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Product Code: PBEL-440
MPN #: BK350EI
Imagine your computer turning off in the middle of an important video call because the power flickered. That sudden loss can cost you time, data and peace of mind. The APC Back-UPS 350VA Tower UPS gives you a small but reliable battery that keeps your devices running when the grid drops. It is built for home offices, small workstations and any equipment that cannot afford an unexpected shutdown.
Power spikes, short outages and noisy electricity are common in many apartments and small offices. Those problems can corrupt files, damage hardware and interrupt work. This UPS solves the issue by providing instant battery backup and built-in surge protection. When the mains fail, the unit switches to battery within milliseconds, giving you enough time to save work and shut down safely. The standby design also keeps energy use low while still protecting every plugged-in device.
Use this UPS in a home office to keep a desktop PC, monitor and internet router alive during brief outages. It works well in a small studio where a laptop, external hard drive and audio interface need clean power. It also fits a modest server rack, protecting a NAS and a switch. The four IEC C13 outlets let you connect printers, scanners or any equipment that uses a standard computer plug.
| Features | |
| Audible alarm modes | Low battery alarm, Overload alarm |
| Audible alarm(s) | Yes |
| Power protection features | Overload |
| Surge protection features | Digital Subscriber Line (DSL), Fax, Modem, Telephone |
| Surge protection | Yes |
| Efficiency | 98.6% |
| Hold time (max) | 10 ms |
| Hold time (min) | 6 ms |
| Surge energy rating | 310 J |
| Maximum current | 7 A |
| Output frequency regulation | 47 - 63 Hz |
| Input frequency | 50/60 Hz |
| Input operation voltage (max) | 266 V |
| Input operation voltage (min) | 180 V |
| Output power | 210 W |
| Output power capacity | 0.35 kVA |
| UPS topology | Standby (Offline) |
| Ports & interfaces | |
| USB port | Yes |
| Number of output IEC jumpers | 2 |
| AC outlets quantity | 4 AC outlet(s) |
| Power plug | C14 coupler |
| AC outlet types | C13 coupler |
| Battery | |
| Battery capacity | 7 Ah, 116 VAh |
| Automatic battery test | Yes |
| Battery recharge time | 6 h |
| Battery life (max) | 6 year(s) |
| Typical backup time at half load | 22.1 min |
| Typical backup time at full load | 8.6 min |
| Battery voltage | 12 V |
| Battery capacity | 7 Ah, 116 VAh |
| Battery capacity | 7 Ah, 116 VAh |
| Battery technology | Sealed Lead Acid (VRLA) |
| Design | |
| LED indicators | Battery replacement |
| Cable length | 1.83 m |
| Product colour | Beige |
| Form factor | Tower |
| Operational conditions | |
| Non-operating altitude | 0 - 15000 m |
| Operating altitude | 0 - 3000 m |
| Storage relative humidity (H-H) | 0 - 95% |
| Operating relative humidity (H-H) | 0 - 95% |
| Storage temperature (T-T) | -15 - 45 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Certificates | |
| Certification | C-tick, CE, EN 50091-1, EN 50091-2,GOST, VDE, PEP, EOLI |
| Compliance certificates | RoHS |
| Packaging content | |
| Quick installation guide | Yes |
| Cables included | Phone (RJ-11), USB cable |
| Sustainability | |
| Sustainability certificates | ENERGY STAR, Green Premium |
| Weight & dimensions | |
| Weight | 6.32 kg |
| Height | 165 mm |
| Depth | 284 mm |
| Width | 91 mm |
| Packaging data | |
| Package weight | 7.05 kg |
| Package height | 178 mm |
| Package depth | 368 mm |
| Package width | 241 mm |
| Bundled software | PowerChute Personal Edition |
| Software CD | Yes |
| Warranty card | Yes |
| Other features | |
| Filtering | Yes |
| Nominal input voltage | 230 V |
| Nominal output voltage | 230 V |
| Operating temperature (T-T) | 0 - 40 °C |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)