West Mountain CBA A2 500W Amplifier - 58253-1281
Click the image to enlarge

West mountain radio Products

West Mountain CBA A2 500W Amplifier - 58253-1281 - Test at 5 times the power with a CBA amplifier - 2000 watt discharge.

(£0.00 exc. VAT)
(£616.63 exc. VAT)
Fast uk delivery
Worldwide delivery
In Stock
0 Reward points
Product code: 58253-1281
Download a pdf document for West Mountain CBA A2 500W Amplifier - 58253-1281 - Test at 5 times the power with a CBA amplifier - 2000 watt discharge.

Want to be notified when this product is back in stock? Complete the form below and we'll send you an email when it is.

Finance Available

Radioworld now offer finance through our partners Close Brothers.

Add the item to your basket in the normal way and at checkout choose to make payment via Finance. You’ll then be taken through to our partners Pay4Later to make your finance application.

Item CostFinance OptionDepositMonthly PaymentsTotal Cost
12 Months 14.9% APR
18 Months 14.9% APR
24 Months 14.9% APR
36 Months 14.9% APR
48 Months 14.9% APR
12 Months 19.5% APR
18 Months 19.5% APR
24 Months 19.5% APR
36 Months 19.5% APR
48 Months 19.5% APR

Capabilities, Perform Fast, High Power Testing

Test at 5 times the power with a CBA amplifier in between a CBA and your battery

500 watt discharge with a single amp and a CBA

1000 watt discharge with two amplifiers, a harness and a CBA

2000 watt discharge with four 20X* amplifiers, a harness and a CBA

Designed for commercial or industrial use

Test a Lithium cell at up to 120 amps / 500 watts with a single amplifier

Test a Nickel cell at 160 amps regulated down to .9 volts with a single amplifier

Test batteries at or near their current and temperature limits

Support for operation with one or more CBA 500 watt amplifiers and CBA V or CBA IV (CBA III units require Extended license)

* 20X amplifiers are a special order item.

Test at Real World Load Conditions,

Increases 100 watt continuous capability of CBA to 500 watts,

Discharge rates at up to 500 watts or 160 amps maximum, whichever is higher

High voltage testing at up to 55 volts; the equivalent of 1 to 38 NiCad or NiMh cells,

Extended Software License Unlocks Features for Serious Battery Testing,

Programmable automatic duty cycle test with up to 999 second on/off cycle periods,

Regulated constant power discharge (current goes up as battery voltage drops),

Temperature graphing with a recovery time option,

Ragone power density charting using battery weight (used for performance comparison of energy sources charting energy density (Watt-Hours/kg) vs power density (W/kg)),

Test-lead resistance voltage calibration utility to give higher accuracy voltage readings right at the battery terminals,

Enables placement of user notes on graphs,

Easy-to-Use Software for Data Analysis,

User selected battery cell chemistry, number of cells and test current,

Software recommends safe tests based on user supplied battery information,

Automatic graph setup and scaling,

Measures and displays voltage, current, amp-hrs, watts and temperature*

Easy overlay comparisons of multiple graphs may be displayed saved and recalled,

Save, display and print battery test graphs and battery labels,

Plug and Play high speed USB interface, with easy to use and intuitive Windows® software supplied on CD ROM,

* Requires optional temperature probe,

Hardware Requirements,


Computer System Requirements,

Basic Requirements: A PC with a Pentium 233 or better

At least an 800 X 600 graphics card and display monitor

98SE, W2K, XP, Vista®: 32 or 64 bit, Windows® 7: 32 or 64 bit, Windows® 8, Windows® 10

An available USB port,

Recommended: AMD or Intel 1.2 GHz or better,

Better than 800 X 600 graphics and display monitor,

Windows® XP or Vista® 32 or 64bit 1 GB RAM,

An available USB port (external hubs not supported)

For graph and label printing: Any Windows compatible, laser or ink jet, color or black and white, printer.

Avery 5160 labels are required for label printing.


Maximum continuous discharge rate: 500 watts

Discharge rate amplification typically 10X +- 1%

Absolute maximum operating voltage: 55 Volts

Maximum discharge rate: 160 amps (3.12 Volts at test start)(Battery dependent)

Minimum Voltage for a 160 amp discharge: .9 volts at completion of test (Battery dependent)

Supplied with copper bus 5/16 bronze bolt battery connections and plug in Powerpole® CBA connector.

On/off/bypass switch. On and over-temperature LED indicators, viewable from across a room.

Automatic fan operation senses 1 amp or more current from the CBA. Stays on approximately 5 minutes after test completion.

Dimensions (overall): 5.5" H x 6.25" W x 13.75" D.

Weight: 134 oz.


CBA A2 500W Amplifier

CBA amplifier

6 inch Powerpole® Cable

Power Supply Cable

Owner's Manual