Some of the most expensive rechargeables are the AW brand. But, I had an AW 14500 roll of a table and when it struck the floor the black covering broke off the bottom of the battery, though it still functions fine is it dangerous having this stuff exposed?
I have an AW 17670 that no longer works. It was inside my flashlight when I dropped it from waist high and the battery no longer works. Did the protection circuit break or something?
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i worked with this guy once that dropped a lot of stuff, without saying anything we just didnt let him handle the rechargable cells
one drop and a $100 sony camera battery could become another hour long repair job for me, or cost me $36 in replacement cells again (cells had to be matched).
none of the rechargables like to be dropped, because of the tight electrolyte roll inside. the high energy density , and the fact that a PARTIAL internal cell short can cause big problems. (like self-discharge).
Have you seen how SMALL the components are in these curcuits like the protection curcuits or drivers? i have dislodged chips off a circuit board with a slight pull of my hand, a few molecules of solder holding flea sized parts on the board. This stuff isnt Vaccume tubes, and 10mm transistors, and OLD SCHOOL overdone mondo parts, its the new technology age where 80% of laptops that Fail are because of a Drop. sure it all fits on a Dime, and does most amazing things, but many many gadgets now are not capable of survival, just operation, and if were talking "smart" phones , they barely accomplish that
no the battery should Not fall apart because it fell off the table, but we have had many rechargable batteries become unreliable batteries from a drop of human hands high on a hard surface.
so what i am saying is when your dropping stuff, what you DONT SEE is still going on too. please be more carefull in general with batteries in general, it will pay off in the long run with less frustrations.
EX: right before a recharge session i get myself and the gadgets over the table, because i am sure to drop at least one of the 50+ i will deal with that day.
you can get battery wrap for mere pennies (minus shipping) to re-shrink wrap a battery that the shrink wrap is ruined on. you can also buy replacment protection (for about $2), or if your really good you can get raw premium cells and the tiny protection modules and Make Your Own protected battery, better and cheaper, but the one thing you cant do easily is make it bulletproof and still have it FIT the same and have the same power.
take a crack at making one of these protected cell items, AND trying to keep it thin on there, and you will realise the needs of the battery better. take a look at a battery cracked open, how thin the case is, how the battery is assembled and the type of parts, and you will see that they are doing the best they can to STUFF power in, but it isnt Magic, there is no magic, and wood blocks dont put out crud for power
http://www.batteryspace.com/78-3widthpvctube.aspx
http://www.batteryspace.com/pcbfor37vli-ion1865018500cellbattery3a-1alimit.aspx
(and that is the BIG one)
umm duddddee if your dropping stuff like that, whats going to happen when we recommend unprotected cells to you
not to be mean or anything but I (myself) use protection because it is Idiot proof. I always put a Case around my new high tech gadgets , like cell phones and PDAs , some sort of leather or silicoln protector. i dont drop stuff lots, but i also dont take chances. that tiny STUFF is to hard to re-solder.
