CyberPower · Uninterruptible Power Supplies (UPSs)

CyberPower ST425 uninterruptible power supply (UPS) Standby (Offline) 0.425 kVA price in United States

Model ST425MPN ST425EAN 649532621507

Battery2.9 Ah
TypeCompact
Weight1.72 kg
ColourBlack

Lowest price

$62.24

at PCLiquidationsIn stock

1 store
1 in stock
Checked 23 Oct 2026, 17:42 UTC

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Full specifications and side-by-side comparison

Prices in United States

1 store · prices in USD · updated 23 Oct 2026, 17:42 UTC

Lowest price$62.24at PCLiquidations · shipping not statedGo to PCLiquidations

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
0 with free shipping
Checked 23 Oct 2026, 17:42 UTC

PCLiquidationsLowest priceCyberpower CyberPower ST425 8 Outlet 425VA 260W Standby UPS Systems In stockShipping not stated
$62.24item price, shipping extra
Go to store : PCLiquidations (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 23 Oct 2026, 17:42 UTC, and can change at any time. Taxes are included only where the store includes them.

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Best price · PCLiquidations$62.24

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Product details

Identification

Brand: CyberPower
Product: ST425 uninterruptible power supply (UPS) Standby (Offline) 0.425 kVA
Full name: CyberPower ST425 uninterruptible power supply (UPS) Standby (Offline) 0.425 kVA 260 W 8 AC outlet(s)
Manufacturer part number: ST425
EAN / UPC: 649532621507
Category: Uninterruptible Power Supplies (UPSs)

Energy · ENERGY STAR certified

List: Uninterruptible power supplies
Certified: 2018-04-11
Average efficiency: 97.8 %

45 specifications from the manufacturer's data sheet

Features

UPS topology	Standby (Offline)
Output power capacity	0.425 kVA
Output power	260 W
Waveform	Pseudo sine
Input operation voltage (min)	96 V
Input operation voltage (max)	140 V
Input frequency	47/63 Hz
Output operation voltage (min)	120 V
Output operation voltage (max)	120 V
Output frequency	50/60 Hz
Surge energy rating	890 J
Transfer time (Line Mode to Battery Mode)	8 ms
EMI/RFI noise filtering	Yes
Surge protection	Yes
Power protection features	Overload
Audible alarm(s)	Yes
Audible alarm modes	Alarm when on battery, Fault, Low battery alarm, Overload alarm
Socket circuit breaker	Yes

Ports & interfaces

AC outlet types	NEMA 5-15R
Power plug	NEMA 5-15P
AC outlets quantity	8 AC outlet(s)

Battery

Battery technology	Sealed Lead Acid (VRLA)
Battery capacity	2.9 Ah
Battery voltage	12 V
Number of batteries supported	1
Typical backup time at full load	1.5 min
Typical backup time at half load	6 min
Battery recharge time	8 h

Design

Form factor	Compact
Product colour	Black
Cable length	1.5 m
LED indicators	Power

Operational conditions

Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-15 - 45 °C
Operating relative humidity (H-H)	0 - 95%
Operating altitude	0 - 3000 m
Non-operating altitude	0 - 15000 m

Packaging content

Manual	Yes

Certificates

Compliance certificates	RoHS

Sustainability

Sustainability certificates	ENERGY STAR

Safety regulation & standards

Safety	UL1778, cUL, FCC DOC B, CEC

Weight & dimensions

Width	210 mm
Depth	81 mm
Height	114 mm
Weight	1.72 kg

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