16properly charged. able to fully recharge abattery. Make sure youuse a powerful charger.Power dissipation in DCcables.Use shorter/heavier DCcables.8. SpecificationsSpecifications are subject to change without notice.AC OutputContinuous AC output powerMax. continuous AC outputpower( 5 minutes)4000 W5000 WAC output surge power 10000 WAC output voltage range 105 V - 125 V ACOutput frequency (nominal) 60 ± 1 HzOutput waveform Modified sine waveUSB OutputDC output 5 V 500mADC InputRated DC input voltage 12.0 - 12.4 V DCLow battery alarm 11 ± 0.3 V DC, AudibleLow battery shutdown 10.5 ± 0.3 V DCLow battery shutdown resume 11. 6 ± 0.3 V DC