Topic: Wal-Mart battery woes?

[it-goes-to-eleven]

Dropping a car battery is a common technique to dislodge deposits that may be shorting cells.  I've done it and had it work..

I don't think I'd do anything like that with a battery type that is prone to explode..

[tonyvt]

My Wal-Mart battery also crapped out.

[greppson]

These Li-ion batteries have built-in protection circuits that will essentially shut them down if they have been shorted.  And there is a reset if this happens -- you need to plug them back in to their wall-wart charger.  This should reset them and allow them to act normally. 

I'm not sure if this is the problem you're having, but I'd try this first before giving them a good smack.

'

Great info. I was at a show last night and was double checking my wires before the opener came on. I must have done something weird as the battery would not work at all after I replugged the wires back in after checking a few things. I was so pissed. Luckily, I was still able to run mics > batt box > jb3. But, I was really surprised when I got home last night and plugged in to find it would work fine. Not sure why the ua-5 shorted it out though...