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Power Conversion, Batteries, Etc.



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Wall Adapters

19VAC@.84Amps UL Class 2
One order consists of 5 pieces.
19VAC - 5 Wall Adapters ..............$15.00
14 Volts 1 amp
With the negative lead of the 14 volt output also being connected to the third grounding pin of the wall plug. This approach eliminates a separate grounding wire often necessary when powering single end neon display drivers and high voltage power supplies. 6' cord, 2.5mm jack.
14DC/1G ..............$19.95
14 Volts 1 amp
As above, but with stripped leads and without grounding pin.
14DC/1 ...................$9.95
12 Volts 4 Amps, Fully Regulated
Operates from 100 to 240 vac input with a standard 3-prong US plug. 3 foot output cable with a 5 mm output plug. Included IEC power cord. CE recognized.
12DC/4AR ..............$29.95
12 Volts 1.5 Amp
Wall adapter, 6' cord, stripped leads.
12DC/1.5 ..............$15.95
12 Volts 1.5 Amp
Wall adapter, 6' cord, 3.5mm plug.
12DC/1.5A ..............$15.95
12 Volts 1 Amp, Fully Regulated
Operates from 100 to 120 vac. 6 foot output cable with a 2.1mm output plug. UL and CUL CE FCC Recognized.
12DC/1AR ..............$12.95

12 Volts .3 amp Wall Adapter, 6' cord, 2.5mm plug.
12DC/.3 ..........$3.50

12 Volts .8 amp Wall Adapter, 6' cord, stripped leads.
12DC/.8 ..........$8.95
3VDC 100mA
Input: 115VAC wall power. Output: 3VDC, 100mA. Cable: 6 foot with 2.1mm plug. UL Approved.
3DC/.1 ..............$3.95
3VDC 300mA
Input: 115VAC wall power. Output: 3VDC, 300mA. Cable: 6 foot with 3.5mm plug. UL Approved.
3DC/.3 ..............$5.95


Fixed Voltage Power Supplies

13.8 Volts 7 amps Regulated from 115 vac
Powers 12-14 volt projects from 115 vac. Size 5.7 x 4 x 9 at 6 pounds. Thermal and fuse protected with auto reset. Built in surge protection, illuminated switch, low ripple with heavy duty housing.

12DC/7 ..............$39.50

13.8 Volts 12 amps Regulated from 115 vac
Powers larger 12-14 volt projects from 115 vac. Size 5.7 x 4 x 9 at 9.25 pounds. Thermal and fuse protected with auto Reset. Built in surge protection, illuminated switch, low ripple with heavy duty housing.

12DC/12 ..............$59.50


Metered and Adjustable Lab Power Supply

Adjustable 0-20 Volts 10 amps Regulated from 115 vac
Excellent for R&D lab, hobbyist, and electronic experimenter. Allows powering larger 0-20 volt projects from 115 vac. Size 7.75 x 4 x 9 at 19.50 pounds. Thermal and fuse protected with auto Reset. Built in surge protection, illuminated switch, low ripple with heavy duty housing.

20DC/10ADJ ..............$199.50


Rechargeable Sealed Lead-Acid (SLA) Battery

12V 7A hours
For science projects where 115VAC is unavailable. Dimensions: 6 x 2.5 x 3.7" at 3 lbs. Can use CHARGER12 (below) to charge from a wall outlet.

BAT12/7 - SLA Battery ...................$24.95

12V 5A hours
More compact than the BAT12/7, for projects that require a smaller power source (3.5 x 2.75 x 4"). Can also use CHARGER12 to charge from a wall outlet.

BAT12/5 - SLA Battery ...................$24.95

Charges 2 volt / 6 volt and 12 volt batteries
  • Short circuit and wrong polarity prevention
  • Constant final charging current
  • Charging will only take place with correctly connected battery
  • Optical display for charging and polarity
Note: NEVER use battery chargers to power electronic devices. A "12V battery charger" can output up to 20 actual volts. This extra voltage enables it to charge a 12V battery, but the same extra voltage can burn out your 12V electronics. So either use the correct 12V power supply or a 12V battery, but never power your electronic devices with battery chargers.

CHARGER12 ..............$14.95


International Step Down/Step Up Transformer, 300 Watts

Allows power flexibility when using equipment in the worldwide market. Provides up to 300 watts of power conversion.
  • Power: 300VA
  • Primary voltage: 220VAC
  • Secondary voltage: 110VAC
  • Dimensions: 3.50"H x 3.05"W x 3.95"D
  • Weight: 4.8 lbs.
TR220/110/300 - 220V/50Hz/300W Step Down Auto Transformer With European Plug ....$59.95

International Step Down/Step Up Transformer, 50 Watts

Allows power flexibility when using equipment in the worldwide market. Small and portable, provides up to 50 watts of power conversion.
  • Power: 50VA
  • Primary voltage: 220VAC
  • Secondary voltage: 110VAC
  • Dimensions: 2.50"H x 1.63"W x 1.25"D
  • Weight: 11 oz.
TR220/110/50 - 220V/50Hz/50W Step Down Auto Transformer With European Plug .........$19.95

Modified Sine Wave Inverters
Provides normal 115 vac from your car, vehicle or 12 volt battery power

INVERTER150
Powers laptops, camcorders, small TV's, games and much more.
  • 150W continuous power
  • Modified sine wave
  • Green LED on front panel to confirm power on
  • Red LED on front panel to warn of a faulty condition
  • Single ac receptacle
  • On/off switch
  • Over Temperature protection
  • Over Load protection
  • Noise free operation
  • Enclosed cigarette lighter connections with built in fuse
  • ac output short circuit protection
  • Auto reset on most fault conditions
  • Aluminum case for optimal cooling
  • Instruction manual
  • Free tech support
  • 1 Year Warranty
INVERTER150 ..............$39.95


INVERTER400
Powers laptops, camcorders, small TV's, games and much more.
  • 400W continuous power
  • Modified sine wave
  • Green LED on front panel to confirm power on
  • Red LED on front panel to warn of a faulty condition
  • Dual ac receptacle
  • On/off switch
  • Over Temperature protection
  • Over Load protection
  • Single cooling fan operation
  • Enclosed direct connect cables
  • External replaceable blade fuse
  • ac output short circuit protection
  • Auto reset on most fault conditions
  • Aluminum case for optimal cooling
  • Instruction manual
  • Free 1 year tech support
  • 1 Year Warranty Parts and Labor
  • Includes cigarette lighter connections with built in fuse(To protect the vehicles wiring, the vehicles cigarette lighter adapter can only handle 180 watts, if you are going to use more than 180 watts you must wire inverter to battery)
INVERTER400 ..............$59.95

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Orders: 603-673-6493 | Fax: 603-672-5406
Email: Sales & Orders | Email: Tech Support

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PO Box 716, Amherst, NH 03031-0716