Dx7 battery

[animal47]

How many volts can I put through my dx7 as I have just found out that my Imax b6 will not charge the life battery that is fitted in my dx7.
I now have to find the cheapest way of sorting this by either getting a suitable used charger if I can find one or a different battery.
Any suggestions as I am a bit fed up now as I was sure my Imax was life compatible and now I have a virtually flat tx and with no way of charging it and nice flying weather doh.

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[GIXERMAN]

0.5 amp or your blow internal fuse,

[1chris]

why dont you just go and buy a new charger?

[animal47]

I have spent enough over the last few weeks and the paypal pot is now empty so any new purchases are too easily found out so unless you know of a cheap charger then I am guessing a different battery would work out cheaper.

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[1chris]

What!!!...... just looked a charger for the dx7 is only £9.99 plus postage a new battery will cost 20 to 30 pounds

[animal47]

Is that for a charger capable of charging a life battery.

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[animal47]

Well a bit more searching has shown me that I can change my b6 charger settings for life batteries so the only thing I can't do is plug in the balance lead.

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[1chris]

Thats for the charger to charge the standard DX7 battery dont know what the standard battery is

[big500]

Chris, the standard battery is a 9.6v NiMh rated at 1500 mA
Animal, the B6 will charge LiFe batteries, set it to 3S @ 9.9v, the JST balance plug only fits one way (it is keyed), in the bottom left port on the B6 (4 pins)
Out of the DX7 the battery can be charged at 1.5A (if it is a 1500 maH) There is a 800mA fuse in the DX7, so it is adviseable not to fast charge any battery through the transmitters DC power socket. If you do want to slow charge through the socket, remember that the plug is Centre Negative, most leads have the red wire connected to the centre pin, so check with the multimeter first. IIRC the Spektrum charger supplies 140mA, but it is designed to charge the NiMh pack. I think the first DX7's were supplied with a NiCd pack and a lower rated charger.

Steve

[big500]

Animal, forgot to add - have you calibrated your B6? have a look on youtube, its an easy process. If the B6 senses the incorrect voltage of a battery it will not provide the best charge

Steve

[animal47]

I can now charge the battery ok but i cant plug in the balance plug as i have a different type of plug to what i have on my lipos and it doesnt fit the imax.


The plug on the left is a normal lipo balance plug and the plug on the right is what i am trying to get to fit so does anyone know which convertor lead i need.

[big500]

Animal, you may be able to obtain an adaptor if you know what the battery was originally intended for, otherwise try AC Farnell to source a 4 way JST plug, connect the wires one by one (as yours looks to have 2 yellows) make sure the red abd black are oriented the same way as the one on the left if you change the plug. Good luck


Steve

[WildWake]

I use these, charged from B6
LiPo RC Transmitter TX Battery Fo Futaba JR Spektrum KO | eBay

[ROCKET RONNIE]

I use these, charged from B6
LiPo RC Transmitter TX Battery Fo Futaba JR Spektrum KO | eBay

+1 here

[rapidgaz]

It looks like a tp/fp plug. You can get a converter lead from most decent model stores.


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