Sealed Lead Acid Battery 12V, 40.0AH is suitable for 35 W radio transceivers. Dimensions, in (mm)*: L: 7.76 (197) W: 6.50 (165) H: 6.69 (170) HT: 6.69 (170) *Tolerances are +/- 0.04 in. (+/- 1mm) and +/- 0.08 in. (+/- 2mm) for height dimensions. Approx. Weight: 29.10 lbs. (13.20 kg)