Product comparison · 2 uninterruptible power supplies (upss)

CyberPower ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA vs CyberPower ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA

Key differences

Output power capacity
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:0.625 kVA
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:0.9 kVA
Output power
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:360 W
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:500 W
AC outlets quantity
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:8 AC outlet(s)
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:12 AC outlet(s)
Battery capacity
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:5.5 Ah
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:7.2 Ah
Typical backup time at half load
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:9 min
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:7.5 min
Width
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:248 mm
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:309 mm
Depth
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:81 mm
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:177 mm
Height
- ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA:147 mm
- ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA:78 mm

Differences highlightedShow differences only

Comparison of ST625U, ST900U
49 specifications	A CyberPower ST625U uninterruptible power supply (UPS) Standby (Offline) 0.625 kVA Model ST625U View product	B CyberPower ST900U uninterruptible power supply (UPS) Standby (Offline) 0.9 kVA Model ST900U View product
Features2 differ
Output power capacityDiffers	0.625 kVA	0.9 kVA
Output powerDiffers	360 W	500 W
Surge energy ratingKnown for one	890 J	Unknown — not stated by the source
EMI/RFI noise filteringKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
AC outlets quantityDiffers	8 AC outlet(s)	12 AC outlet(s)
Battery2 differ
Battery capacityDiffers	5.5 Ah	7.2 Ah
Typical backup time at half loadDiffers	9 min	7.5 min
Weight & dimensions4 differ
WidthDiffers	248 mm	309 mm
DepthDiffers	81 mm	177 mm
HeightDiffers	147 mm	78 mm
WeightDiffers	2.27 kg	3.49 kg

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.