HP R5500 Battery specifications, Battery runtime for NA/JPN model, Battery runtime for Intl model

Output tolerance specifications

Source of power	Regulation
Utility power (nominal	-10% to +6% of nominal output voltage rating
range)	(within the guidelines of the Computer Business
	Equipment Manufacturers Association)
Battery power	±5% of nominal output voltage rating

Output feature specifications

Feature	Specification
Online efficiency	94% nominal input voltage
Voltage wave shape	Sine wave; 5% THD with typical PFC load
Surge suppression	High-energy 6500 A peak
Noise filtering	MOVs and line filter for normal and common mode
	use

Battery specifications

Feature	Specification
Type	Each model contains maintenance-free, sealed, valve
	regulated lead-acid batteries with an 8-year minimum float
	service life at 25°C (77°F).
Voltage	The battery modules have a battery string voltage of 240
	V.
Charging	Complete charge takes no more than 48 hours.
	Approximately 3 hours to 80 percent capacity at default
	nominal utility voltage and no load.

Battery runtime for NA/JPN model

Load, W (percent)	Estimated battery	Runtime with one ERM	Runtime with two ERMs
	runtime (minutes)	(minutes)	(minutes)
20	59	169	303
50	19	61	106
80	9	31	60
100	7	24	46

Battery runtime for INTL model

Load, W (percent)	Estimated battery	Runtime with one ERM	Runtime with two ERMs
	runtime (minutes)	(minutes)	(minutes)
20	49	138	247
50	15	49	85
80	7	25	48

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