5s or 10s A123 setup for boat? - RC-Monster Forums

zeropointbug · 07.03.2009, 07:11 PM

Is that 2000watts sustained? or bursts?

2000watts is quite doable with 10 cells sure, but I am just wondering about air flow... Example, I ran a 8s1p A123 pack in my lawn mower at 800 watts sustained, and even higher bursts (~1000watts), that lasted roughly 4 minutes, and discharged 2200mah (of 2300mah 'rated'). NOTE: A123 cells sure do put out their rated capacity, no matter the load on them.

Did you take a look at my eagletree graph I posted?

zeropointbug · 07:17 PM

2000watts, I would design the setup then for 2.4v - 2.5v/cell @ ~90 amps. For a 10s pack. Just a quick calc.

gimpygolden · 07.03.2009, 07:30 PM

Quote:

Originally Posted by zeropointbug

Is that 2000watts sustained? or bursts?

2000watts is quite doable with 10 cells sure, but I am just wondering about air flow... Example, I ran a 8s1p A123 pack in my lawn mower at 800 watts sustained, and even higher bursts (~1000watts), that lasted roughly 4 minutes, and discharged 2200mah (of 2300mah 'rated'). NOTE: A123 cells sure do put out their rated capacity, no matter the load on them.

Did you take a look at my eagletree graph I posted?

I don't intend on running 2000+watts, just an example of their capability.

I did check out the ET graph,was that on the mower?