The versatile jumpstart 1224 has the power to start engines requiring 12 or 24 volts using 2x22ah batteries simply switch to the required voltage and connect the 1 metre cables to deliver up to 1000a of current at 12 volts or 500a at 24volts this feature rich unit includes a 5 bulb worklight audible warning when incorrectly connected and low battery alarm the jumpstart charges from mains and 12v with the adaptors provided so you can always be sure that it is ready when you need it and also h