Jetbeam RRT 3 3xXML Battery configuration

RCLumens · Jun 27, 2012

Greetings! Does anyone know if the RRT3 triple XML is configured in series or parallel for the batteries? Also, is one better than the other and what does that mean in regards to 18650 battery safety? For instance what if the batteries read 3.04, 3.04 and 3.02? IS this dangerous?

Many thanks!!

Richard Costin · Jan 6, 2013

bump

mvyrmnd · Jan 6, 2013

I don't know about how they're wired, but I can answer the rest.

Li-ions self-balance in parallel, so IMO, that's the safest way. If you have a weak cell, it'll be propped up by the others and they'll all discharge at a similar voltage.

In series, the weak cell can be driven to a negative voltage and :poof:

Those voltages you listed are low, but still safe. They're close enough not to worry too much, but if the 3.02 cell gets further away from the others after a discharge, I'd look at replacing it.

Richard Costin · Jan 19, 2013

Thanks Mvyrmnd!

RCLumens · Jan 19, 2013

Thanks mvyrmnd!

mvyrmnd said:
I don't know about how they're wired, but I can answer the rest.

Li-ions self-balance in parallel, so IMO, that's the safest way. If you have a weak cell, it'll be propped up by the others and they'll all discharge at a similar voltage.

In series, the weak cell can be driven to a negative voltage and

Those voltages you listed are low, but still safe. They're close enough not to worry too much, but if the 3.02 cell gets further away from the others after a discharge, I'd look at replacing it.

Jetbeam RRT 3 3xXML Battery configuration

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