Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default 3Ah NiMH AA-size battery problem?

High performance so not thrown away lightly
No difference in observed powering performance to its mate bought at the
same time. Same DVM loaded battery test after both are charged. Orange MP
make if relevant. One has had for some time , ignored as a scuff mark to the
orange plastic and apparently showing aluminium case under, a hole in the
case. About 2 x 1 mm looks like a melted oval rim of aluminium with central
area of dusty grey ceramic looking material. But the surrounding orange
heatshrink is not melted , looks a neat junction between oval "cut" plastic
and melted aluminium which makes no sense. What is this hole? prognosis?
paliative measures to be taken ? dangerous chemically or flammability ?




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Default 3Ah NiMH AA-size battery problem?

On Oct 27, 4:25*am, "N_Cook" wrote:
High performance so not thrown away lightly
No difference in observed powering performance to its mate bought at the
same time. Same DVM loaded battery test after both are charged. Orange MP
make if relevant. One has had for some time , ignored as a scuff mark to the
orange plastic and apparently showing aluminium case under, a hole in the
case. About 2 x 1 mm looks like a melted oval rim of aluminium with central
area of dusty grey ceramic looking material. But the surrounding orange
heatshrink is not melted , looks a neat junction between oval "cut" plastic
and melted aluminium which makes no sense. What is this hole? prognosis?
paliative measures to be taken ? dangerous chemically or flammability ?


just throw it out
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