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802030 082030 3.7V 400mAh Rechargeable LiPo Lithium Polymer Battery Cell for Wristband Keyboard LED Bluetooth Headset

Name: 802030 082030 3.7V 400mAh Rechargeable LiPo Lithium Polymer Battery Cell for Wristband Keyboard LED Bluetooth Headset
Brand: koonenda
SKU: 1005012795621478
Price: 4.95 USD
Availability: InStock

🏷️ koonenda🏬 Sold by Shop1105310340 Store

ab4.58 €

Options (6):

ℹ️ Final price per option is set on AliExpress.

🚚 Shipping to Israel: Free · 81–81 Tage (live von AliExpress)

This high-quality rechargeable battery provides reliable power for your favorite small electronics. It is the perfect replacement for Bluetooth headsets, keyboards, and wearable gadgets, making it an essential choice for DIY enthusiasts and quick gadget repairs.

🛒 Jetzt auf AliExpress kaufen → 📋 Vollständige Spezifikationen, Größen, Materialien & ausführliche Beschreibung — auf der AliExpress-Produktseite →

🌍 Ships worldwide via AliExpress with a tracking number. Any local import taxes (if any) are set by your country's customs, not by InstaShop.

💡 Warum kaufen · InstaShop-Analyse

✅ Compact size for portable electronics
✅ Rechargeable 3.7V lithium polymer cell
✅ 400mAh capacity for small devices

👤 Ideal für: Ideal for DIY repair of small wearables, Bluetooth headsets, or compact LED devices.

🔎 Vor dem Kauf prüfen: Verify the physical dimensions and connector polarity before purchasing.

💰 Ist der Preis gut? Fair price, with a 20% discount.

🚚 Weltweiter Versand — meist 2–4 Wochen mit Sendungsverfolgung. Manche Verkäufer bieten schnelleren, kostenpflichtigen Versand.

⭐ Qualität & Vertrauen — bewertet mit —/5 auf Basis von 0 echten Käufen, ein echtes Zufriedenheitssignal.

🔒 Sicherer Checkout — Zahlung und Kauf erfolgen bei AliExpress mit Käuferschutz und Rückerstattung, falls der Artikel nie ankommt / nicht wie beschrieben ist.

💡 Vor dem Kauf — prüfe auf der Produktseite Bewertungen mit echten Fotos, die Lieferzeit in dein Land und Größen/Spezifikationen, falls relevant.

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🔍 Tiefenanalyse

This rechargeable lithium polymer (LiPo) battery is a specialized component intended for the repair and maintenance of small portable electronics, most notably wireless headphones and compact audio gear. LiPo technology is the industry standard for these applications because it offers a high energy density in a very slim profile, allowing devices to remain lightweight while maintaining a reasonable runtime. For users facing a failing battery in an expensive set of headphones, a replacement cell like this represents a functional alternative to replacing the entire device, supporting a more sustainable approach to personal tech.

However, because this specific listing currently lacks a buyer rating and a recorded history of orders, it should be treated as a generic technical component. The product title is relatively broad, providing the chemistry type but omitting the specific physical measurements and energy capacity required to guarantee a successful installation. In the world of DIY repairs, the 'one size fits all' rule never applies to batteries, meaning the burden of technical due diligence falls entirely on the buyer before completing the purchase.

✅ Vorteile

Provides a cost-effective path to repairing high-end audio gear rather than purchasing a new unit.
Lithium polymer chemistry ensures a lightweight power source that doesn't add bulk to wearable tech.
Versatile application potential across various small electronics including sensors, toys, and headsets.

⚠️ Achtung

Zero buyer ratings or order history makes it impossible to gauge the long-term reliability or actual capacity of this specific cell.
Complete lack of technical specifications in the listing title necessitates manual verification with the seller.

Who it's for: This product is designed for DIY enthusiasts, electronics hobbyists, and repair technicians who are comfortable disassembling small devices. It is ideal for those who have the tools and skills to solder small wires and want to extend the life of their current electronics.

Who should skip it: This is not suitable for the average consumer looking for a simple 'snap-in' fix. It is also not for anyone unwilling to perform manual technical measurements or those who require a manufacturer-certified replacement part.

🔎 Check before you buy

Ask the seller for the exact physical dimensions (Length, Width, and Thickness) in millimeters to ensure it fits your device's battery compartment.
Confirm the capacity (mAh) and the nominal voltage to ensure it matches the requirements of your specific electronic device.
Verify if the battery comes with a pre-installed protection circuit board (PCM) to prevent overcharging and short circuits.
Inquire about the connector type—whether it arrives with a specific plug or just bare red and black lead wires.

💰 Value verdict: At the current price point and with the available discount, this battery is priced similarly to other generic LiPo cells. However, without buyer feedback or confirmed specifications, the value is entirely dependent on your ability to verify the dimensions. If the seller confirms it fits your device, it is a fair deal for a repair part.

💡 Tipps

Use a digital caliper to measure your old battery's internal space precisely before ordering, as even a one-millimeter difference can prevent the device case fr
When installing, ensure you use proper heat-shrink tubing on the solder points to prevent any internal short circuits inside your device.

Questions about this product

Will this battery fit my specific model of Bluetooth headphones?

Fitment is based on physical dimensions rather than brand names. You must measure your existing battery and ask the seller for the dimensions of this unit to confirm compatibility.

Does this battery come with a warranty or performance guarantee?

The listing does not specify a warranty. Given the lack of buyer ratings, you should contact the seller directly to ask about their return policy if the battery arrives DOA.

Is this a genuine replacement from my device's manufacturer?

No, this appears to be a generic third-party lithium polymer cell designed to match the electrical specifications of various devices rather than an OEM branded part.

❓ Fragen & Antworten

Does it ship to my country?

Yes. The item ships worldwide via AliExpress, usually within 2–4 weeks, with a tracking number.

Are there customs or taxes?

Import duty/VAT depends on your country's rules and the order value. Any local charges are set by your customs authority, not by InstaShop.

How do I return an item if something is wrong?

Purchases are made on AliExpress with Buyer Protection — you can open a dispute and get a refund if the item never arrives or is not as described, typically within 15 days of delivery.

Is the price final?

The price shown is the product price on AliExpress. Shipping and any local import taxes (if applicable in your country) are separate.