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Thanks a lot, but how do i get rid of those battery? do then need special treatment?

I bought a twin-pack solar light at last year end in a local shop and found the product will not be lit up recently, most probably I think is because of the battery. But it says the battery shall use 1.6V Ni-Zn battery. Is it same as to Ni-MH? I try to google/wiki the detail Ni-Zn but found...

I am in HK, but due to "historical issue", HK follows BS standard and regulation. So just wonder if there is a regulation or practice in UK on wall cable insulation :o

hi all, i am a newbie here i would like to diy-install a class II recess light in my ceiling void. But seems the wall cables do only have single insulation coat, so what else I should pay attention during installation? thanks~ :)