Blue Apple Portable Dual Battery System The Thumper/Urban range is used as a Dual Battery System for vehicles which cannot fit a dual battery system under the bonnet. The unit offers the versatility of a dual battery system, which can be seperated from the vehicle and used as a portable battery bank that offers the capability of a spike protected jump-starter.

What is a power inverter?
A power inverter is a device that converts DC power (12 or 24 volt) into AC power (240volt). The AC power output is usually 230VAC, 50Hz.

How can an inverter be used?
With a large enough battery bank or alternator output from a vehicle almost anything can be powered from an inverter, assuming that the inverter has a high enough power output for the given load. Everyday appliances such as microwaves, power tools, TV’s and DVD players, lights, audio/visual equipment, battery chargers and computers are common loads. Sine Wave inverters on the other hand are ideal for running sensitive appliances. Brands such as Victron Energy, COTEK and Sinergex are all inverters designed to run sensitive test equipment such as communication equipment, scales, high end stereos and video equipment and communications equipment.