Even though the APS and DLS series power converter/chargers look the same, there are some significant differences. The following information should help you to determine the best product for your application.

The APS series power supplies are designed for powering 12 volt audio gear, Radio Transceivers and accessories. The APS units are very quiet and have extremely low noise with very fast line/load regulation. Additionally they carry a 3 year direct exchange warranty. These units are well suited for the following applications.

Mobile Electronics Retail Displays
Bench Power Supply for Testing and Troubleshooting
Trade Show Demo Vehicles and Boats
Car and Marine Audio Systems
Communication Equipment
Vehicles with onboard communications and computing equipment (Police, Fire and Military)
With the addition of the IQ-4 module the APS units can become great multi-stage chargers

The DLS series power supply/chargers are well suited for battery charging and maintenance as well as non sensitive loads. Examples are listed below.

Battery Charging (Commercial/Industrial)
Battery Charging for Off Grid Solar Systems
Battery Charging for Fork Lifts, Golf Carts and Wheel Chairs
Battery Charging for RV and Commercial Vehicles
Power for Low Voltage Lighting
Motor and Pump Loads