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header-product Battery Cameron Sino for Marshall Mid Major II/III wireless headphones model VDL603040 (replacement, SB8531)
26.49 €

Battery Cameron Sino for Marshall Mid Major II/III wireless headphones model VDL603040 (replacement, SB8531)

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Battery Cameron Sino for Marshall Mid Major II/III wireless headphones model VDL603040 (replacement, SB8531)

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Battery Cameron Sino for Marshall Mid Major II/III wireless headphones model VDL603040 (replacement, SB8531)

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Short description

Replacement battery by Cameron Sino compatible with Marshall Mid Major II and Mid Major III Bluetooth/on-ear headphones. Identified as type VDL603040 and manufacturer part SB8531 (EAN 4894128150114). Designed to replace the original internal rechargeable cell to restore playback time and allow continued wireless use; suitable for repairs and refurbishment of the specified Marshall models.
Available for order: 10 pcs.
Warranty: 2 Years
SKU: 12038643
Manufacturer: Cameron Sino
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
10.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
15.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
15.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
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Product information

Description

Replacement battery by Cameron Sino designed for Marshall Mid Major II and Mid Major III wireless on-ear headphones. This internal rechargeable cell restores the original device's playback time and enables continued use of Bluetooth functions after the original battery has degraded. The battery is intended for repair and refurbishment of the specified Marshall headphone models and matches the physical size and connector placement required for in-device replacement.

Advantages

The battery provides a direct replacement option that preserves the headphones' original form factor and fit. It restores operating time without requiring external charging accessories and is manufactured to meet typical safety and performance expectations for small lithium polymer cells used in audio headsets. Using a compatible replacement cell can extend the service life of the Marshall Mid Major II and Mid Major III headphones and avoids the need to replace the entire headset.

Suitable for

  • Repair or refurbishment of Marshall Mid Major II on-ear headphones
  • Repair or refurbishment of Marshall Mid Major III on-ear headphones
  • Replacing a worn or degraded internal rechargeable battery to restore playback time
  • Use by technicians and experienced DIY users comfortable with disassembling headphones

Key specifications

  • Cell type: lithium polymer rechargeable cell
  • Nominal form factor: pouch cell sized to fit the Mid Major II/III battery compartment
  • Connector: small internal headset battery connector compatible with the original cable arrangement
  • Intended use: internal power source for wireless on-ear headphones

How to use

Install the replacement battery by opening the headphone earcup that houses the original cell, disconnecting the original battery connector, and connecting the new cell in the same orientation. Ensure the replacement cell is seated and secured in the compartment so it does not interfere with moving parts or wiring. After reassembly, fully charge the battery before normal use and verify Bluetooth pairing and audio playback. Follow safe handling procedures to avoid puncturing or shorting the cell during installation.

Usage recommendations

Only attempt replacement if you have appropriate tools and experience with small electronics; consider professional repair services if unsure. Use recommended charging accessories and avoid exposing the battery to high heat, moisture, or mechanical stress. Dispose of the removed battery in accordance with local electronic waste regulations.

Description

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Customer reviews

Customer questions

FAQ

How much does the Battery Cameron Sino for Marshall Mid Major II/III cost, and is it available for purchase?

The price is 26.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Cameron Sino products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Cameron Sino service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.