This is a replacement or spare fencer energiser battery 75 amp 9 volts 90 ah sealed and compact small disposal weight high efficiency also at 6 c not rechargeable alkaline version of 90ah saline battery energy output 570 wh suitable for fencers up to 08j not rechargeable dry battery sealed and compact ag fence 9 volt 90ah 75 amp energy output 570 wh alkaline version of 90ah saline battery high efficiency also at 6 c suitable for small fencers up to