The 4 Ah Lithium Polymer 12v battery pack weighs less than 11 ounces and can power Gerbing's 12v heated products that do not exceed a maximum 48 watts (4 amps) draw. The battery comes in with a built-in five level temperature controller and a power level indicator that displays how much charge remains in the battery. The charger will charge the battery in approximately 5 hours and be recharged for hundreds of cycles. Charger sold separately.
12v Lithium Polymer 4 Ah Battery: 0.6 lbs, 3.5" x 3" x 1", $99.95