IOTA Engineering DLS-27-25-IQ4

25A 108-132 VAC In AC/DC Battery Charger
Material Handling, Telecommunications
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The DLS-27-25 Power Converter/Battery Charger from IOTA Engineering converts nominal 108-132 AC voltage to 27.2 DC voltage for both DC load operation and 24V battery charging.

As a power supply, the unit's tightly controlled regulation allows the user to operate a nominal 24VDC load up to 25 amps.

As a battery charger, the unit will maintain the battery, delivering its full-rated current when the battery capacity falls sufficiently low. The voltage is set to deliver its maximum current for the necessary period of time to minimize undue stress to the battery caused by heating of its cells. This helps to ensure the longest possible life of the battery. Over time, as the battery nears its full capacity, the DLS-27-25 will automatically drop the current, providing a float-charge to the battery to prevent self-discharge of the cells

  • Switch-mode technology
  • Exceptionally clean DC output
  • Tight line-load regulation
  • Quickly and efficiently charges batteries
  • Designed to withstand low transient AC line voltage
  • Current limit and thermal/overload protection
  • Quiet fan operation
  • External reverse polarity fuse protection from incorrect battery connection
  • High and normal-stage charging jack


Input Voltage: 108 - 132 VAC
Input Current: 12.2 A (@ 108VAC)
Input Frequency: 47 - 63 Hz
Efficiency: > 80 % at Full Load
Constant Output Voltage: 27.2V
Output Current: 25A
Stages: 4 stage with IQ4 Smart Charge Controller
Phase: 1 Phase
Isolation Input-Case: > 1700 VDC
Isolation Input-Output: > 1700 VDC
Isolation Output-Case: > 500 VDC
Length: 24.6 CM
Width: 17 CM
Height: 8.64 CM
Weight: 2.27 KG


  • Expanded terminal block UL rating to accommate 2-gauge connection for greater installation distance and less voltage drop
  • Two mounting footprint options with additional mounting adaptor plate
  • Exceptional cooling efficiency means minimized venting for increased protection against debris and other elements


  • Recreational Vehicles and Marine
  • Solar/PV Systems and Alternative Energy
  • Road Signal Equipment
  • Specialty Vehicles
  • Telecommunication Systems


  • Emissions Meets FCC Part 15, Class B
  • RoHS Compliant
  • UL Listing for United States and Canada