Notice the difference between ...
Maximum amps for chassis wiring
and
Maximum amps for power transmission.
Maybe 7 amps max for charging through a 22 awg wire
But
When drawing amps from the battery - through controller - to motor
a 12 awg wire is rated for only 9.3 amps per wire, so 18.6 amps to the controller
Not quite sure of that since the lipo's have 10 awg Red/Black wire and they are suposed to be able to put out over 100 continious ( for us that stick to the only pull 25% - 33% of rated amps from Lipo packs then even 10 awg is a little small ? )
I had used 12 awg wires for my series/parallel harness from battery pack to the controller to Mac motor of 26 amps ( 13 amps per wire)
for the few times that I have used lipo packs on it now, looks like time to make a 10 awg series/parallel harness ?
AWG gauge Conductor
Diameter Inches Conductor
Diameter mm Ohms per 1000 ft. Ohms per km Maximum amps for chassis wiring Maximum amps for
power transmission Maximum frequency for
100% skin depth for solid conductor copper Breaking force Soft Annealed Cu 37000 PSI
0000 0.46 11.684 0.049 0.16072 380 302 125 Hz 6120 lbs
000 0.4096 10.40384 0.0618 0.202704 328 239 160 Hz 4860 lbs
00 0.3648 9.26592 0.0779 0.255512 283 190 200 Hz 3860 lbs
0 0.3249 8.25246 0.0983 0.322424 245 150 250 Hz 3060 lbs
1 0.2893 7.34822 0.1239 0.406392 211 119 325 Hz 2430 lbs
2 0.2576 6.54304 0.1563 0.512664 181 94 410 Hz 1930 lbs
3 0.2294 5.82676 0.197 0.64616 158 75 500 Hz 1530 lbs
4 0.2043 5.18922 0.2485 0.81508 135 60 650 Hz 1210 lbs
5 0.1819 4.62026 0.3133 1.027624 118 47 810 Hz 960 lbs
6 0.162 4.1148 0.3951 1.295928 101 37 1100 Hz 760 lbs
7 0.1443 3.66522 0.4982 1.634096 89 30 1300 Hz 605 lbs
8 0.1285 3.2639 0.6282 2.060496 73 24 1650 Hz 480 lbs
9 0.1144 2.90576 0.7921 2.598088 64 19 2050 Hz 380 lbs
10 0.1019 2.58826 0.9989 3.276392 55 15 2600 Hz 314 lbs
11 0.0907 2.30378 1.26 4.1328 47 12 3200 Hz 249 lbs
12 0.0808 2.05232 1.588 5.20864 41 9.3 4150 Hz 197 lbs
13 0.072 1.8288 2.003 6.56984 35 7.4 5300 Hz 150 lbs
14 0.0641 1.62814 2.525 8.282 32 5.9 6700 Hz 119 lbs
15 0.0571 1.45034 3.184 10.44352 28 4.7 8250 Hz 94 lbs
16 0.0508 1.29032 4.016 13.17248 22 3.7 11 k Hz 75 lbs
17 0.0453 1.15062 5.064 16.60992 19 2.9 13 k Hz 59 lbs
18 0.0403 1.02362 6.385 20.9428 16 2.3 17 kHz 47 lbs
19 0.0359 0.91186 8.051 26.40728 14 1.8 21 kHz 37 lbs
20 0.032 0.8128 10.15 33.292 11 1.5 27 kHz 29 lbs
21 0.0285 0.7239 12.8 41.984 9 1.2 33 kHz 23 lbs
22 0.0253 0.64516 16.14 52.9392 7 0.92 42 kHz 18 lbs
wesnewell said:
ScooterMan101 said:
Charge , only through the Balance Leads ?
Balance leads are .. 22 awg .
How much current can you pass through a 22 awg wire ?
About 7A per cell.
http://www.powerstream.com/Wire_Size.htm