Subject:
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Charging batteries
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 13 Oct 1998 10:41:12 GMT
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Viewed:
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1453 times
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Our institution (a school) considers to purchase two Mindstorms sets for
students to work with. I'm looking for the best way to deal with batteries
in such a setting. I have seen some posts mentioning some concerns, but
would like to have some more advice, like:
- are NiCad the best and/or only rechhargable batteries
- are quick-chargers better or worse; depending on what?
- do NiCads have a 'memory effect'?
Any advice appreciated.
Visit LEGO ON MY MIND:
http://www.svc.fcj.hvu.nl/brok/legomind
Dutch section:
http://www.svc.fcj.hvu.nl/brok/legomind/nl
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Message has 5 Replies:
 | | Re: Charging batteries
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| (...) No in the AA size there are companies that make Nickel Metal Hidryde as well as nickel cadmium, but the Nickle Metal are much harder to find and much more expensive.(I suppose there is probably a company out there making Lithium Ion AA I just (...) (26 years ago, 13-Oct-98, to lugnet.robotics)
| | | Re: Charging batteries
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| Eric Brok wrote in message ... (...) NiMH is also an option. They are coming down the prices of NiCad (about $5/cell right now). The average NiMH AA cell has a greater capacity then the average NiCad cell (1300mah vs about 850mah). (...) Quick (...) (26 years ago, 13-Oct-98, to lugnet.robotics)
| | | Re: Charging batteries
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| Isn't Ardjan Besse the battery guy? (He works in something to do with batteries, if memory serves me correctly........ Eric Brok wrote in message ... (...) (26 years ago, 15-Oct-98, to lugnet.robotics)
| | | Re: Charging batteries
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| (...) There are also Renewal rechargeable Alkaline batteries from Rayovac. They have a special charger that shuts off so they aren't over charged. Cindy Salwen (26 years ago, 19-Oct-98, to lugnet.robotics)
| | | Re: Charging batteries
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| (...) Well, I use my early-generation Sony Discman at work up to three hours a day (gotta tune out the whiners). This unit munches batteries! And I buy nothing but Duracells. So I made the big leap a couple months back and bought 4 AA Nickel metal (...) (26 years ago, 22-Oct-98, to lugnet.robotics)
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