| TSO Certification: | TSO-C179(b) | TSO-C179(b) | TSO-179(b) |
| Input Voltage: | 13.5 – 15 volts DC for battery charging | 13.5 – 15 volts DC for battery charging | 26 – 32 volts DC for battery charging |
| Transition Voltage*: | 10.5 – 11.5 volts | 10.5 – 11.5 volts | 21 – 23 volts |
| Input Current: | 2.5 amps max continuous on main input for charging, 0.8 amps max for battery heater at low temps | 4.0 amps continuous on main input for charging; 1.5 amps max for battery heater at low temps | 3.0 amps max continuous on main input for charging |
| Pass-thru Current: | 5 amps continuous, 10 amps peak (30 seconds) | 8 amps continuous, 12 amps peak (30 seconds) | 5 amps continuous, 10 amps peak (30 seconds) |
| Output Voltage: | 10 – 14 volts DC during back-up operation | 10 -14 volts DC during back-up operation | 22 – 29 volts DC during back-up operation |
| Output Current: | 5 amps continuous, 10 amps peak for radio transmissions and transient load (30 second duration max) | 8 amps continuous, 12 amps peak for radio transmissions and transient load (30 second duration max) | 5 amps continuous, 10 amps peak for radio transmissions and transient loads (30 second duration max) |
| Battery: | Internal sealed Li-Fe-PO4, nominal 12.8 volts | Internal sealed Li-Fe-PO4, nominal 12.8 volts | Internal sealed Li-Fe-PO4, nominal 25.6 volts |
| Charger: | Integral high-performance fast charger with cell balancing and thermal monitoring | Integral high-performance fast charger with cell balancing and thermal monitoring | Integral high-performance fast charger with cell balancing and thermal monitoring |
| Surge Protection: | 34 volt active clamp, 1500w 10/1000uS waveform | 34 volt active clamp, 1500w 10/1000uS waveform | 51 volt active clamp, 1500 w 10/1000uS waveform |
| Wiring: | 15 pin male D-dub on product | 15 pin male D-sub on product | 15 pin male D-sub on product |
| Enclosure: | Aluminum 7.7” x 2.3” x 1.6” | Aluminum 7.7” x 2.3” x 2.65” | Aluminum 7.7” x 2.3” x 2.65” |
| Weight: | 18 oz. | 34 oz. | 34 oz. |
| Temperature Range: | Operating: -40° C to 60° C Charging -40° C to 40° C | Operating: -40° C to 60° C Charging -40° C to 40° C | Operating: -40° C to 60° C Charging -40° C to 40° C |
| Connector: | Standard density 15 pin D-sub, male on product | Standard density 15 pin D-sub, male on product | Standard density 15 pin male D-sub on product |