Power-Sonic PS-1229密封铅酸电池12V 2.9AH 145mA Brand/Series : PS Series Capacity : 2.9 Ah Chemical System : Lead Acid Classification : Rechargeable Dimensions : 7"L×1.38"W×2.6"H Material, Jacket : Non-Conductive ABS Plastic Primary Type : Rechargeable Size : Rectangular Temperature, Operating : -20 to +50 °C Temperature, Operating, Maximum : 60 °C Temperature, Operating, Minimum : -40 °C Termination : Quick Disconnect: 0.187 Voltage, Nominal : 12 VDC Voltage, Rating : 12 V Weight : 2.3 lbs.