The ENGEL Battpak is a portable deep cycle dual battery system for powering your ENGEL Portable Fridge / Freezer and Accessories, in & out of your vehicle. The Battpak is a maintenance free rechargeable sealed lead-acid battery. It will operate in any position without leakage and at temperatures between -20 degrees C and + 50 degrees C. The Battpak 28 has two outlets, one 12 volt cigar plug and one ENGEL Posi-fit socket all outlet are fitted with ON/OFF rocker switches and fused at 15 amps. Product Details: Name: 28 amp / hour Battery Pack Model No: BATTPAK28 Category: Off Road Accessories Sub-Category: Battery Packs External dimensions: H 285 W 190 D 200 (mm) Net Weight: 14.00 Kg Power: 12 Volt DC