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Hi, I just bought a set of 6 AA 1600mAH rechargable batteries together with one rechar. bat. 9V 150 mAH. I tested if the whole bunch would work in my cybermaster unit and the radio tower. Well, nothing happens to the cybermaster. The tower unit is (...) (24 years ago, 22-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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(...) concluded I have uesd the everyready renewal batteries in my RCX without problems (...) (24 years ago, 22-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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(...) We had this discussion (in the context of RCX) a few weeks ago. To summarise: Alkaline (non-rechargable) AA's are 1.5v when new but gradually run down to about 1.2v or even less when 'flat'. A few brave people have actually built rechargers (...) (24 years ago, 22-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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In lugnet.robotics, sjbaker1@airmail.net writes: <snip> (...) Let me add a few words concerning Renewal's, from my own experiences... Renewal's *like* to be recharged frequently, particualarly while they still have some remaining charge in them. (...) (24 years ago, 22-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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(...) Yes - I'd heard that...and to finish the story, Lead/Acid batteries (such as car and motorcycle batteries) should NEVER be run completely flat as it's very bad for them...completely the opposite of NiCads which should always be run flat. Dunno (...) (24 years ago, 22-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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I've read a lot of posts about the EverReady Renewals, and to be honest, I have to really wonder if they are anything special or not. I kinda think it might mostly just be the charger that is special. However, I *do not know*, so this is just (...) (24 years ago, 22-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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(...) AFAIK they are built more robust, to tolerate the charging better, while chemically they are the same. That said, my experience with AAA renewals (the german Müller system) for my Palm III was not good. Even with an expensive intelligent (...) (24 years ago, 22-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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I had a similar problem with the RCX. I use the RCX and it works well with 1,2V NiCd batteries as soon as the tower uses a regular 9V battery. If I use a rechargable 9V battery I have a problem similar to yours. Try using a regular 9V battery and (...) (24 years ago, 23-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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(...) If your using the Tower a lot of the time, (Polling etc.) I'd suggest getting a power adapter for 9 volts and use that instead. Saves on power greatly. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (24 years ago, 23-Oct-00, to lugnet.robotics)
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| | R: Rechargable batteries
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I've use rechargable batteries (NiMh - Nickel Hydrade - , 1,2V) with the cybermaster with no problems at all. 9V (not rechargable) in the tower. The only difference is the motors are a little slower... The NiMh I used were rated for 1400ma so even (...) (24 years ago, 23-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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I use Ray-O-Vac Rechargeable Alkaline batteries and their special charger in my RCX with great results. I only seem to recharge them every few weeks and then they have lots left in them. The charger seems to charge each (of 4) individually, the (...) (24 years ago, 23-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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(...) a (...) Guido (24 years ago, 23-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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(...) Do you mean electronically or physically? As long as your power is 9volts DC with the correct polarity it should be fine. Physically you may need to use gator clips to hold it in. I've heard the 2.0's will come with USB versions and since USB (...) (24 years ago, 23-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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I have also used the Ray-O-Vac Renewals in the RCX. Unfortunately, I have not had good luck with them. They seem to work fine in the RCX, but recharging them (in the Ray-O-Vac charger specially intended for the Renewals, model PS1) invariably causes (...) (24 years ago, 23-Oct-00, to lugnet.robotics)
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| | Re: Rechargable batteries
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My first two sets ran very hot and did not last long. I replaced them recently with Ray-O-Vac "Rechargeables" (no longer called Renewals) and, using the very same model PS1 charger they work well. Perhaps they fixed something. I think the point is, (...) (24 years ago, 23-Oct-00, to lugnet.robotics)
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