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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
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Description
KOOLUX 48V 10.4Ah Rear Rack Battery For X11S EbikeKOOLUX 48V 10. 4Ah Rear Rack Battery Premium Power for Your X11S E Bike Experience extended range and reliable performance with the KOOLUX 48V 10. 4Ah rear rack battery, engineered specifically for X11S electric bikes. This high capacity lithium battery delivers consistent power output, enabling longer rides on a single charge without compromising weight or handling. Designed for seamless integration, the rear rack mounting keeps your e bike balanced
KOOLUX 48V 10.4Ah Rear Rack Battery — Premium Power for Your X11S E-Bike Experience extended range and reliable performance with the KOOLUX 48V 10.4Ah rear rack battery, engineered specifically for X11S electric bikes. This high-capacity lithium battery delivers consistent power output, enabling longer rides on a single charge without compromising weight or handling. Designed for seamless integration, the rear rack mounting keeps your e-bike balanced and maintains low centre of gravity for improved stability. The robust construction withstands daily commutes and off-road adventures, while intelligent battery management protects against overcharging and overheating. Perfect for urban commuters, weekend cyclists, and e-bike enthusiasts seeking dependable energy storage. Compatible with X11S models, this 48V battery system combines durability with practical performance. Upgrade your e-bike range today with KOOLUX — trusted power for every journey.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
Rechargeable reliable
Color: Lux Alpha Black, Size: Rechargeable Z1 Motor Max
Nice, very reliable and easy-to-use and clean
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 5
Powerful and silent!
Color: Lux Metallic Blue, Size: Rechargeable Z1 Motor Max
Wow, call me impressed! I just got the rechargeable version in blue and it's gorgeous! The metal shaft is thick, high quality and long enough to reach the bottom of a tall mug. And the double whip end works like magic. I had a cheaper frother (another brand) and this one blows it away! I couldn't even get much of a froth with my other one and having to hold the button the whole time was annoying. One press of this button and my milk was frothed in seconds. I didn't even use the higher setting! My morning latte is very happy.
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Reviewed in the United States on March 4, 2026
★★★★★ 5
Powerful, rechargeable battery, easy to use & clean
Color: Lux Absolute Silver, Size: Rechargeable Z1 Motor Max
2 speeds, easy to change back and forth to different speeds with one click , easily blends 1/4 cup protein powder in 12 oz milk on low speed. Easy to clean: Stick blending wand in tall glass with warm water + dish soap, turn on low speed to clean easily (don’t stick the part that holds the battery in glass). Also of note, chosen by Americas Test Kitchen as best milk frother but I use it to make protein shakes.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Works great on bullet coffee!!
Color: Lux Alpha Black, Size: Rechargeable Z1 Motor Max
I am really pleased with this frother! Frothers I have used in the past didn’t mix my decaf coffee, 2% milk, and MCT oil as thoroughly as I like (oil and coffee separated). This frother blends everything AND I get a nice layer of frothy milk on top!!! Charge lasts a long and the froth can be submerged all the way up to the button!!!
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Strong and Quiet
Color: Lux Cardinal Red, Size: Rechargeable Z1 Motor Max
Better than I expected. Works in two modes. Makes mixing a breeze.
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Reviewed in the United States on May 23, 2026
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