Tectra 3500mAh Battery Replacement for Harman Kardon Onyx Studio 4, Onyx Studio 3, Onyx Studio 2, Onyx Studio 1 Wireless Bluetooth Speaker

Brand new replacement battery compatible with Harman/Kardon Onyx Studio, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4

Tectra

Item #: 59356997

Tectra 3500mAh Battery Replacement for Harman Kardon Onyx Studio 4, Onyx Studio 3, Onyx Studio 2, Onyx Studio 1 Wireless Bluetooth Speaker

Item #: 59356997

NZD 49

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^{*All items will import from US}

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Brand new replacement battery compatible with Harman/Kardon Onyx Studio, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4

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What Stands Out

High Capacity

The 3500mAh capacity ensures extended playtime, allowing users to enjoy their Harman Kardon speakers for longer periods without interruption, significantly enhancing audio experiences.

Compatible Design

Custom-fit for various Onyx Studio models, this battery replacement guarantees seamless integration without compromising performance, addressing user needs for easy and efficient installation.

Durable Quality

Crafted with high-quality materials, the Tectra battery offers reliability and longevity, providing consumers with great value and peace of mind, knowing their devices are powered safely.

Product Details

Brand new 3500mAh replacement battery for Harman Kardon Onyx Studio, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4, li11b001f Wireless Bluetooth Speaker
Premium Lithium-Polymer Battery with 3.7V voltage and 12.95Wh capacity
No memory effect, can be charged or discharged without loss of capacity
CE certified Tectra product with multiple circuit protection and fire-resistant construction
Package includes 1 x Replacement Battery and 1 x Install Tools
30 Days Money Back, Two-Years Warranty for customer protection

Country of Origin	This item will be imported from US
Item Weight	0.5 lbs (230 grams)
What is in the box	Tectra 3500mAh Battery Replacement... For more details, please check description/product details

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Frequent Travelers
Users who travel often will benefit from extended battery life, ensuring music playback on the go without interruptions.
Audio Enthusiasts
Those who appreciate high-quality sound and wish to maintain their speaker's performance will find this reliable replacement valuable.
DIY Repairers
Individuals who enjoy repairing their devices will appreciate the easy installation process of this battery replacement.

Casual Users
Users who rarely use their speakers may not find a battery replacement necessary, as original battery life suffices.

Product Description

Tectra 3500mAh Battery Replacement for Harman Kardon Onyx Studio 4, Onyx Studio 3, Onyx Studio 2, Onyx Studio 1 Wireless Bluetooth Speaker

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Product Buying Guide

Are you in need of a replacement battery for your Harman Kardon Onyx Studio series wireless Bluetooth speaker? The Tectra 3500mAh Rechargeable Battery is a brand new premium lithium-polymer battery designed to perfectly fit and power your Onyx Studio, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4, and li11b001f speakers. With no memory effect and multiple circuit protections, this battery ensures reliable and long-lasting performance. Continue Reading

Customer Questions & Answers

Question: What devices are compatible with the Tectra 3500mAh Battery Replacement?

Answer: The Tectra 3500mAh Battery Replacement is specifically designed for Harman Kardon Onyx Studio models 1, 2, 3, and 4. These speakers are known for their high-quality audio output and portability, making them perfect for on-the-go use. If you own any of these models, this battery replacement allows you to restore or enhance the performance of your speaker, ensuring uninterrupted listening during social gatherings or personal enjoyment.
Question: How do I install the Tectra 3500mAh Battery Replacement?

Answer: Installing the Tectra 3500mAh Battery Replacement involves opening the back cover of your Harman Kardon Onyx Studio speaker, carefully removing the old battery, and inserting the new one. It's crucial to follow the manufacturer's instructions or watch tutorial videos if you're unsure. Proper installation ensures that your battery operates efficiently, leading to longer playtimes for music, podcasts, or audiobooks without interruptions.
Question: How long does the Tectra 3500mAh Battery last on a single charge?

Answer: The Tectra 3500mAh Battery typically lasts for several hours of playback on a full charge. Factors affecting its longevity include the volume level and usage patterns. Optimizing settings, such as keeping the volume at moderate levels, can extend the battery life, making this replacement ideal for events, outdoor activities, or personal leisure without frequent recharging interruptions.
Question: Is it safe to use third-party batteries like Tectra?

Answer: Yes, using third-party batteries like the Tectra 3500mAh Battery Replacement is generally safe, provided they meet necessary safety and performance standards. Tectra batteries are designed to match or exceed the specifications of the original battery. This compatibility ensures you maintain similar performance levels, enhancing your user experience while avoiding potential risks associated with lower-quality alternatives.
Question: What should I do if my speaker does not turn on after replacing the battery?

Answer: If your Harman Kardon Onyx Studio speaker doesn't turn on after replacing the Tectra battery, first check if the battery is properly connected with correct polarity. Then ensure the battery is charged. If the issue persists, try resetting the speaker following the manufacturer’s guidelines. A successful reset can sometimes restore functionality without needing further troubleshooting.
Question: Can I charge the Tectra 3500mAh Battery with my existing charger?

Answer: Absolutely, the Tectra 3500mAh Battery is designed to be charged using the original charger of your Harman Kardon Onyx Studio speaker. Using your existing charger ensures compatibility and optimal charging performance. This convenience means less hassle since you can seamlessly continue using the devices you already own, making it a great choice for users looking for an efficient power solution.
Question: How does the Tectra battery compare to the original battery?

Answer: The Tectra 3500mAh Battery Replacement is designed to meet or exceed the performance of the original Harman Kardon battery. It offers similar output power and longevity, ensuring your speaker maintains its robust audio quality. By choosing Tectra, users can often enjoy improved reliability and performance, making it an excellent option for both new listeners and veteran audio enthusiasts.
Question: Can I use my speaker while it's charging with the Tectra battery?

Answer: Yes, you can use your Harman Kardon Onyx Studio speaker while it's charging with the Tectra 3500mAh Battery installed. This flexibility allows you to enjoy music or podcasts without interruption, whether at home, at work, or on the go. It's particularly beneficial during extended sessions of use, like parties or work presentations, where continuous audio is desired.
Question: Why choose a 3500mAh battery over other capacities?

Answer: The 3500mAh capacity of the Tectra battery strikes a balance between performance and longevity. It offers an extended playtime compared to lower-capacity alternatives, which is crucial for users who want uninterrupted enjoyment. Choosing this capacity ensures that your Harman Kardon Onyx Studio speaker keeps the music playing longer, whether during a long road trip or a weekend gathering.
Question: Where can I buy Tectra 3500mAh Battery Replacement for Harman Kardon Onyx Studio models?

Answer: You can purchase the Tectra 3500mAh Battery Replacement for Harman Kardon Onyx Studio models from Ubuy in New Zealand. Ubuy provides a convenient online shopping platform ensuring secure transactions and efficient service. They often stock a variety of replacement batteries and accessories tailored for your speaker's needs, making it easy for you to find the right product to enhance your audio experience.

Nutritionist's Take

As a nutritionist with extensive experience, I must clarify that the Tectra 3500mAh Battery Replacement is not a nutritional product and does not have any food-related components, ingredients, or health claims. It is an electronic accessory designed to replace the battery of specific Harman Kardon wireless Bluetooth speakers. Therefore, it does not offer any nutritional benefits or drawbacks and is not relevant to dietary needs or health. Consumers should focus on aspects such as battery longevity and performance when considering this product, rather than any implications on health or nutrition. Overall, this product is a practical choice for users seeking to enhance their audio experience with extended battery life.

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“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”

22 July 2026 · via Trustpilot

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“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”

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Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

NZD 49

Order now and get it around Wednesday, August 12

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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Features & Benefits

Premium Lithium-Polymer Battery
Capacity:3500mAh, 5.9Wh
No memory effect
CE certified and tested by manufacturer
Multiple circuit protection

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

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Tectra 3500mAh Battery Replacement for Harman Kardon Onyx Studio 4, Onyx Studio 3, Onyx Studio 2, Onyx Studio 1 Wireless Bluetooth Speaker