Specifications

		SPECIFICATIONS


Model	15 and 15D* (458 Series)		20 and 20D* (458 Series)

Part Number	81-1510-12 and 81-1520-12		81-2010-12 and 81-2020-12

Nominal Battery Voltage	12 VDC		12 VDC

Battery Voltage Range	10.0 - 15.5 VDC (+/-0.2)		10.0 - 15.5 VDC (+/-0.2)

Low Battery Cutout	10.0 VDC (+/-0.5)		10.0 VDC (+/-0.5)

AC Input Voltage Range	Minimum 90 VAC		Minimum 90 VAC
	Normal 130 VAC		Normal 130 VAC

Frequency Regulation	50 or 60 Hz Quartz Regulated		50 or 60 Hz Quartz Regulated

Inverter Output Power	1500 VA		2000 VA
(Continuous)

Inverter Voltage Regulation	120V +/- 5% True RMS		120V +/- 5% True RMS

Wave Shape	Modified Sine Wave		Modified Sine Wave

Surge Power	55 Amps		70 Amps

No Load Current Drain	.12 Amp		.12 Amp
(Idle Mode)

Power Factors Allowed	All		All

Full Load Efficiency	86% (60 Hz)		85% (60 Hz)

Peak Efficiency	92%		93%

Protection	Over/Under Utility Voltage, Over/Under		Over/Under Utility Voltage, Over/Under
	Battery Voltage, Short-Circuit, Circuit		Battery Voltage, Short-Circuit, Circuit
	Breaker, Over Temperature, Backfeed		Breaker, Over Temperature, Backfeed

Charging Rate	75 Amps (3-stage)		100 Amps (3-stage)

AC Input	17 Amps		21 Amps
(Max. Charge Mode)

Bulk Charge Voltage	14.3 VDC**		14.3 VDC**

Float Charge Voltage	13.4 VDC**		13.4 VDC**

Equalizing Charge Voltage	16.3 VDC**		16.3 VDC**

Status Panel	Optional Remote or Link Instruments		Optional Remote or Link Instruments

Weight	56 lbs.		56 lbs.

Dimensions	13.2"L x 11.5"W x 7.9"H		13.2"L x 11.5"W x 7.9"H

* Dual AC Output
** Variable on unit with Temperature Sensor installed and adjustable by		Battery Type selected on the inverter/charger
control panel or from the Remote Control Panel.
The Freedom 15, 15D, 20 and 20D are UL and cUL Listed.

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Part No. 90-0123-00 Libertycombi.p65 10/26/98