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AA Battery Pass Trough

by trazor, published

AA Battery Pass Trough by trazor Apr 22, 2013

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I use it when charging only 2 batteries in a 4 battery charger but you may need it for others purposes. Add comment.

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Neat, many years ago I created a dummy battery using some rolled up paper, tin foil and tape for isolation....
In the meantime its a new century and 3D printers are now commonplace :)
My intended use for this thing is with programable "hobby grade RC" chargers like this hobbyking.com/hobbyking/store/__7028__Turnigy_Accucel_6_50W_6A_Balancer_Charger_w_accessories.html

Please take care if using with "consummer grade" chargers, You can initiate a fire.
If they are in parallel, yes. However, this is bad for batteries that are not matched, as one will be overcharged and the other undercharged. Unfortunately, a large percentage of the commercial 4 battery chargers work this way anyway. And if you use this with a 2 cell charger that doesn't charge the cells separately, you'll now be charging 4 unmatched batteries together.

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<p>Neat, many years ago I created a dummy battery using some rolled up paper, tin foil and tape for isolation....<br>In the meantime its a new century and 3D printers are now commonplace :)</p>

<p>Just for my understanding: Do you charge the 2 batteries up to the same voltage as four?</p>

trazor - in reply to Robo

<p>My intended use for this thing is with programable "hobby grade RC" chargers like this http://hobbyking.com/hobbyking/store/__7028__Turnigy_Accucel_6_50W_6A_Balancer_Charger_w_accessories.html&lt;/p&gt;

<p>Please take care if using with "consummer grade" chargers, You can initiate a fire.</p>

ssd - in reply to Robo

<p>If they are in parallel, yes. However, this is bad for batteries that are not matched, as one will be overcharged and the other undercharged. Unfortunately, a large percentage of the commercial 4 battery chargers work this way anyway. And if you use this with a 2 cell charger that doesn't charge the cells separately, you'll now be charging 4 unmatched batteries together.</p>

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