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Inverter/Charger UPS System
2000 Watts

This is an alternative energy source for every situation.  Tripp Lite's versatile APS Series of high-efficiency DC to AC inverters offers an alternative source of affordable AC power in both off-grid and emergency situations.  An APS Series Automatic Power System can be used in a variety of ways.  For a better understanding of this unique device see our comparison of the APS Series with traditional UPS Systems.

Many remote locations and developing countries are not provided with reliable utility power.  In these areas, it is necessary to have a backup power system available to power AC electronics and appliances during blackouts.  When utility power is unavailable, the APS automatically senses the loss of power and switches to battery backup.  Users can supply as many batteries as needed to power critical equipment through extended blackouts.  Integrated battery chargers automatically bring batteries back up to full capacity when AC line power is restored.  APS systems are also the perfect complement to modern solar and wind powered energy home systems, as they are a reliable source of AC power when renewable sources become temporarily unavailable.

Computer systems, telecom systems, security devices and non life-support emergency equipment (such as sump pumps and lighting) can be provided with extended-run UPS protection by way of this APS system.  Adjustable battery backup operation for locations prone to extended brownouts or overvoltages.  User supplied batteries and cabling make an APS a low cost, dependable UPS system.

The inverter converts the DC battery power efficiently to AC at about 90% so you can get the most run time possible.  High short-term surge rating of 200% allows start up of electric motors and other heavy inductive loads.  User adjustable low and high voltage UPS transfer points.  Frequency controlled output using a modified sine wave is compatible with sensitive computer systems and electronics.  Front panel LEDs display complete status information including line power status, inverter operation, overload status and battery voltage level.

Integral battery charger is an advanced 3-stage design.  It provides a fast and safe battery recharge and charge-maintenance.  It uses a bulk, absorption and float charging sequence.  Automatic overload protection prevents damage to inverter and charger in the unlikely event of system overload.  Charger is user selectable to provide correct voltages for either sealed gel cell or vented wet cell batteries.   Charge-only mode of operation available to override UPS transfer.

Designed with convenient remote connector for optional remote panel.

The APS series is warranted by Tripp Lite for a period of one year (domestic) or 120 days (export) from the date of original purchase.  Provided with complete instruction manual.  Not UL Listed.  Click here for a list of Tripp Lite literature and manuals for viewing online.


Click for manufacturer's sizing guide (2.2 MB pdf file)

Parameter Value
Input Voltage Rating 12 VDC nominal, 10-15 VDC range
Output Voltage & Frequency
(battery mode)
120 VAC + 5%, 60 Hz + 0.5%
Continuous Power Output Rating 2000 Watts AC
Overload Rating (to 1 hour) 3000 Watts AC
Surge Power Output Rating (to 10 seconds) 4000 Watts AC
AC Output Connections hardwired
AC Input Connection hardwired, 38A max continuous
Automatic Transfer Time 4-6 ms
Run Time (see Note 1 below) depends on batteries connected
Battery Types
(purchase separately, see Note 2)
sealed gel cell or vented wet cell,
or order Tripp Lite 98-121
Battery Charger Output Rating 100 amps DC
LED Displays (6 total) on utility power
on battery power
battery high/medium/low
DIP Switches load share
battery equalize
battery type
high voltage transfer at 135, 145 VAC
low voltage transfer at 75, 85, 95, 105 VAC
Optional Remote Controls LED information and switches between auto remote, off and charge-only modes
Temperature Range 32 F to 104 F
Dimensions (L x W x H) 8-1/2" x 16-1/4" x 7-1/4"

1) Select and size batteries based on your total expected load and run time.  Use one of the following two plots.  Read the number of Tripp Lite #98-121 gel cell batteries from the left plot, or if you plan on using other batteries read the required amp-hours from the right plot.  

Aps-runb.gif (9166 bytes)   Aps-runa.gif (9373 bytes)
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2) If you are purchasing batteries elsewhere, be sure to use only the proper types as described above.  We DO NOT recommend using standard vehicle starting batteries as these will wear out after only a small number of discharges.  Use only "deep cycle", marine or golf cart batteries.

3) Because this is a high capacity inverter with an input of only 12Vdc the dc current is very large.  This requires heavy 2/0 cables for connecting the batteries.   An alternative that results in much lower current and smaller cables is the APS2424 which is designed for 24Vdc.  

3) This unit is large enough to power most sump pumps.  Click here for some high efficiency sump pumps.   If interested in these request a quote by e-mail.



Item Number: APS2012
Price: $983
Price last updated 10/1/2023
Shipping Weight: 44 lbs.
This item normally ships in approximately 2-3 weeks or less.


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