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#MD-9600 DMR VHF/UHF Mobile radio
#MD-9600 DMR VHF/UHF Mobile radio
--PS23SWI Fixed Volt Switching Power Supply with Power Analyzer
--PS23SWI Fixed Volt Switching Power Supply with Power Analyzer

Model: PS23SWI

Description: Low Profile & Small Foot Print Fixed Voltage Switching Mode Power Supply with Cigarette Socket

This series of convection cooled switching mode power supply is designed for radio equipment. It is exceptionally immune to Radio Frequency Interference at close range. Heat is dissipated from the heat sink and the aluminum base for efficient natural cooling. It has the small footprint of popular radio transceivers and the low profile casing making it fall in place with a host of equipment in a tight spot. The constant current protection, over temperature protection and output Over Voltage Protection (OVP) ensure better reliability and safer protection to be both the power supply and its connected load. One main DC output at the rear and a front mounted cigarette lighter socket provide convenient DC connectivity. It has excellent line and load regulation, low ripple and noise, optional efficiency of 80% and a power factor of 0.7.


  • Fan Cool (0 to full speed)
  • High RFI immunity
  • Binding post and cigar socket DC output
  • Overload, Short Circuit protections by constant current circuitry.
  • Output Over voltage Protection
  • Power Factor Control
  • Floating ground design
Output Voltage 13.8VDC +/- 0.5V
Output Current (Main Output Posts) 1 min 50% Duty Cycle 23A cont. 25A Max
Ripple and Noise <= 50mV p-p 5mVrms
Load Regulation (0-100% load) <= 100mV
Line Regulation (+/- 10% Variation) <= 50 mV
Input Voltage 110VAC
Indicators Red LED Overload Indicator
Cooling System Fan Cool (0 to Full Speed)
Operating Temperature (32-104F (0-40C)
Protection Overload, Over Temperature, Short Circuit by Constant Current Circuitry and Output Over Voltage Protection
Approvals CE Standard
Dimensions (W x H x D) 7.2 x 2.5 x 7.5 inches (181 x 63 x 190mm)
Weight 3.5 lbs (1.6 kgs)

green meter


This easy to use meter is ideal for monitoring eight electrical parameters that are essential to electric power safety and performance: Amps, Volts, Watts, Amp-hours, Watt-hours, Peak Amps, Minimum Volts (Sag), and Peak Watts. With a capacity of up to 60 volts and 150amps, high contrast green backlit display and auto reset feature, you’ll be sure find many great uses for this watt meter and power analyzer

Safety Precautions

High power electrical systems pose many dangers. It is the user’s responsibility to be familiar with these dangers and take any action necessary to ensure safe use. Shorting a battery or battery charger can have serious consequences including explosion, fire, damage to equipment, or personal injury. Exceeding the rated specifications or shorting the watt meter will cause damage to the meter and void your warranty.

Initial Setup & Wiring

The red source wire goes to the positive (+) source or battery terminal. The black source wire (-) goes to the negative terminal. Use caution when making connections to ensure all connections are tight use adequate wire size to handle higher amps/current. This watt meter is available with either Anderson PowerPole® connectors pre-installed or with bare wire ends for installation of your own type of connectors.

Watt Meter Display Screen

Startup Screen

Each time power is applied to the watt meter (or the auxiliary power connector), the startup screen is briefly displayed. Then the Amp-hours, Watt-hours, Peak Amps, Minimum Volts, and Peak Watts parameters are all reset to zero.

Display Parameters

The display screen will continuously measure and display Amps, Volts and Watts. All other values are presented sequentially every second. In the lower left position of the display, data values are identified by their units (Ah, Wh, Ap, Vm, Wp).

Amps (Current) & Peak Amps (A, Ap)

Only current from source to load can be measured. Drawing current in reverse will cause damage to the meter. The Amps (A) value displayed shows the average current over the last screen refresh. The Peak Amps value (Ap) displays the maximum current drawn since the meter’s last startup. Spikes or peak amperage readings lasting a fraction of a second may also be captured.

Voltage & Minimum Volts (V, Vm)

The displayed Volts (V) value is the average voltage from the last screen refresh. The displayed Minimum Volts (Vm) value is the minimum voltage or “sag” measured on the source side, since the meter’s last startup.

Watt-hours (Energy) (Wh)

The displayed value is the total energy delivered in Watt-hours since the meter’s last startup. It is measured from the load side for the most accurate results.

Amp-hours (Charge) (Ah)

The displayed value is the total charge delivered in Amp-hours since the meter’s last startup. It is measured from the load side for the most accurate results.

Watts (Power) & Peak Watts (W, Wp)

The displayed Watts (W) value is the average Watts (Amps * Volts) from the last screen refresh. The displayed Peak Watts (Wp) value is the maximum watts measured since the meter’s last startup.

Auxiliary Power Connector Cable

By connecting the watt meter directly to a battery or power source, the meter requires a minimum of 6V to power itself. However, if you are using the optional auxiliary power connector, the meter can be powered through the auxiliary source, and measure the complete range of 0 to 60V. Another benefit of the optional auxiliary power connector is that it powers the meter through the auxiliary source. The regular source to load measurements become more precise, as the measurements do not include the small amount of power required to operate the meter. Only 2 of the 3 wires on the auxiliary power connector are used. Refer to the watt meter black housing for (+) and (-) indicators showing how to power the watt meter using the auxiliary input.

Connection Example Diagrams

Typical Load Testing

The following diagram shows the most common use of the watt meter, connecting a DC source like a battery , solar panel or power supply (6-60V), to any DC load.


Load Testing Below 6 Volts

The following diagram shows the use of the auxiliary power connector which powers the meter externally and allows voltage measurements down to 0V. This configuration also provides increased accuracy and lower loss as power consumed by the meter is not included in the measurements. is pin1 and is Negative(ground). Pin 2 is positive. Pin 3 has no connection


Battery Charging

The following diagram shows how a battery must be moved to the load side to measure battery charge, as the power flows from the battery charger (source), to the battery (load).


Voltage: 0 ~ 60V, 0.01 V resolution (6 to 60V without optional auxiliary power connector)
Amps: 0 ~ 150A, 0.01 A resolution (75A continuous, 150A peak)
Watts: 0 ~ 9000W, 0.1 W resolution
Amp-hours: 0 ~ 65Ah, 0.001 Ah resolution
Watt-hours: 0 ~ 6554Wh, 0.1 Wh resolution
Display: High-contrast Green backlit LCD display
Size: 3.3 x 1.7 x 1.0 inch (85 x 42 x 24mm)
Weight:  0.18  lb (82 g)

PowerPole® is a registered trademark of Anderson Power Products, Inc.
Anderson Power Products® is a registered trademark of Anderson Power Products, Inc.
Anderson Power Products, Inc., (“APP”), an IDEAL company

#QJE  counter- QJE-PS23SWI#

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This product was added to our catalog on Tuesday 07 November, 2017.
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