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Item #: MB850
MSRP: No Retail

During power disruptions the MB850 Battery Backup provides constant power to equipment, such as:

Lamp Based Display
Prevent expensive lamp burnout in lamp based displays (cooling fan can continue to properly cool down lamp).

Avoid loss of DVR recorded TV programming.

Prevent loss of unsaved games during the saving/loading process.

HT System
Avoid the time and hassle rebooting your home theater system.

Residential Systems Resi Award 2009
Winner — Best Power Management Product
Panamax UPS Family


5 Battery Powered and Surge Protected Outlets
Provides continuous battery backup when power is interrupted.

4 Fulltime Surge Protected Outlets
Provides complete surge protection for equipment not requiring battery backup.

USB/Serial Port To PC
Allows home theater PC to communicate with UPS through USB or serial port.

1 Pair, In/Out Coax / Cable Sat Surge Protection

Wiring Fault Indicator Light
LED illuminates when wiring problems exist.

Ethernet Protection Ports
Phone / Modem / DSL / Ethernet protection (Combination Ethernet or phone line protection).

Resettable Circuit Breaker
Provides overload protection.

Auto-Shutdown Software
Panamax offers surge protection plus battery backup. The MB850 will safely shut down your home theater PC.

LCD Display Provides:
• Input Voltage Level
• Output Voltage Level
• AVR Status Meter
• Battery Capacity
• Estimated Runtime
• Load Level
• Output Power Frequencyinterrupted

Icon Indicators Includes:
• On Battery Mode
• Overload Condition
• Fault Condition

Automatic Voltage Regulation stabilizes input voltage to an appropriate level for optimal equipment performance by completely eliminating brownouts and overvoltages.


Weight 16 lbs.
Dimensions 4.375”W x 10.25”D x 8.875”H

Output Power

MB850 850VA / 510 Watts with AVR

Output Voltage on Utility

Voltage 90V - 140V
Frequency 57 - 63 Hz
AVS Smart Boost Boost 10% of input voltage for output

Surge Protection

Surge Energy Capacity 890 Joules
Maximum Surge Current 36,000 Amps
Design Specification NSI/IEE C62.41 CAT A


Runtime Up to 120 minutes
Recharge 8 hours from total discharge
Normal Life 3 to 6 years
Battery Type Sealed maintenance free lead acid

Output Voltage on Battery

Voltage 120V ±5V
Frequency 60Hz

Safety Approvals

UL UL 1778 (UPS)
FCC DoC Class B
cUL (Canada) cUL 107.1


Prop 65WARNING: This product contains chemicals including Styrene which is known to the state of California to cause cancer, and Bisphenol A (BPA), which is known to the state of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

In certain instances promotional prices will be offered listed above as a “Price with Rebate”, and are typically dated. In these cases Instant Rebate (IR) pricing is good sometimes only for the day only or only for the week. In order to be eligible for IR pricing – the order must be paid for AND picked up/shipped out. If you are placing an online order outside of business hours within your respective time zone, please add a note to your order for the team to confirm the pricing, or contact the branch the following business day to ensure that the item pricing carries over into the subsequent period. If an alternate branch location is still open in another time zone, please reach out to that group.

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