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CB Range  |  SKU: CB64.5X1-12253

Battery For Opti-UPS Cs385b UPS, 1 X 6v, 5ah - 30wh

🚀 In stock and ready for shipment from our warehouse. Pickup NOT available for this product
Sale price $16.99 CAD Regular price $18.30
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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.

UPS Battery for Opti-UPS CS385B – 6V 5Ah AGM Replacement Battery (1 Pack)

Keep your Opti-UPS CS385B running reliably with this high-quality 6V 5Ah sealed lead acid (AGM) replacement battery. Designed for dependable standby performance, this battery delivers stable power output, maintenance-free operation, and a precise fit for compatible UPS systems.

6V Output 5Ah Capacity AGM Sealed Lead Acid F1 Terminal

Technical Specifications

BrandCB Range
Battery ModelCB650
Battery TypeSealed Lead Acid (AGM)
Voltage6V
Capacity5Ah
Pack Quantity1 Battery
Terminal TypeF1
Dimensions2.76" x 1.85" x 3.94"
Dimensions (mm)70 x 47 x 100mm
Terminal Height4.25" / 108mm
Gross Weight0.76 kg / 1.68 lbs
SKUCB650

Key Benefits

  • Reliable Backup Power: Provides dependable 6V 5Ah performance for compatible UPS systems.
  • Maintenance-Free AGM Design: Spill-proof sealed construction with no routine servicing required.
  • Compatible Fit: Suitable replacement battery for the Opti-UPS CS385B.
  • Durable Construction: Built to support long service life and stable energy delivery.
  • F1 Terminal Connection: Designed for secure installation using the correct terminal type.
  • Compact Size: Sized to fit applications requiring a 70 x 47 x 100mm battery footprint.
  • Backed for Peace of Mind: Includes a 1-year warranty and 30-day return policy.

Compatible Model

Opti-UPS CS385B

Please check battery dimensions, voltage, capacity, and terminal type before ordering to ensure correct fitment.

What’s Included

  • 1 x CB Range CB650 6V 5Ah AGM battery
  • F1 terminal configuration
  • Ready to install using your existing connectors and cables

Warranty & Returns

  • Warranty: 1-year replacement warranty
  • Returns: 30-day return period for refund

Important Installation Notes

  • Re-use your existing connectors and cables.
  • Some assembly may be required during installation.
  • Always confirm polarity and terminal orientation before connecting.
  • Handle and install the battery carefully for best performance and safety.

Why Choose This Battery?

  • Stable and reliable UPS backup performance
  • Sealed AGM technology for clean, hassle-free use
  • Compact dimensions for compatible enclosed battery spaces
  • Trusted replacement option for aging or weak original batteries

Important Notice

This listing is for the battery only. Any connectors, wiring, or external equipment shown or referenced are not included unless specifically stated. Always verify the voltage, capacity, dimensions, and F1 terminal type required by your device before purchase.

Reliable Power for Uninterrupted Performance

Restore dependable backup power to your Opti-UPS CS385B with the CB Range CB650 6V 5Ah AGM battery—a practical replacement choice for consistent performance, secure fitment, and maintenance-free operation.

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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

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Technical Specifications

CB Range CB64.5X1-12253 – Replacement Battery for Opti-UPS CS385B
Product Details
Product Model Battery for Opti-UPS CS385B, 1 x 6V 5Ah - 30Wh
Brand CB Range
SKU CB64.5X1-12253
Individual Battery Model CB64.5
Battery Type AGM Sealed Lead Acid
Voltage 6V
Capacity 5Ah
Energy 30Wh
Number of Batteries in Kit 1
Terminal Type F1
Gross Weight 0.76 kg / 1.68 lbs
Battery Dimensions
Length 2.76 inches / 70 mm
Width 1.85 inches / 47 mm
Case Height 3.94 inches / 100 mm
Height to Top of Terminal 4.25 inches / 108 mm
Designed as a replacement battery for the Opti-UPS CS385B requiring one 6V 5Ah AGM battery with F1 terminals.
Latest Update: 25 March 2026

Confirmed Cross Reference

Device Model Battery Configuration Replacement Battery
Opti-UPS CS385B 1 x 6V 5Ah CB Range CB64.5
The model shown above is the confirmed match from the data provided for this replacement battery kit.
Confirmed model coverage

The following model is confirmed for this battery configuration:

Opti-UPS CS385B
Battery configuration

This replacement uses 1 x 6V 5Ah AGM sealed lead acid battery.

Terminal type: F1.

Battery dimensions

Battery size: 70 x 47 x 100 mm.

Height to top of terminal: 108 mm.

Replacement details

Replacement battery model: CB Range CB64.5.

Kit SKU: CB64.5X1-12253.

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