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  1. W

    Imedion AA 2400 mAh - slightly reduced capacity

    Hi everybody! Well, I've been cycling 2 years old Imedions double A's, after noticing higher Imepdance Voltage Check by Maha. The two batteries were at around 1.78V the other ones around 1.75 and 1.66 so I expected decreased capacity. These cells have been charged once or twice a month. Let me...
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    Charging 4 AAA Duracell Ion Core using The Schulze charger

    Hi Tom! OK, you charge your Eneloops in packs in auto. Las Saturday, I tried to charge my new (bought in February/March) four Eneloop in Auto at 1 Amp Auto. Schulze started charging at 500 mA, then the current reduced to 400 mA and the charge finished at 300 mA I set up capacity (quantity) as...
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    Bad rechargeable batteries - possible recovery?

    These batteries were charged by the C9000 (I cheated on Maha C9000 to avoid initial IR check) and then let for two days for a trickle charge. Since that trickle charge current is 10 mA, the voltage has dropped down to 1.33 Volts in one cell and 1.38 i other cells. I decided to put them on the...
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    Charging 4 AAA Duracell Ion Core using The Schulze charger

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    Bad rechargeable batteries - possible recovery?

    I have a few really crappy rechargeable cells with high IR, that the C9000 refuses to charge. These are not Ni Cad but the regular Ni Mh cells. I've put them in a very old dumb Ni Cad AA Charger and chosen the normal mode as charging. This dumb charger is 27 years old and the normal mode uses...
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    The La Crosse 2600 mAh batteries

    Well, I've been using them mailny to power up my slow RGB LED lights and sometimes I put these batteries in my Internet Radio unit. Would you suggest leaving them in Maha C9000 for a trickle charge? Just leaving them for a few days? I don't have a dumb charger so I cannot check the resaults...
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    The La Crosse 2600 mAh batteries

    Hello Tom! Yes. I did charge them at 1 Amp after seeing your post. They were pretty warm, but defenitely not as hot as on BC-700. Do you have any suggestion how to deal with them? Now they're sitting on the C9000 (R&A Mode at 500 mA charge and 100 mA discharge.
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    Charging 4 AAA Duracell Ion Core using The Schulze charger

    Hi Tom! Thanks for your explanation. I have red that Schulze does not recommend charging in Auto Mode batteries above 1500 mAh. If you charge your Eneloops or other LSD cells you use Fix Charge mode, I guess. What rate would you charge them? (Eneloop or AA Ion Core's).
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    Charging 4 AAA Duracell Ion Core using The Schulze charger

    I have 16 AAA Ion Core's and after initially doing a forming charge with C9000, I decided to charge them using Schulze. I enter 850 mAh as capacity and use Auto Charge mode. So as I write this post the four of them are charging now at 300 mA (or little above that) The resistance is 385 mΩ, so I...
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    The La Crosse 2600 mAh batteries

    Here's another problem with these crappy cells: La Crosse AA batteries are getting too hot while being charged in BC-700 @ 500mA. Three of them stopped charging (too hot) and after 20 minutes or so the charger finished the job terminating at 1.47 Volt. These cells have not too bad internal...
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    Modified Mini Christmas Lights LED set

    Hi guys! I just recently modified a 50 LED lights string by replacing the original small LED lamps plus resistors which have been soldered to the positive leads. I put 50 10 mm slow colour changing RGB LED's, adding of course resistors as well. The problem is both the light # 1 and # 25 does...
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    What is this Rayovac capacity?

    This chinese made Rayovac generated 1516 mAH after a second forming charge. The capacity is slowly improving even this discarded cell probably had been misuded or abused. I guess, it's a pretty good cell :). So it is worth sometimes going to recycling placec and look for "dead" rechargeable...
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    What is this Rayovac capacity?

    Hello guys! I have a peculiar hobby going sometimes the the call2recycle places and pickin' "dead batteries". I really try to just recover them from previous abuse Not dead actually, I have been using 10 of them for 2 years and charging them with the C9000. Last time I found the Rayovac AA...
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    The deteriorating capacity of more the 2 years old AA Eneloops

    I guess Costco in Canada does not sell the fake ones???
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    The deteriorating capacity of more the 2 years old AA Eneloops

    Hi Tom! Well, I have just finished cycling my 4 Eneloops at the default rate of the C9000. 1000 mA charge 500 mA discharge Here are the numbers of each cycle: Battery #1 1. 1683 2. 1685 3. 1683 Battery #2 1. 1769 2. 1771 3. 1776 Battery #3 1. 1620 2. 1625 3. 1621 Battery #4 1. 1767 2...
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