I have 144v of 100Ah cells. You're going to have 120Ah so should get a
little more range. My truck uses short bursts of 300amps to get going
and around 60 amps to maintain 40mph on level roads. I have a couple of
steep hills near me, however, that I need 500amps to climb. I'd be very
concerned about such tiny wires.
--Rick
On 10/23/2015 03:49 PM, Willie2 via EV wrote:
On 10/23/2015 02:14 PM, rick via EV wrote:
I have a converted Ranger. I seem to do about 500Wh/mile which gives
me a 40 mile range. Most of the time that's plenty but I regret that I
couldn't afford big enough batteries to give me 60 or 70 miles as I
build furniture and some of the better hardwood outlets are more than
20 miles away.
The next project in my ebike battery queue is a previously converted
Ranger.
I have four of these:
http://is.gd/j4BtyS
on order for about $1300 each. The equivalent price for monolithic
LiFePo cells is $.97 /ah/cell. But, that <$1 includes the BMS. Each
battery should give me 4.3kwh of energy and up to 60 amps of current. I
believe that 240amps will be sufficient but, if not, the modularity
allows me to just add more batteries. And, the same for range. I
really expect my energy consumption to be closer to 400 wh/m or about
ten miles per battery. If so, and 40 miles is not sufficient, I can
just add more batteries.
The previous incarnation of this Ranger had 120v of 160ah LFP cells,
just under 20kwh. It was not driven on public roads, but I believe it
had a range of about 50 miles.
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