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Thanks-- no load tester. Charger still works normally with other batteries.
Some decent sounding systems on the mass tonight.
It sounds like there is a problem Howard -either with the charger or the battery itself. Do you have access to a battery load-tester? Really, the only way to tell if a battery is good or not is under load. I've got one of those cheap 100A harbor-freight carbon-pile load testers and it does a pretty good job on both 12v and 6v nominal batteries.
I got mine on sale for $9.99 as HF is crazy with the sales sometimes but at $25 right now it is a handy thing to have around the shop if you ever work on batteries or equipment like this that has batteries.
My 38 aH SLA is showing "full" with 4.9 volts per my "smart charger."
Is it toast?
Battery tech is incredibly slow and steady in its progress. There are periodic announcements of some huge gains in density, discharge, or charging time but not all three which are pretty much the prerequisites for some great leap in actual consumer use.
As for their utility in boombikes, if you really need more power than some sealed lead-acid can put out you're also going to wind up needing a housing that'll weigh something massive in order to make it sound worth doing at which point you've already signed on to pulling some serious weight.
Will this technology come to fruition while any of us are still pulling systems? If it does, will we ever see a version of it that is light, small and inexpensive enough for practical use by us, or those who might come after us? I don't have the answers, but this does give us reason to believe that the future of Bike Sound is ... light ... http://www.ibm.com/smarterplanet/us/en/smart_grid/article/battery50...
Interesting advances in Lithium battery technology:
Some old clips I came across.
The "MIP" is Mexican Independence Day parade. I had two trailers synced.
"Jesus Block Party" is my neighbor Jesus pulling a system around that I trashed/took apart at some point (maybe one of you ended up with parts of it, can't remember).
All sound is as received by my cheap camera's mic.
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