the weight of these batteries?
AAA 900mAH
AA 2500mAH
or will they vary between manufacturers?
I'm trying to work out whether 4 x AAA or 2 x... Read More
|
|
|
|
|
|
|
|
ATTiny13 voltage and current ratings
04:10 03-07-07
I was reading the datasheet on my ATTiny13, and noticed the following
ABSOLUTE MAXIMUM ratings:
Maximum Operating Voltage 6.0V
DC Current Vcc and GND pins: 200 mA
I was pl... Read More
|
|
|
|
|
|
|
|
|
|
Re: Zener Diodes / Voltage Regulation
Charlie Siegrist - 16:27 22-07-07
On Sat, 21 Jul 2007 22:01:28 -0700, in message
, FyberOptic
scribed:
> The basics of diodes has always been "current can only flow one way",
That's a bad assumption, a... Read More
|
|
|
|
Battery suggestion for handheld unit?
Joseph - 12:44 27-02-07
I'm making a handheld unit and the enclosure that was dictated to me does
not have a battery compartment door on it...so I have to use internal
rechargables. my. The unit will ... Read More
|
|
Rubbish camera batteries
Periproct - 17:05 26-03-07
My proprietary camera batteries don't last long when new and as I'm not a
photography enthusiast I find, when the camera does come out, the batteries
have discharged to the poi... Read More
|
|
|
|
|
|
|
|
|
|
|
|
|
