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    Building and charging large Li-Ion battery packs? A few questions...

    Thanks for all the good insight, I appreciate it! It sounds like I need to get away from the idea. To answer VidPro's question about low-discharge protection - I've used various PCBs, mostly from BatteryStation.com, that shut off when the voltage drops below a safe point. I've always...
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    Building and charging large Li-Ion battery packs? A few questions...

    I could use some advice on a couple of things if you all don't mind... I've built and used many small and large 18650 Li-Ion battery packs, but nothing over 16cells/32V, and I'd like to try something larger for general storage for when the power goes out, to keep our electronics and cell...
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    Help please, need inexpensive 18650 lights with internal protection. DX problems!!

    I did call Shiningbeam and they were indeed helpful, but they are not sure if the Romisen lights have a protection circuit, which means it probably doesn't. Maybe none of the cheap ones do?
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    Anybody else had problems with DealExtreme (DX)?

    I've had problems with my last three orders from DealExtreme (DX), and wondered if this is a trend or just a lousy site. I've bought from them in the past, knowing it would take a month or even two to get my order, but lately it's been really bad. First, I had a shipment arrive with damaged...
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    Help please, need inexpensive 18650 lights with internal protection. DX problems!!

    I've spent a bit of time going through the various posts, but I can't find the information I'm looking for... sorry if this has been beat to death somewhere else. I have literally 200+ unprotected 18650 Li-ion rechargeable batteries and a couple of quality Pila chargers. Up until now I've...
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    Portable Solar Charger - Pila & 18650's?

    Yeah, I read everything I could find here on the different solutions, I was hoping to distill it all down. (I don't remember what an "SLA" is but I'm guessing it's an intermittent battery?) The input on my Pila charger is 6V, 2-3Amps.... I take it that's a whole lot? The 20-watt panels are...
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    Portable Solar Charger - Pila & 18650's?

    I've got a new Pila charger and several flashlights that use 18650's, and for a long time now I've wanted to get a portable solar panel for camping and emergencies. Something like this, for example: http://www.rvprotectionproducts.com/index.php?p=product&id=500&parent=253 The description...
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    Wire glue

    I've used brush-on insulation, but it was designed to cover solder joints when tape or heat shrink tubing wasn't feasible. Most of these types of adhesives are designed to dry quickly, so unless you use a lot of it you can plan on throwing away most of the bottle. Once it's open, it tends to...
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    Can I use THIS to charge my unprotected 18650 cells?

    I also have an Eflight 2-cell balanced LiPo charger... the output is rated at 0.5A. I take it that would work as well for 2 cells. I've been looking around at the various chargers, wondering if I wanted to spend another huge chunk of money for the Pila... it never occurred to me that I had...
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    Can I use THIS to charge my unprotected 18650 cells?

    Can I use this charger: http://www.horizonhobby.com/Products/Default.aspx?ProdID=EFLC3005 ...to simultaneously charge up to three unprotected Sanyo LiOn18650 cells?
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    Consumer Li-Ion "cradle" charger roundup...

    Re: CPF Li-Ion charger Hmmm... what would you charge a guy to build a set of four of them? Or maybe assemble one and throw a bunch of parts in a box for me to figure out . I can solder, but I'm no EE. I've been looking at the Pila, but the charger with the DC adapter is $81 to my door...
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