Has anyone seen those yet?
https://tindie.com/shops/Rager/liponano-1/
They look really great (and price – $11 – is very good too), and leads are also detachable (so you can have few sets of wires – wired to a battery holder, wired to magnets, etc).
The only disadvantages I see is that you have to make your own leads, and that 100/500mA switch requires soldering, but otherwise it’s a pretty little charger!
Here are a couple photos:
Size comparison to a coin:
With removable leads:
With permanently soldered leads, ending with magnets:
Charging graph for used microcontroller (this example uses 100mA charging rate, though):
This is a good find, thanks for sharing.
Do you have any experience with the sales portal? (Tindie)
http://wardogsmakingithome.org/index.html
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Whoa! That looks really cool.
Thanks for sharing.
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Nope, not yet.
I’ve placed an order on this charger, though, and I’ll let you know how it goes – but I can’t you update you on how it goes until I receive it, which won’t be earlier than 25th January, when I’ll return from my 2-week long skiing trip to Switzerland.
They seem to have various unique and interesting electronic kits, though.. For example, who knew there was such thing as lightning detector, which could detect a lightning 40 km away?!
https://tindie.com/shops/TAUTIC/as3935-lightning-sensor-board/
Thats a really nice tiny charger.
xkcd.com/1603 Li-ion battery safety 101.
It’s not preorder, I got mine already.
Looks big?
I bet it doesn’t now.
So, what are your toughts on it now that you have it and hopefully used it? Is it worth it? Recommended?
Mine terminates at 4.19V.
Can’t comment any further as I haven’t used it much yet, but I have nothing to complain about.
Uses MCP73831T microchip. Really interesting charger
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That's what I said, but the checkout process indicates that it is. I got mine a few days ago, but I haven't even opened the package yet.
The low mode should be lower.
It didn't come with leads. It has a JST connector. Aside from male/female, are all JST connectors the same?
The low mode should be lower.
They should be.
At least all ones I have fit it nicely.
Saw this a while back, could well come in handy
Just so you know, “jst” is loosely used to describe connectors of various styles unfortunately.
Even among “mini jst” types there are many.
http://www.rcgroups.com/forums/showthread.php?t=1493712
The example above is for 3-pin servo connectors but the categories are the same for 2-pin. Thanks to sparkfun and the like, I believe jst-xh (2.5mm) has become common for charger types these days. Just confirm it with someone.
Nice find, I think that this connector will fit;
http://www.ebay.com/itm/NEW-10PCS-2-pins-Connector-two-leads-Head-XH2-54...
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The connector from Sparkfun fits. I think this charger should come with leads even if it increases the price slightly, especially since the seller/inventor cannot specify the connector.
@Changchungleds, I don't think that will work. That connector looks like it has two ribs on top, but the right connector only has one rib.
The low mode should be lower.