My Quanum QRF400 Modifications

Hi Tek,

there must be something wrong with your bike.
The Turnigy QRF lipo has nearly twice the capacity and 1/3 more voltage compared to your LiFe battery. On the other side the runtime with the turnigy lipo on full speed with my bike is aprox. 10 minutes. I just can explain those facts with the power your bike has and this must be a pretty difference to my configuration if you compare the stats I just mentioned.
I already posted some driving videos of my bike. Do you have one with your LiFe battery? Would be pretty interesting.


Edited by sebdel - 26/Nov/2010 at 8:16pm

hahha...it's in backorder.

rechecked my last orders.

Originally posted by rnst2 rechecked my last orders. so the batts that's coming in are 20C. so @40C, would i still worry? please advise. thanks.

The number of Cs indicate on the lipo is the abiltity of the bat. to produce that maximum rated amount of current.
If you are using a 27 turn motor , the consumption of the motor for example is only maybe 10C. So the motor draw from the bat only 10C.
C is the current and also the capacity of the battery.
So if your lipo is 5000mah= 5amp 20C, then the lipo is able to produce maximum 20 multiply by 5 equals to 100amps of power.
In order to increase the discharge current, you will have to connect both lipo togather in parallel.


Edited by TEK - 27/Nov/2010 at 7:51pm

Originally posted by rnst2 dang....i just placed an order for a 1300 3s batts x2, and thinking of putting them in series. btw, any Lipo charger will do for the LiFe? i'll putting in that b56 can in it. it shouldn't have a problem with 6.6v? would it? thanks again. ernesto

DO NOT CONNECT 2 3S LIPO IN SERIES!!!! The voltage will increase to 22.2 volts!!!!

LiFe bats need charger with LiFe bat mode to charge.
I have try using lipo mode to charge LiFe bats , still chargeable output volts increases.
But NOT recommended, may damage bat.