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MB850 850VA Shelf Mount UPS Battery Backup by Panamax

SKU: MB850
MB850 850VA Shelf Mount UPS Battery Backup by Panamax

MB850 850VA Shelf Mount UPS Battery Backup by Panamax

  • $419.95
  • Brand
  • SKU
  • Weight
    18.00 lbs
  • Warranty
    3 Years
  • Condition
  • Status
Product Questions? Ask Our Experts!
In stock (50 items available)
During power disruptions the MB850 Battery Backup provides constant power to equipment
  • Brand
  • SKU
  • Weight
    18.00 lbs
  • Warranty
    3 Years
  • Condition
  • Status
Questions? Ask our experts!

  • $419.95

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). 
  • DVR Avoid loss of DVR recorded TV programming.
  • Gaming Prevent loss of unsaved games during the saving/loading process.
  • HT System Avoid the time and hassle rebooting your home theater system.


  • 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
  • AVR 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
Free Ground Shipping
We offer free ground shipping on every purchase of $300 and more for US and US territory. Please choose "Free Ground Shipping (UPS/USPS)" option at checkout.

UPS Ground
UPS provides up-to-date tracking information. Ground service takes anywhere from 2-7 working days for delivery depending on destinations.UPS Ground does not deliver on Saturdays, Sundays or Holidays.

USPS Priority Mail/USPS Express Mail For all shipments shipped via USPS, we offer 'DELIVERY CONFIRMATION' number with each package. Difference between tracking number provided by UPS vs USPS Delivery Confirmation number is: Delivery Confirmation status is updated when the delivery has been made or when the package has made it through major USPS stations.

Air Shipment
Air shipments, Overnight, 2nd day and 3 day select methods offer guaranteed delivery time for your shipment. If you are in hurry or in need for the items on schedule, select one of these methods. Up-to-date tracking information is provided with each Air Shipment. AVProSupply has the right to choose between Air shipments to meet or reduce delivery time. For guaranteed delivery of multiple items with expedited shipping, please contact our customer service representative for personalized assistance to get your items delivered to you when you need them.

International Customers
We offer shipping via USPS/UPS for our international customers. You can find different shipping options during checkout.

Most items ordered from AVProSupply will be shipped out from our California Warehouse. Will-Calls are only allowed with Appointment Only - Please call Customer Service to set one up between the hours of 9am to 6pm PST.


Major Credit Cards: Visa, MasterCard, Discover and American Express.
Paypal: You can select an option of Paying with Paypal in our shopping cart.
Money orders: and personal checks or company checks (may take up to 10 days to clear).
Wire Transfer: ( Bank Transfer ) Only for the amount over $500. Contact us for the bank details.
Phone Orders: To place a phone order please call 1.888.902.3309 or 1.916.246.6264 and one of our Customer Service Representatives will take your order (8:00am - 6.00pm PST).

Purchase order: Fax purchase orders to 1.916.672.2557

We Offer A 30-Day Money Back Guarantee: 
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.

If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

TVs and monitors 20" and larger
Special Order merchandise
Any item indicated on the website as non-returnable

For more information see our official Return Policy

  • Shipping Info
    We offer free ground shipping on every purchase of $300 and more for US and US territory. We deliver worldwide.
  • Payment Methods

  • Return Policy
    We Offer a 30-Day Money Back Guarantee