APC Back-UPS CS 350 Uninterruptible Power Supply: 350 VA capacity; 210-watt power rating

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€231.98
Last price update: 11/13/26
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Product details

Features

  • Typical battery backup time: 18.1 minutes at 105 watts (half load) and 4.7 minutes at 210 watts (full load)
  • Battery recharge time: 6 hours
  • Outlet configuration: 1 IEC 320 C13 outlet for surge protection, 3 IEC 320 C13 outlets for battery backup, and 2 IEC jumpers for battery backup
  • Input voltage: 230 V, described as the input voltage range; output voltage: 230 V
  • Input frequency: 50/60 Hz +/- 3 Hz, auto sensing
  • RS-232 and USB interface ports
  • 350 VA capacity; 210-watt power rating

APC Back-UPS CS 350 (BK350EI) uninterruptible power supply with a 350 VA capacity and 210-watt power rating. Typical battery backup time is 18.1 minutes at 105 watts (half load) or 4.7 minutes at 210 watts (full load).

General specs

  • Brand: APC
  • Model: Back-UPS CS 350
  • Seller: Newegg
  • ID: 9SIAXCWKKU6267
  • Brand: APC
  • Model Name: Back-UPS CS 350
  • Part Number: BK350EI
  • Power Rating: 210 Watts
  • Product Type: Uninterruptible power supply (UPS)
  • UPS capacity: 350VA
  • Input Voltage: 230V (described as the input voltage range)
  • Output Voltage: 230V
  • Product family: Back-UPS CS
  • Input Frequency: 50/60 Hz +/- 3 Hz (auto sensing)
  • Interface ports: RS-232 and USB
  • Outlet configuration: 1 IEC 320 C13 outlet for surge protection; 3 IEC 320 C13 outlets for battery backup; 2 IEC jumpers for battery backup.
  • Battery recharge time: 6 hour(s)
  • Typical battery backup time at full load: 4.7 minutes at 210 Watts
  • Typical battery backup time at half load: 18.1 minutes at 105 Watts
  • First listed by seller: October 6, 2026

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Model Back-UPS CS 350 Smart-UPS SMC1500C
Price €231.98 €3,673.97 €1,187.94 €611.04 €906.32 €854.07
Seller Newegg Newegg Newegg Newegg Newegg Newegg
Update Nov 13, 2026 Nov 13, 2026 Nov 13, 2026 Nov 13, 2026 Nov 13, 2026 Nov 13, 2026
Part Number BK350EI SRT3000XLW-IEC SUA1000RMI1U SMC1500C SMT1500RM2UC SMT1500IC
Product Type Uninterruptible power supply (UPS) UPS Uninterruptible power supply (UPS) Uninterruptible power supply (UPS) UPS, Uninterruptible power supply (UPS) Uninterruptible power supply
Output Voltage 230V 230V AC 230V
Product family Back-UPS CS Smart-UPS On-Line Smart-UPS C Smart-UPS Smart-UPS
Input Frequency 50/60 Hz +/- 3 Hz (auto sensing) 40 - 70 Hz (auto sensing) 50/60 Hz +/- 3 Hz (auto sensing) 50/60 Hz +/- 3 Hz Auto-sensing 50/60 Hz +/- 3 Hz 50/60 Hz ± 3 Hz, auto-sensing
Battery recharge time 6 hour(s) 3 Hour(s) 2 hour(s) 3 hour(s) 3 hours 3 hours
Output frequency 50/60 Hz +/- 3 Hz 50/60 Hz +/- 3 Hz, sync to mains 50/60 Hz +/- 3 Hz 50/60 Hz ± 3 Hz
Rated apparent power 3000 VA 1000 VA 1500 VA (1.5 kVA)
Battery runtime at full load 4.0 Minutes 5.4 minutes (640 Watts) 7.8 minutes 7.2 minutes 6.5 minutes
Battery runtime at half load 11.8 Minutes 14.5 minutes (320 Watts) 20.4 minutes 25.8 minutes 23.1 minutes
Input Voltage Range 160 - 286V 85 - 136 Adjustable, 93 - 130V 82 - 144V
Back-UPS CS 350 Uninterruptible Power Supply — UPS Battery Backup, APC

APC Back-UPS CS 350 350 VA capacity; 210-watt power rating

€231.98
We may earn a commission

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