A friend / client had me review a design he / we have been working on.=20
It has 6 "D" size NiMH batteries in series and in his design there are=20
three sets of two cells contacted with 6 spring clips. These will be in=20
a sealed compartment with no user access. The batteries will never be=20
overcharged or over heated but I warned him that they would have a high=20
failure rate due to exudate from the batteries interfering with the=20
contacts.
Am I being overly cautious?
All battery tools I see have welded tabs - never spring contacts.
I will admit that all the ample corrosion products I have seen were with=20
NiCD batteries
--=20

Looking forward,
Al Shinn

--=20
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