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Cameron Sino Technology Limited  |  SKU: CS-JMX300SL  |  Barcode: 4894128165811

7.4V, Li-ion, 5200mAh, Speaker battery fits Jbl, Xtreme 3, 38.48Wh

🔥 LAST ONE AVAILABLE 🔥
Sale price $30.99 CAD Regular price $38.17

CS-JMX300SL Speaker Battery (5200mAh)

Power up your JBL Xtreme 3 speaker with the CS-JMX300SL replacement battery from Cameron Sino! Designed specifically for your speaker, this high-capacity lithium-ion battery offers 5200mAh of power and a voltage of 7.4V, ensuring you can enjoy your favorite tunes without interruption. With a rate of 38.48Wh, this battery guarantees reliable performance for all your audio needs.

Compatible Models
This battery is compatible with the following JBL model:

  • JBL Models: Xtreme 3

Part Numbers
The CS-JMX300SL battery replaces the following part number:

  • JBL Part Number: GSP-2S2P-XT3A

Why Choose Cameron Sino Batteries?

  • Quality You Can Trust: Canadian Batteries has been supplying Cameron Sino replacement batteries for nearly a decade, and our customers have experienced zero issues with product damage when using our batteries.
  • Reliable Performance: Our batteries are built with safety as a priority and are designed to meet or exceed the specifications of the original OEM battery.
  • Fresh Stock: We offer only the freshest batteries straight from the manufacturers, ensuring you receive a product that performs reliably.

Key Features:

  • Battery Type: Li-ion
  • Capacity: 5200mAh
  • Voltage: 7.4V
  • Rating: 38.48Wh
  • Dimensions: 138.50 x 40.00 x 19.00mm
  • Weight: Net weight of 186.0g (6.56oz), Gross weight of 326g (11.50oz)
  • Color: Blue
  • EAN Code: 4894128165811

Warranty and Returns

We stand behind our products with:

  • 1-Year Replacement Warranty: Protecting you against manufacturing defects. If your battery fails within this period, we will replace it free of charge once we receive the product back for testing.
  • 30-Day Return Policy: If you are not satisfied with your purchase, return it within 30 days for a full refund.

Before making your purchase, confirm that the model number and battery part number are listed for compatibility. If you have any questions or are unsure about fitment, please contact us for assistance. Upgrade your JBL Xtreme 3 with the CS-JMX300SL battery today and enjoy uninterrupted music!

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If your order includes multiple heavy products, we recommend requesting a custom quote — we may be able to arrange a better rate with a transport truck! 

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.

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