That's a good point! Do you know offhand the size of the current-limiting resistor in series with the NiCD?
On 5/31/17, Brian White <[email protected]> wrote: > I had given 80mah as part of the search term to use, because that is the > standard capacity of the current standard drop-in replacement for the same > size/shape/style as the old nicd battery. The nicd version were 50 to 60 > mah. > > I'm not worried about overcharging because the internal battery is only > charged while the main power is turned on, and by default it turns itself > off when idle for 10 minutes. > > To overcharge the internal battery, you would have to actively use the > thing for more than a day or so to get into that territory, or disable the > 10 minute idle power off, and, do one of those while plugged in to the > wall. Normally, either you turn it off, or it shuts itself off, or the AA > batteries die long before 24 hours. > > I thought I read somewhere that you had the same limit with the original > battery too anyway, ie that you couldn't charge that forever either. But I > don't see any such admonition in the user or service manuals, and it is > possible to trickle charge nicd (more or less, it's not actually harmless, > just not quickly catastrophic), so, perhaps that is a valid consideration. > > Personally, I would not, for example, plug an M100 into the wall, issue a > POWER CONT in basic, and then run it 24/7 as a server or something, even > with the original battery. So, short of that, I see no difference. > > And, when you search for the original batteries by actual part/model > number, vendors and manufacturers offer nimh's as replacements. That tells > me that the new battery is expected to work in the same conditions as the > old. > > -- > bkw > > On May 30, 2017 10:05 PM, "Josh Malone" <[email protected]> wrote: > >> Okay - I was looking for 80mAh for some reason. The ref manual doesn't >> specify the capacity, but I see the R/S part was a 50mAh originally. >> >> So, yeah, other than having to buy 4 at a time, ebay wins. I'm gonna wind >> up with quite a stock of 100/102 spare parts at this rate. >> >> -Josh >> >> On Tue, May 30, 2017 at 9:22 PM, Mike Stein <[email protected]> wrote: >> >>> eBay 401159712873, 400826285784 etc. >>> >>> ----- Original Message ----- >>> *From:* Josh Malone <[email protected]> >>> *To:* [email protected] >>> *Sent:* Tuesday, May 30, 2017 8:31 PM >>> *Subject:* Re: [M100] Oh no - think my internal nicad finally given up >>> theghost >>> >>> nimh are just easier to find it seems. A quick googling finds a >>> godzillion sources of NiMH cells in the right specs, but I can't >>> actually >>> find an easy supplier of nicd cells in the right specs. >>> >>> On Tue, May 30, 2017 at 6:31 PM, John R. Hogerhuis <[email protected]> >>> wrote: >>> >>>> What's wrong with NiCd? As designed... >>>> >>>> -- John. >>>> >>> >>> >> >
