Your universal adviser on the subject of batteries and accumulators shows you in seconds how fit your energy supplies are for the widest range of batteries and accumulators from 9v blocks through standard commercial 15v batteries to special photo and button cells the following battery types can be tested micro aaa mignon aa baby c mono d 9v block button cells 15v and 3v power is supplied through the aaa batteries provided dimensions wxhxl 85x22x 120mm