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Charge lead for Futaba RX LiFe battery

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Old 06-18-2017, 07:55 AM
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Wild Beat
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Default Charge lead for Futaba RX LiFe battery

Hello all,
I'm looking for advice on how to charge futaba FR2F800 type receiver battery. The battery is 2 cell, LiFe PO4 type battery, and is charged through the balance lead (3 wires, black blue and red).
Does anyone know how to creat a charge lead to plug into the a regular type charger? One with regular charge ports and a balance board?

Also, i have two of these batteries in the plane. Is it possible to create one lead to charge the two batteries in parallel?

Thanks for any help you can give!
Wild Beat
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Old 06-19-2017, 08:11 AM
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It appears to have the standard JST-HX balance connector.
What charger do you have?
Does you chargers balance board have a 2S JST-HX connector?Pete
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Old 06-19-2017, 09:52 AM
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Wild Beat
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Hi Pete! The balance board I'll be using is capable of 6 cells max I think, with only connector per cell count (2S, 3S, 4S...). Yes, it is a HX type connector.
So I just need to know how to: (a) make a charge lead that connects to both the balance board and the balance cable. Is that simply a case of directly soldering the charge leads to the balance cable (pos-to-pos, neg-to-neg?) and (b) see if it possible to make one cable to balance charge (in series or in parallel) the two packs together at the same time.
Thanks for your answer. Wild Beat.
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Old 06-22-2017, 03:53 AM
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LiFe or NiMh?
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