Yes 9 AH my first time down with E-bike Pedelec with only half speed with a trailer and child drinne he pulls away on straight 15 Kmah According voltmeter I go only on 22 volts including harmful ,, at 4-5 charge they should be achieved the 20 kmh with trailers. what can I say 00000an best would lead always with 12-15 Ah pedelec drive for short distances to 10-15 km ranges of these had bought 2 of the host to purchase at any time and hour again passing the sentence 1 has already 600 km down from February and still the same ergebinss