Set of (9) US Battery, US8VGCHC, 8 Volt, 183 Amp. Installed new approximately 18 months ago all in great condition. We upgraded our 72 volt EV's to Lithium that is the reason for selling the set. Selling as a complete set only. To call for more information contact Dennis, Monday - Friday, 7AM-4PM or leave message and i will return your call. Thank You.