1、电量 Q = IΔt = (P/U)·t = (130W/14.8V)·3600s = 31621 C （库仑）时间：t = W/P = 130Wh/28W = 4.64h2.电流=6400mAmAh吧。

Q = IΔt = 6.4A·1h = 23040 C t = W/P = UI/P = 7.4V·6400mAh/18W = 2.63h说明：电池能量 E = UIt，mAh是电荷量单位，Wh是能量单位t = E/P