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Cameron Sino Technology Limited  |  SKU: CS-BFT840SL  |  Barcode: 4894128191162

3.8v, Li-polymer, 120mah, Battery Fits Bose, 840667-0100, Frames Alto, 0.46wh

⭐For further information about stock levels see the notes below⭐
Regular price $34.09 CAD

CS-BFT840SL Battery for Bose Frames Alto Smart Sunglasses – Reliable Replacement Power

Upgrade your Bose Frames Alto with the Cameron Sino CS-BFT840SL replacement battery. Designed for optimal performance, this high-quality battery powers your Bose Frames Alto and Frames Alto Audio Smart Sunglasses—perfect for immersive audio and hands-free communication. The 120mAh lithium-polymer battery ensures consistent, long-lasting power for your wearable tech.

Compatible Bose Models

  • Bose Frames Alto
  • Frames Alto Audio Smart Sunglasses
  • 840667-0100

Replaces Part Number

  • AHB420838HPST-01

Why Choose the Cameron Sino CS-BFT840SL?

  • Premium Quality & Long-Lasting Power: Built with high-grade lithium-polymer cells, this 3.8V 120mAh battery delivers energy-efficient performance and extended battery life.
  • Perfect Fit & Compatibility: Precisely engineered to replace AHB420838HPST-01 with seamless installation into your Bose Frames Alto.
  • Compact & Lightweight: Measuring 39.00 x 8.40 x 5.30mm and weighing just 3.0g (0.11oz), this battery maintains the sleek design and comfort of your smart sunglasses.
  • Certified Safety & Performance: Manufactured under ISO 9001 quality standards, ensuring safe, reliable use over time.

Product Specifications

  • Battery Type: Li-Polymer
  • Capacity: 120mAh
  • Voltage: 3.8V
  • Energy Rating: 0.46Wh
  • Color: Black
  • Dimensions: 39.00 x 8.40 x 5.30mm
  • Net Weight: 3.0g / 0.11oz
  • Gross Weight: 28g / 0.99oz

Warranty & Return Policy

  • 1-Year Replacement Warranty – Backed for long-term dependability.
  • 30-Day Return Policy – Not satisfied? Return it within 30 days for a full refund.

Note: Please confirm your device model and original battery part number before ordering to ensure compatibility. For any questions, our customer support team is ready to assist.

Upgrade your Bose Frames Alto Smart Sunglasses with the trusted CS-BFT840SL battery and enjoy uninterrupted audio and seamless connectivity wherever you go!

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Please note: We reserve the right to send heavier items by transport truck if the carrier's maximum weight per package is exceeded or if we consider it too risky to place with a courier due to the possibility of damage occurring.

🔋 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

📸 Send Us Your Battery Image

Not sure which replacement battery you need? Just snap a Photo / Video of your current battery and send it our way! Our team will quickly identify the exact match and recommend the perfect replacement model — no guesswork, no hassle.

🔍 Fast, Expert Assistance

We’ve helped thousands of customers find the right battery — let us do the same for you. Whether it’s for an alarm system, emergency light, or industrial equipment, we’ve got you covered.

📤 Click below to post your image and get started:

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