Any feedback after using it for a while?

Sorry charged after it arrived and haven’t used it. So I don’t know how long it holds a charge

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Rapthor 3500mAh Rechargeable Replacement Lithium Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker

Rapthor 3500mAh Rechargeable Replacement Lithium Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker

Product ID: 358353816

Details

Amperage
3500 milliamps
Brand
rapthor
Color
Black
Compatible Devices
Compatible
Compatible Phone Models
Compatible
Connector Type
wireless

🔋3500mAh High Capacity

🛠️Easy Installation Kit Included

🛡️Built-in Safety Circuit

₨12433

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

Description

🔋 Power your vibe, never miss a beat!

SAFE SOUND - Integrated protection circuit guards against overcharge, over-discharge, and short circuits for worry-free use.
POWER UP LONGER - 3500mAh capacity delivers extended playtime beyond the original battery, keeping your Onyx Studio rocking all day.
UNIVERSAL ONYX FIT - Seamlessly compatible with Harman Kardon Onyx Studio 1 through 4, restoring your speaker’s wireless freedom.
PLUG PLAY SIMPLICITY - Comes with screwdriver and plastic tool for a hassle-free, quick battery swap—no tech degree needed.
DURABILITY MEETS DESIGN - Foam cushioning and reinforced wiring ensure a secure, damage-resistant connection for lasting performance.

The Rapthor 3500mAh Rechargeable Replacement Lithium Battery is a high-capacity, safe, and easy-to-install power solution designed specifically for Harman Kardon Onyx Studio models 1 to 4. It includes all necessary tools for quick installation, features enhanced durability with foam cushioning and longer wiring, and incorporates built-in safety circuits to protect your device. Perfect for professionals who demand reliable, long-lasting wireless audio performance on the go.

Specifications

ASIN	B099NJVQQ7
Amperage	3500 milliamps
Best Sellers Rank	#55,896 in Toys & Games ( See Top 100 in Toys & Games ) #136 in Hobby Remote & App Controlled Vehicle Batteries
Brand	rapthor
Built-In Media	Install tool, Replacement battery, Screwdriver
Color	Black
Compatible Devices	Compatible with Harman Kardon Onyx Studio 1/2/3/4
Compatible Phone Models	Compatible with Harman Kardon Onyx Studio 1/2/3/4
Connectivity Technology	Bluetooth
Connector Type	wireless
Customer Package Type	Standard Packaging
Customer Reviews	4.4 out of 5 stars 335 Reviews
Enclosure Material	Plastic
Included Components	Install tool, Replacement battery, Screwdriver
Input Voltage	3.7 volts
Item Weight	0.11 kg
Manufacturer	MSW (Shenzhen) Technology Limited
Model Name	Replacement Battery
Number of Items	1
Number of Power Levels	1
Output Voltage	3.7 volts
Power Plug	No Plug
Power Source	Battery Powered
Special Feature	Easy to Install, Higher Capacity, Short Circuit Protection
Special Features	Easy to Install, Higher Capacity, Short Circuit Protection
UPC	735818080479
Unit Count	1 Count
Voltage	3.7 volts
Warranty Description	1 year warranty provided.
Wattage	12.95 watts

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.