72v8000w30ahVariant bought out or unavailable 72v8000w40ahVariant bought out or unavailable 72v8000w50ahVariant marketed out or unavailable 72v8000w60ahVariant bought out or unavailable 72v8000w80ahVariant marketed out or unavailable 72v8000w100ahVariant bought out or unavailable 72v10000w30ahVa