Product comparison · 2 uninterruptible power supplies (upss)

Vertiv Liebert PSP 500VA (300W) vs Vertiv Liebert PSP 650VA (390W)

47specifications compared
7differ
40identical
4known for one product only

Key differences

The Vertiv Liebert PSP 650VA (390W) has 0.15 kVA more output power capacity than the Vertiv Liebert PSP 500VA (300W) (0.65 kVA vs 0.5 kVA). The Vertiv Liebert PSP 650VA (390W) has 90 W more output power than the Vertiv Liebert PSP 500VA (300W) (390 W vs 300 W). The Vertiv Liebert PSP 500VA (300W) has 3 min more typical backup time at half load than the Vertiv Liebert PSP 650VA (390W) (11 min vs 8 min). Battery capacity: 7 VAh on the Vertiv Liebert PSP 500VA (300W), 7 Ah on the Vertiv Liebert PSP 650VA (390W). Battery type: VDC x Ah on the Vertiv Liebert PSP 500VA (300W), VRLA on the Vertiv Liebert PSP 650VA (390W).

Output power capacity
- Liebert PSP 500VA (300W):0.5 kVA
- Liebert PSP 650VA (390W):0.65 kVA
Output power
- Liebert PSP 500VA (300W):300 W
- Liebert PSP 650VA (390W):390 W
Battery capacity
- Liebert PSP 500VA (300W):7 VAh
- Liebert PSP 650VA (390W):7 Ah
Typical backup time at half load
- Liebert PSP 500VA (300W):11 min
- Liebert PSP 650VA (390W):8 min
Weight
- Liebert PSP 500VA (300W):4.8 kg
- Liebert PSP 650VA (390W):3.9 kg
Package height
- Liebert PSP 500VA (300W):251 mm
- Liebert PSP 650VA (390W):279 mm
Battery type
- Liebert PSP 500VA (300W):VDC x Ah
- Liebert PSP 650VA (390W):VRLA

Side by side

Differences highlightedShow differences only

Comparison of Liebert PSP 500VA (300W), Liebert PSP 650VA (390W)
51 specifications	A Vertiv Liebert PSP 500VA (300W)View product	B Vertiv Liebert PSP 650VA (390W)View product
Features2 differ
Output power capacityDiffers	0.5 kVA	0.65 kVA
Output powerDiffers	300 W	390 W
Output power factorKnown for one	Unknown — not stated by the source	0.6
Surge protectionKnown for one	Unknown — not stated by the source	Yes
Audible alarm(s)Known for one	Unknown — not stated by the source	Yes
Battery2 differ
Battery capacityDiffers	7 VAh	7 Ah
Typical backup time at half loadDiffers	11 min	8 min
Weight & dimensions1 differ
WeightDiffers	4.8 kg	3.9 kg
Packaging data1 differ
Package heightDiffers	251 mm	279 mm
Other features1 differ
Battery typeDiffers	VDC x Ah	VRLA
InterfaceKnown for one	IEC-320-C14	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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