72v8000w30ahVariant offered out or unavailable 72v8000w40ahVariant sold out or unavailable 72v8000w50ahVariant bought out or unavailable 72v8000w60ahVariant sold out or unavailable 72v8000w80ahVariant marketed out or unavailable 72v8000w100ahVariant sold out or unavailable 72v10000w30ahVariant b