The rechargeable lithium-ion battery is designed for the EKP V Portable Glass Cockpit System allowing portable use.
If you have an older style of EKP with the 3 contacts on your motherboard case, this battery wont be compatible, so you’ll need to send your unit in to the Mfr AVMAP and they’ll tell you to mail the unit to a place in florida for a motherboard/case swap out. Then this battery would be compatible. If you have a newer 4 contact pins AVMAP on your case then you can order this battery.