-16%

$6.48

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

1 sold recently🏷️ koonenda🏬 Sold by Shop1105310340 Store

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

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

from$6.48

Price updated 12 Oct 2026

Options (6):

ℹ️ Final price per option is set on AliExpress.

🚚 Shipping to Israel: Free · 74–74 days (live from 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.

🛒 Buy now on AliExpress →

📋 Full specs, sizes, materials & detailed description - on the AliExpress product page →

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

📈 Price historyTracked daily since 28 Sept · 15 days

28 Sept12 Oct

Lowest

$6.01

Highest

$6.50

$6.48

⚠️ Higher than usual - consider waiting

Over 15 days of daily tracking (since 28 Sept) the price ranged from $6.01 to $6.50. Today: $6.48.

Based on InstaShop's daily price tracking of AliExpress. The final price is set by AliExpress.

📊 InstaShop data for this product

Went to buy

30 days

Real visitors only (no bots). Purchases per the AliExpress affiliate report.

💡 Why buy · InstaShop analysis

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

🔎 Check before buying: Verify the physical dimensions and connector polarity before purchasing.

💰 Is the price good? AliExpress lists 16% off, but in our daily tracking the price is higher than usual right now - consider waiting.

🚚 Worldwide shipping - usually 2–4 weeks with a tracking number. Some sellers offer faster paid shipping.

⭐ Quality & trust: this product does not have enough AliExpress buyer reviews yet. Check the reviews with photos on the product page before buying.

🔒 Secure checkout - payment and purchase happen on AliExpress with Buyer Protection and a refund if the item never arrives / isn't as described.

💡 Before buying - on the product page check reviews with real photos, shipping time to your country, and sizes/specs if relevant.

What AliExpress buyers say

There are not enough AliExpress ratings for this product yet. Check the reviews with photos on the product page before buying.

See reviews on AliExpress →

InstaShop is a catalog that links to AliExpress. Purchase, shipping and warranty are provided solely by the AliExpress seller; some links are affiliate links (the price to you doesn't change). Terms of Use

🔍 In-depth analysis

This analysis is written with an AI model from the product data (name, category, price, rating and orders), not from a hands-on test. How we choose and score

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.

✅ Pros

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.

Cons and cautions

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.

From our data

Delivery to Israel can take up to 74 days
No buyer rating yet
Few orders so far (1)
6 variants on one listing: price and spec change with the option you pick

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.

💡 Tips

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.

❓ Questions & Answers

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.