| General > General Technical Chat |
| I Hate Batteries |
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| GlennSprigg:
Probably 99% of 'AAA' batteries are used in Remote controls!! Probably 99% of THOSE batteries are SHIT ones that come with the device! Probably 99% of people have SWAPPED those from other less used Remotes!! Probably 99% of people have 'AA' batteries as spares, rechargeable or not. Probably 99% of peoples Rechargeable 'AA's are flat, & can't find the Charger! 8) |
| paulca:
Can I add to the hate!? Bought a new car battery a "sealed led acid" from Halfrauds. Was a little enthusiastic on the way home and it fell over in the boot. It dumped battery acid all over my carp fishing chair I keep in the boot. It dried out with a brown stain as I have nothing to soak it up with and bleach to neutralise would do more harm than good. Hopefully the material doesn't disintegrate. |
| duckduck:
Here's a new one to me. The three AA batteries on Jr's electric guitar toy were dying. When you turned up the volume it would go into digital crazy world. I'm familiar with that behavior. So, the new NiMH batteries showed up (in Seattle metro, so Amazon delivers quickly, sometimes shockingly so). I put them in the guitar toy and... nothing at all. I checked the voltage of the new batteries and they were 1.28 V. Fine for NiMH. I checked the old dying batteries and they were 1.35 V. >:( Now, the rechargeables have flatter positive terminals, and I'm not sure if they are making contact with the slightly (~0.5mm) recessed contacts on the toy. |O Batteries! I curse thee! |
| T3sl4co1l:
--- Quote from: paulca on April 24, 2020, 04:05:00 pm ---It dried out with a brown stain as I have nothing to soak it up with and bleach to neutralise would do more harm than good. Hopefully the material doesn't disintegrate. --- End quote --- FYI, sulfuric acid does not dry out. It becomes more concentrated, hastening decomposition and corrosion of everything it touches. Soak it down with a garden hose, drain it as well as you can, and let it dry. Don't just soak it up, you will always have residue. It has to be washed out. Acid decomposes bleach to chlorine gas, do not use. After the acid is washed out, bleach can be used to clean fabrics, but more likely any dyes on them have been decomposed (if there's any fabric left as such), leaving a patchy appearance. If there is staining due to decomposition products (assorted tarry organic compounds), it may eventually wash out with solvents, detergents or bleach. Corrosion products (rust) can be removed with CLR like products. Again, rinse or wash thoroughly. This goes for the boot as well as the chair. Tim |
| ogden:
--- Quote from: duckduck on April 24, 2020, 04:06:09 pm ---Here's a new one to me. The three AA batteries on Jr's electric guitar toy were dying. When you turned up the volume it would go into digital crazy world. I'm familiar with that behavior. So, the new NiMH batteries showed up (in Seattle metro, so Amazon delivers quickly, sometimes shockingly so). I put them in the guitar toy and... nothing at all. I checked the voltage of the new batteries and they were 1.28 V. Fine for NiMH. I checked the old dying batteries and they were 1.35 V. >:( Now, the rechargeables have flatter positive terminals, and I'm not sure if they are making contact with the slightly (~0.5mm) recessed contacts on the toy. |O Batteries! I curse thee! --- End quote --- Don't blame batteries when your device is crap. AA battery at 1.35V have more than half of remaining capacity. It can be considered empty at voltage below 0.8V. |
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