Antigravity H5/Group 47 battery. I bought this for a different car and it has been sitting unused. I just installed an H7 battery in my Lotus which fit perfectly. This is a little shorter but the same height and width. Details:
antigravitybatteries.com
Asking $300 plus shipping.
H5/Group-47 Lithium Car Battery
Antigravity H5/Group-47 Hi-Power lightweight Lithium Automotive Battery with RESTART Technology. Replace lead/acid battery in Hi-Performance Cars.
antigravitybatteries.com
Asking $300 plus shipping.
