|Apr 02, 2012, 01:42 AM|
charger that came with the Radio TO CHARGE the new NIMH BATTERY PACK ?
I have an older T6xa Futaba radio that came with a SMALL wall charger , the original battery was a NICAD 8 cell 600 mah AA pack, so I bought a NIMH 900 mah battery pack,
can I still use my wall charger that came with the Radio TO CHARGE the new NIMH BATTERY PACK ?
|Apr 02, 2012, 02:36 AM|
Joined Aug 2002
1. As supplied, the battery has a "chemical" charge only.
If the battery were to be charged before despatch ex factory, it would be flat before it hit the retailer's shelf.
2. NiMH do not reach full capacity until after at least the third use (charge).
3. NiCD were reasonably forgiving in the event of overcharge / overdischarge / hard knocks but NiMH are not. Majority of NiMH cells have a shorter life span than we used to expect of NiCads, best never to exceed 1c or one hour charge rate.
4. Black wire corrosion is just as much if not more evident in NiMH than was experienced with NiCad.
When Nickel-Metal Hydride (NiMH) was introduced in the early 1990s, much was made of its memory-free status. NiMH do suffer from crystal build up also known as "memory" but to a lesser extent than NiCd. No proven research is known that specifies best maintenance except all concur that repeated cycling of NiMH is not recommended because of the shorter service life.
NiMH were introduced solely to satisfy the EU "Greenies" as under the changed CE regulations, it was to become to expensive to continue with the supply and then subsequent return to and disposal by the supplier of the poisonous NiCD cells. NiCad are still allowed for use by emergency & medical services in lieu of NiMH.
101 re Charging RC Batteries - Titan Energy
R/C Battery Clinic - Archived Articles Listing.
More information available under "Battery Care, Performance & DIY Battery Packs." at
Alan's Hobby, Model & RC FAQ Web Links
|Apr 02, 2012, 09:02 AM|
|Apr 21, 2012, 10:33 PM|
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