APC's Back-UPS 350EI offers guaranteed power protection for computers and other electronics in your home or business.
It provides enough battery backup power so you can work through short power outages while safeguarding your equipment
from surges and spikes that travel along utility and data lines.
Together with a range of essential features, APC’s Back-UPS 350EI is the ideal solution to maintain your productivity
and protect against power instability and data loss.
Key Features of APC Back-UPS 350EI:
- LED Indicator and Audible Alarms – Provides instant visual and audible status updates for
quick understanding of power and unit conditions.
- 4 IEC Outlets –
- 3 battery backup and surge protection outlets ensure critical devices remain powered and data stays
protected during outages.
- 1 surge-only outlet safeguards secondary equipment from spikes without drawing on backup capacity.
- USB/Serial Connectivity with PowerChute Software – Enables system shutdown during outages,
auto restarts, customizable settings, and live monitoring of power and battery health.
- Telephone Data Line Surge Protection – Defends against surges traveling through analog phone
lines.
- Push Button Circuit Breaker – Simplifies recovery from overloads and shields connected
devices from electrical faults.
- Automatic Diagnostic Testing – Performs routine battery self-tests for early detection of
issues to ensure constant readiness.
Product Applications
Designed to support a range of devices including personal computers, CCTV systems, POS equipment, and projectors with
impulse power. Its flexibility makes it suitable for both home and business environments requiring stable and secure
backup power.
Reliable Surge Protection
Each outlet is engineered to defend connected devices against voltage fluctuations, surges, and spikes that can occur
through utility and data lines, maintaining smooth operation and preventing equipment damage.
Consistent Productivity
The Back-UPS 350EI ensures your essential work remains uninterrupted during short power outages, giving you enough
time to safely save data and continue critical operations without loss.
APC Warranties available for this Product
Protection for your system, peace of mind for you -
With the APC Extended Warranty program, you will have peace of mind knowing that in the unlikely event of a failure, your product will be repaired or replaced quickly, minimizing downtime.
Our warranty guarantees free next business day delivery of parts or unit to ensure you get what you need as soon as you need it.
Battery Options for this Product
APC Replacement Battery Cartridge - RBC2
This APC Replacement Battery Cartridge fits selected APC Smart-UPS and Back-UPS, restoring power back-up capacity for home offices, small businesses, and IT departments.
This replacement battery cartridge (RBC) has a lifetime of three to five years, offers safe and reliable support to the UPS, and extends the useful life of your UPS. The APC RBC comes fully assembled and includes easy-to-follow replacement instructions, making hot-swap installation simple.
Purchase Replacement Battery Cartridge
*This product is generally delivered next day but due to its weight and restrictions imposed on us by next day couriers, may take longer
Product applications:
- PC
- CCTV
- Point Of Sale Equipment
- Projector with impulse power

Product Features:
- LED Indicator and Audible Alarms
Quickly understand the unit and power status through visual and audible indicators.
- 4 IEC Outlets
• 3 x battery backup and surge protection - Keep critical electronic equipment running when the power goes out or fluctuates at dangerous levels, so you can protect your work and save your data.
• 1 x surge protection only - Protect your secondary electronics from harmful surges and spikes without reducing battery capacity used to run primary electronics during power outages
- USB/Serial Connectivity and PowerChute Software
Use your computer to access additional power protection and management features:
• Preserves your work, shuts down system during outages
• Restarts your system, minimising work disruptions
• Enables customisation of your Back-UPS settings
• Monitors and displays power and battery status
- Telephone Data Line Surge Protection
Guards against damaging surges and spikes traveling over an analogue phone line.
- Push Button Circuit Breaker
Provides for easy recovery from circuit overloads and protects your fuse box and electronics from electrical damage.
- Automatic Diagnostic Testing
Periodic battery self-test ensures early detection of a battery that needs to be replaced.
- 2 Year Warranty
APC offers a 2 year warranty with free technical phone and online support, providing customer peace of mind.
Replacement Battery Option
APC Replacement Battery Cartridge - RBC2
This APC Replacement Battery Cartridge fits selected APC Smart-UPS and Back-UPS, restoring power back-up capacity for home offices, small businesses and IT departments.
This replacement battery cartridge (RBC) has a lifetime of three to five years, offers safe and reliable support to the UPS, and extends the useful life of your UPS. The APC RBC comes fully assembled and includes easy-to-follow replacement instructions, making hot-swap installation simple.

APC Warranties available for this UPS

APC Service Pack Warranty Extension
(New Product Purchases)

APC Service Pack Warranty Extension
(Renewal or High Volume)
Protection for your system, peace of mind for you - With the APC Extended Warranty program, you will have peace of mind knowing that in the unlikely event of a failure, your product will be repaired or replaced quickly, minimising downtime.
APC's warranty guarantees free next business day delivery of parts or unit to ensure you get what you need as soon as you need it.
