Question 1

What is the price of the DUAL DL-EB39 speaker?

Accepted Answer

The manual for the DUAL DL-EB39 does not contain price information, as manufacturers' technical manuals only mention product specifications and not commercial prices. This is because prices vary by retailer, region, and promotional periods, and change regularly.

This Bluetooth speaker is no longer manufactured by DUAL and is no longer available new from official distributors. The DL-EB39 model was discontinued several years ago.

If you are looking for this speaker, here is where to find it second-hand:

French second-hand market: LeBonCoin and Vinted where you can negotiate directly with sellers. Prices generally range from 15 to 35 euros depending on the condition.
International platforms: eBay may offer listings from different countries, sometimes at better prices but with higher shipping costs.
Second-hand stores: Cash-web and other second-hand retailers in France offer this type of product, although availability is random.

Before purchasing this second-hand speaker, check the condition of the battery (2000 mAh) which may have degraded after several years. The advertised battery life is 4 to 6 hours depending on the listening volume, and the charging time is 4 to 5 hours. If the battery no longer holds a charge, repairing it is not economical for this old model.

For a new Bluetooth speaker with similar features, consider recent DUAL models or other brands offering comparable characteristics (Bluetooth, long-lasting battery, 2 speakers 5W).

Question 2

How to replace or change the battery of the DUAL DL-EB39?

Accepted Answer

The integrated 2000 mAh lithium battery of the DUAL DL-EB39 is not designed to be replaced by the user. Its replacement must be carried out by the manufacturer DUAL, an authorized service center, or a person with equivalent electronic qualifications.

To have your battery replaced, contact DUAL customer service at 0811 482 202 (number available in France). You will need to provide the purchase invoice and a description of the problem encountered. The device comes with a 2-year manufacturer's warranty covering manufacturing defects.

Signs that your battery needs replacement: the speaker turns off quickly despite a full charge, does not charge properly anymore (normally fully charges in 4 to 5 hours via the microUSB port), or the music playback time drops below one hour (normally 4 to 6 hours depending on the volume). These symptoms indicate natural aging of the lithium battery.

To maintain the health of your battery: if you do not use the speaker for an extended period, recharge it every 2 to 3 months to prevent it from completely discharging and deteriorating. Also, avoid leaving the device exposed to extreme temperatures (outside the range of -5 to +40°C).

Important: the built-in battery is part of the components subject to natural wear and is therefore only covered by the warranty if it shows a documented manufacturing defect (not charging at all from the time of purchase, for example). Replacements due to normal wear remain your responsibility, but are generally inexpensive at an authorized repairer.

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