#### Dx

[del]Q = I * [del]T = 13.5(600) = 8.1x10^3

I got this wrong, what happened?

2) a battery is rated 12V and 160Amp-hours. How much energy does the battery store?

12V * 160 = 1.9kJ

I got this wrong, can anyone gimme the correct formula(s) to plug in and solve