Ah to mAh calculation formula
Q(mAh) = Q(Ah) × 1000
The electric charge Q in milliamp-hours (mAh) is equal to the electric charge Q in amp-hours (Ah), multiplied by 1000.
mAh = Ah x 1000
milliamp-hour = amp-hour x 1000
Electric charge (Q(Ah)) = 7Ah
Electric charge (Q(mAh)) = 7Ah x 1000 = 7000mAh