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CB Range  |  SKU: CB129X1-EC850LCD

UPS Battery For CyberPower 850VA 510W EC850LCD UPS, 1 X 12v, 9ah - 108wh

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Sale price $36.99 CAD Regular price $40.92
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Please double-check that the batteries you're ordering match the ones in your unit before completing your purchase.

Please note: We only supply the batteries shown in the images. Product images of devices are shown for reference only.

Battery for CyberPower 850VA 510W EC850LCD UPS – 12V, 9Ah (1-Pack)

Reliable 12V 9Ah Sealed Lead Acid (AGM) replacement battery engineered for dependable backup performance in the CyberPower EC850LCD UPS. Compact, powerful, and built to help keep your equipment protected during outages.

9Ah Capacity 12V Output 108Wh AGM Sealed Lead Acid

Technical Specifications

BrandCB Range
Battery ModelCB129
Battery TypeSealed Lead Acid (AGM)
Voltage12V
Capacity9Ah
Energy108Wh
Terminal TypeT2
Number of Batteries1
Dimensions (Inches)5.95 × 2.56 × 3.94"
Dimensions (MM)151 × 65 × 100mm
Gross Weight2.5 Kg / 5.51 lbs
SKUCB129

Key Benefits

  • Reliable Backup Power: Delivers 12V 9Ah (108Wh) for dependable UPS performance during outages.
  • AGM Technology: Spill-proof, maintenance-free design for clean and worry-free operation.
  • Guaranteed Fit: Designed for CyberPower 850VA 510W EC850LCD UPS systems and compatible 12V 9Ah applications.
  • Durable Construction: Built for extended service life and steady output.
  • Fast Installation: T2 terminals provide a secure and straightforward connection.
  • Compact Size: Ideal for UPS enclosures where space is limited.

Compatible Models

CyberPower

EC850LCD 850VA 510W EC850LCD UPS

Suitable for the CyberPower EC850LCD UPS and other applications requiring a 12V 9Ah battery with T2 terminals.

Important Information

  • Assembly Required: You must re-use your existing connectors and cables.
  • Installation Advice: Proper handling and correct installation are recommended for best results.
  • Shipping: We are a Canadian company and ship directly from Canada.

Warranty & Returns

  • 1-Year Warranty
  • 30-Day Return Policy – Full refund if you're not completely satisfied.

Always confirm battery size, voltage, capacity, and terminal type before ordering to ensure correct fitment.

Dependable Power for UPS Protection

Choose this CB Range CB129 12V 9Ah AGM battery for reliable backup performance in your CyberPower EC850LCD UPS. Built for confidence, consistency, and easy replacement, it helps keep your essential equipment protected when power interruptions strike.

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🔋 What’s mAh All About?

mAh stands for milliamp hours—basically, how much "fuel" your battery can hold. A higher or lower mAh than your original battery? No worries! 🙌 It won’t affect charging or operation—just means your device might run a bit longer or shorter between charges. Still 100% compatible. Still 100% awesome. 💪✨

Before ordering please read

Ensure the original battery model number is mentioned in our product description and verify that your device model number is also listed in the description.

How to Look after your new lithium battery!!

See how to look after your battery if its lithium Lithium Care

Delivery and Shipping

See our shipping policy and details at this link Shipping Details

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Technical Specifications

CB129 – CyberPower EC850LCD Replacement Battery
Product Information
Category UPS Backup Battery
Brand CB Range
Battery Model CB129
Battery Type Sealed Lead Acid (AGM)
Voltage 12V
Capacity 9Ah
Energy 108Wh
Terminal Type T2
Number of Batteries 1
Dimensions 151mm x 65mm x 100mm (5.95" x 2.56" x 3.94")
Gross Weight 2.5 Kg (5.51 lbs)
SKU CB129
Compatibility
Fits Brand CyberPower
Confirmed Device Model EC850LCD
UPS Rating 850VA / 510W
Battery Configuration 1 x 12V 9Ah Sealed Lead Acid (AGM) Battery with T2 Terminals
Application
Typical Use Replacement battery for compatible CyberPower UPS backup systems
Built for dependable backup power in compatible UPS systems requiring a single 12V 9Ah AGM battery with T2 terminals.
Latest Update: 14 March 2026

Compatible UPS Cross Reference

Device Model UPS Rating Original Battery Specification Replacement
CyberPower EC850LCD 850VA / 510W 1 x 12V 9Ah SLA (AGM) with T2 terminals CB Range CB129
This replacement battery is suitable for confirmed compatible systems that use a single 12V 9Ah sealed lead acid AGM battery with T2 terminals.

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