60v 52v 48v Electric Bicycle Battery with key

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R049-6 60v 52v 48v electric bicycle battery downtube 1500w 2000W battery ship from US UK DE AU CA

Name: R049-6 60v 52v 48v electric bicycle battery downtube 1500w 2000W battery ship from US UK DE AU CA
Brand: theebikemotorkit
SKU: 36v25AH5000-R049-8
Price: 26595 USD
Availability: InStock
Rating: 5.0 (1 reviews)

Ship from US, UK, DE, CA, AU and Free Shipping

€265,95 EUR

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1, E-bike battery cell: Made of Lithium Li-on 2600mAh, 2900mAh, 3200mAh and Samsung 35E battery Cell.
2, E-bike battery life: For Li-on 2600mAh, 2900mAh, 3200mAh battery, Can charge and discharge over 1500 times, for Samsung 35E battery cell, can charge and discharge over 2000 times.
3, Size: please check the size chart picture in the description.
5,Downtube type, easy to install on the bike frame.
6, This battery is located in US, UK, DE, AU, CA warehouse, it is free shipping and can be shipped to the above places only. If you are from the above places and cannot buy it, normally it is because the battery you choose is sold out in your location's warehouse, you can choose other battery instead.

Battery cell type and Amperage

Quantity

Estimate delivery times: 3-5 Business days

Return within 30 days of purchase. Duties & taxes are non-refundable.

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Frequently Bought Together

About This Item

Voltage: 48V ;

Battery Capacity: 13Ah - 31.5Ah ;

Battery Type: Lithium Ion (Li-Ion), Rack ;

Charging Time: 5-10 hours ;

Item Condition: New

Components Included:

Battery and 3A Charger

60v 52v 48v Electric Bicycle Battery Downtube 1500w 2000W battery ship from US UK DE AU CA

Experience ultimate riding freedom with our premium 48v electric bicycle battery, engineered for maximum performance and reliability. This high-capacity ebike battery with 48v 25ah 48v 24ah 48v 20ah 52v 25ah 52v 24ah 60v 20ah voltage and capacity option, delivers exceptional power for 1500w to 2000w motors, ensuring extended range and consistent acceleration. Built with advanced lithium technology, it charges quickly and maintains durability through countless cycles. Perfect for commuters and adventure seekers, our ebike battery UK option ships rapidly from multiple locations including the US, UK, Germany, Australia, and Canada. The downtube design integrates seamlessly with your e-bike frame for a sleek appearance. Whether tackling urban streets or rugged trails, this robust 48v battery provides the dependable energy your ride demands. Upgrade your electric cycling experience today.

About Us

1, Our battery factory is a professional lithium Ion manufacturer, all of our batteries new from factory directly or within 3 month oversea stock (US, UK, DE, FR).

2, Certifications: All of our batteries have UL, ROHS, MSDS, UN38.3 safety certifications

3, Safety Tests: Short Circuit Safety Test √ Overcharge SafetyTest√ Crush Safety Test Needing Safety Test √ Extrucsion Safety Test√

4, Warranty: One year quality warranty and lifetime technical support. We has been in long-term cooperation with Samsung, LG, Sanyo, All new UPP batteries enjoy a 1-year warranty. We have technical team based in US offers the best customer support if you have requirements for other different modes and capacities, please contact us and we can customize item for you.

5, Note before order: Our battery can fit most motor kits , but exclude these four : Bosch,SHIMANO, Yamaha，Panasonic .

Specification

1, Nominal Capacity(AH): 13AH/15.6AH/20.8AH/23.4Ah(Lithium Li-on 2600mAH Cell); 26.1AH(Lithium Li-on 2900MAH Cell); 28.8AH(3200MAH Li-on battery cell); 17.5AH/21AH/31.5AH(Samsung 35E);
2, Nominal voltage(V): 48V
3, Battery internal resistance（mΩ ）: 105
4, Cell Combination: 5x13/6x14/8x13/9x13/10X13
5, End-off voltage(V): 12
6, Charging cut-off voltage（V): 54.6
7, Rated charging current Amperage of BMS (A): 10
8, Maximum Instantaneous discharging current Amperage of BMS (A): 80 or 100
9, Maximum continuous discharging current Amperage of BMS(A）: 40 or 50
10, Battery Cell: Lithium Li-on 2600mAh, Lithium Li-on 2900mAh Li-on, 3200mAh Li-on battery cell and Samsung 35E battery cell
11, 3C discharge for 2600mAh, 2900mAh and 3200mAh, 10C discharge for Samsung 35E battery
12, Max discharging Current Amperage(A): 10
13, Charging and discharging time: more than 1000 times for 2600mAh, 2900mAh and 3200mAh; more than 2000 times for Samsung 35E.
14, Charging Type（CC-CV）: cc/cv
15, Cut-off charging voltage（V）: 54.6
16, Charge temperature range ssd: 0-50℃
17, Discharge temperature range: -20–50℃

We are Authorized Distributor of Unit Pack Power ebike batteries, please check here for the certificates of authorization.

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Installation of 1500w 2000w battery

Frequently Asked Questions

Welcome to our FAQ page, where you can find answers to the most commonly asked

questions about our company, products/services, policies, and more

1. General Questions

A. General Questions

What is your return policy?

We want you to be completely satisfied with your purchase, so we accept returns on all items within 14 days of the purchase date. To start a return, please visit our Returns page and follow the instructions.

How do I track my order?

Once your order has shipped, you will receive a tracking number via email. You can use this number to track your order on our website or on the carrier's website.

Can I cancel or modify my order?

We try to process orders as quickly as possible, but if you need to modify or cancel your order, please contact our customer service team as soon as possible. We'll do our best to accommodate your request.

How long is the delivery

Normally the delivery is from 3-15 business days. Different product's delivery is different. You can see how long you will receive the item on the product page and also the checkout page. And the delivery of some certain items for example the assembled stealth bomber ebike is longer because it is shipped by sea due to the heavy weight and bulky package, the delivery takes about 35-45 business days.

B. Returns and Warranty

Returns Policy

If you are not completely satisfied with theebikemotorkit purchase for any reason, theebikemotorkit welcomes you to return new for a full refund to your original method of payment if returned within 14 days of purchase, in most cases. In order to complete the return, you must have a proof of purchase and contact us before your return. For return details, please check our refund and warranty policy.

warranty

We have 1-year standard warranty for all batteries and motors(Including the batteries and motor in the Ebike). For controller, LCD or TFT display, it is 6-months warranty if you provide us the video to show the problems. The warranty does not cover the easy wore-out parts (for example throttle, brake lever, tire, cable, headlight, bicycle seat). For details, please check our refund and warranty policy.

Normally we always like to provide the technical service and advice after your purchase as long as you provide us videos to show the problems. So after your purchase, if there is some problem, don't be hestitated to contact us. we can always give you some advise.

2. Products/Services Questions

A. Finding Products

Search for Products

Know exactly what you want? Or perhaps you're just searching for a ebike kit? Use our comprehensive Search box located in the upper right corner of our site to find the exact product you need, or browse through the collection under the catalogue colum. You can be as broad as "ebike kit", "ebike battery", "ebike" or as specific as "48V2000W electric bike kit."

How to select a perfect product

Don't know what ebike kit, battery or ebike you want to buy among the wide range of selection? First, do you have a budge? if you do, stay with a budge to select within the budge range. Second, know what's your reqest for an ebike, for example, the speed, power, and driving range; 3, if you have a bike and want to buy ebike kit to convert your bike to be electric bicycle. then you need to measure your bike's wheel size and dropout.

For more information to help, please read our blog "What you need to consider when to buy an Electric Bike Kit"

How do i know the ebike conversion kit can be installed on my bike or not

To check if your bike can be installed with our ebike kit or not, you need to measure two sizes: 1, the wheel size of your bike; 2, the dropout of your bike. with this two sizes to check the ebike kit can be installled on your bike or not. Regarding how to measure the wheel size and dropout, please check our blog How to measure the wheel size and dropout of A bike

Product Information

After you have found the perfect product, you can read the features and specification on each product detail page. The information is located beneath the product details. All the available wheel size, power, and amperage are listed on the option column for you to choose.

Product Availability & Out of Stock Products

Theebikemotorkit carries hundreds of SKUs for ebike kits, batteries and ebikes. Occasionally, an item may be temporarily out of stock. You can check the stock availablitiy by selecting your location, for example, If you are in US, You can choose your location to be United States(it is on the upper right corner box). And you can also send us emails to ask us the availabilities of certain SKU.

B. Technical services

How to install

Normally we list on our installation guide video on thee product page. And you can also go to the help videos under the blogs to check the installation guide vidoe.

Trouble Shooting

We always provide technical service after your purchase as long as you provide us the videos to show the problems. And for some normal trouble during your usage, you can check our trouble shooting blog to ge your answer too.

3. Account Questions

Account registration, sign in, password & linked accounts

Resetting Your Password

If you have forgotten your password, click the "Forgot password?" link on the Sign In screen. Enter your email address, and we will send you a link to reset your password.

Changing Your Login Email Address or Password

You can change your account email address and password on the Account Information page. All your email subscriptions and order confirmations will be sent to your new email address.

4. Contact Questions

Call us

+86-18588534856

Representatives are available:

MON-FRI: 9am to 6pm BJT

SAT-SUN: 10am to 5pm BJT

Chat with us

Representatives are available: MON-SUN: 9am - 6pm BJT

Shipment & Delivery

We normally ship it from China, US, UK or Germany warehouse by FEDEX, UPS, DPD, DHL, GLS, POST or other international express.

1, Ship it from US, UK and Germany warehouse

When you can receive your order: Order Handling Time + Delivery Time. If we have stock in US, UK or Germany warehouse, we ship it from US warehouse to US buyers, from UK warehouse to UK buyers, from Germany warehouse to Europe Union buyers. The delivery normally takes about 1-5 business days. The shipping cost to these three areas (US, UK and Europe Union) is free. To the other countries, you can check the shipping cost at checkout. No import tax from Germany to Europe Union countries.

Shipping from US, UK and Germany Warehouse

Destination

Order Handling Time(Business day)

Delivery (Business Days)

Shipping Methods

Shipping Fee

Import
Tax

US, UK, Germany

1-2

1-5

DPD, UPS, DHL, Evri, GLS, Post or FEDEX etc.,

Free

None

EU, please check EU
countries list below

1-2

3-5

DPD, UPS, DHL, Evri, GLS, Post or FEDEX, etc.,

Free

None

EU countries list: Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain and Sweden

2, Ship it from China

When you can receive your order: Order Handling Time + Delivery Time. For the orders which ship from China, We need some days to prepare your order especially the stealth bomber ebike. The order handling time is about 2-7 business days. Please check the shipping fee, handling time, delivery and import tax details in the following tables.

Ship from China to US, UK, Australia, Canada, Germany, EU and some Asia countries, please check the EU and Asia countries lists below

Package	Shipping Fee	Order Handling Time (Business Day)	Delivery (Business Day)	Shipping Methods	Import Tax
small package (1-7.9kgs)	Free	2-3	10-5	FEDEX, UPS, DHL, DPD, GLS, Post or Evri, etc.,	Yes, if you are asked to pay
8kgs<package <80kgs	Free	2-4	10-15 or 30-35	By air or by sea from China to US, EU, UK or AU, by FEDEX, UPS, DHL, DPD, GLS, Post or Evri, etc., for delivery	none
Stealth Bomber Ebike & Front Wheel	Free	5-7	35-45	By sea from China to US, EU, UK or AU, by FEDEX, UPS, DHL, DPD, GLS, Post or Evri, etc., for delivery	none
Battery	Free	3-7	12-18	By air from China to US, EU, UK or AU, by FEDEX, UPS, DHL, DPD or Evri, etc., for delivery	none

Some Asia countries list: Japan, Malaysia, Philippines, South Korea, Thailand, Vietnam

Note: For the Stealth Bomber Ebike, we cannot ship to Canada.

Shipping from China to Norway, Switzerland, New Zealand, Mexico

package	Shipping Fee	Order Handling Time (Business Day)	Delivery (Business Day)	Shipping Methods	Import Tax
small package (1-5.5kgs)	Free	2-3	10-15	FEDEX, UPS, DHL, DPD, GLS, Post or Evri, etc.,	Yes, if you are asked to pay
6kgs<package <80kgs	Free	2-4	10-15	FEDEX, UPS, DHL, DPD, GLS, Post or Evri, etc.,	Yes, if you are asked to pay
Battery	calculated at checkout	3-7	12-18	FEDEX, UPS, DHL, DPD, GLS, Post or Evri, etc.,	Yes, if you are asked to pay

Stealth Bomber

Ebike

We cannot ship this bike to Canada, but the DIY parts package for stealth bomber ebike can be shipped to Canada, the shipping rate and delivery are same to 6kgs<package<80kgs

Shipping from China to Israel, Qatar, Saudi Arabia • Israel, Saudi Arabia, Monaco, Qatar, United Arab Emirates (We cannot ship Stealth Bomber Ebike and ebike battery to this destination.

Package	Shipping Fee	Order Handling Time (Business Day)	Delivery (Business Days)	Shipping Methods	Import Tax
package (1-30kgs)	calculated at checkout	2-3	10-15	FEDEX, UPS, DHL or POST	yes, if you are asked to pay
package>30kgs, normally the DIY parts package for stealth bomber Ebike	calculated at checkout	2-4	10-15	FEDEX, UPS, DHL or POST	yes, if you are asked to pay

Fulfillment & Warehouse Network

We are Authorized Distributor of Unit Pack Power ebike batteries with base factory in Shenzhen China, Oversea warehouse in US, UK, Germany, Australia and Canada. With this advantage, we can provide fast delivery from US, UK, Germany, Australia & Canada.

We are Authorized Distributor of Drvetion electric bicycles with base factory in Guangzhou, China, warehouse in Spain and Germany, which can provide fast delivery to European countries from Spain and Germany.

Local Inventory Orders: Orders for items stocked at our US, UK, or EU, CA, Australia are dispatched directly from those local warehouses via local ground couriers (e.g., FedEx, UPS, DHL or DPD).
Direct Factory Orders: Items or custom configurations not currently stocked in regional warehouses are shipped directly from our primary manufacturing hub in Guangzhou, China."

Updated on 28th, July, 2026

Necesito una batería para mi bicicleta Izumi/ echelon, como la puedo adquirir?

Necesito una batería para mi bicicleta Izuki/echelon, cómo la puedo adquirir?…. Gracias

you just purchase it on the product page, there is checkout button or the express payment. or you don't know which battery you want to choose?

simplemente lo compras en la página del producto, hay un botón de pago o pago exprés. ¿O no sabes qué batería quieres elegir?

Blogs

Necesito una batería para mi bicicleta Izumi/ echelon, como la puedo adquirir?

Necesito una batería para mi bicicleta Izuki/echelon, cómo la puedo adquirir?…. Gracias

you just purchase it on the product page, there is checkout button or the express payment. or you don't know which battery you want to choose?

simplemente lo compras en la página del producto, hay un botón de pago o pago exprés. ¿O no sabes qué batería quieres elegir?

Let customers speak for us

from 26 reviews

Perfect

Thanks guys

Lamar Richardson

07/27/2026

72V 5A 10A charger for Stealth Bomber Ebike

Was a replacement for old light that got damaged when bike fell over ,
New light fit right in perfectly! There were improvements on new light just plug and play Basically, no soldering or splicing “ Great product !!
Great seller fast delivery “ thank you

Gad

07/17/2026

Taillight for Stealth Bomber Ebike

Great product

Everything is good on it and sterdy

Bryce Isaacs

05/28/2026

Front Wheel For Stealth Bomber Electric Bike

Battery than I thought.

Battery was better than I had anticipated and lasts very long for the power and speed I use it for.

Gustavo Ramirez

04/21/2026

Down Tube 17.5ah 19.2ah 20ah 48v ebike battery for 1000w 1500w 2000w motor ebike ship from US UK EU

Miguel Antonio

09/11/2025

R049-6 60v 52v 48v electric bicycle battery downtube 1500w 2000W battery ship from US UK DE AU CA

Great parts

I was looking for the correct parts for my stealth bomber and they turned out to be the correct and same parts, everything worked out great! I will be getting other parts soon again, thank you

Tyler Murray

05/25/2025

Aluminum Alloy Chain Wheel Crankset 52T 140Crank +Pedal For Stealth Bomber EBike

When will ilearn

This thing flys fast is never fast enough thank you

jordan bell

05/22/2025

72V 15000W Rear Wheel Electric Bike Hub Motor Conversion kit for Stealth Bomber Bike with 200A Sabvoton Controller

Very happy

This company is a very good company and they work with you even emailed me and helped me out when I made a mistake ordering the wrong part for my build I will continue doing business with them highly recommended

Randall Holland

04/14/2025

one of the best bikes out there

the best no questions ask

Anonymous

03/27/2025

26x4.0 Wheel 72V 5000W Stealth Bomber Electric Mountain Bike Ebike with 26.1Ah or 40.6Ah Battery 50mph

Not received

The kit has not been received. Please help

Tunc Erdem

07/12/2024

48V 1200W 20" x 4.0 Wheel Electric Handcycle WheelChair Attachment

Excellent overall product

The product is well made, affordable, shipped promptly and arrived when promised. A clear and well laid out set of instructions accompanied this battery pack. The specs describe a powerful and flexible product. I can't wait to fully install it in my upgraded ebike.

Roger Kutz

04/24/2024

48V 52V 72v 20AH-31.2AH Triangle Shape lithium ion battery pack for 1500W-3000W Electric Bike

Rolling on "E"

I would like to see a wider selection of accessories for the stealth bomber ebike. I'd like to definitely see more fenders front and rear. Thank you for your time

Greg Srsic

04/15/2024

Bicycle Mud Guard Fender for Stealth Bomber Electric Bike

Can’t wait

Looking forward to building a bomber gonna do a YouTube video about the build will leave link soon

Brian Nichols

04/12/2024

Rear Wheel 72v 8000W Hub Motor Kit for Stealth Bomber Bike with 200A Sabvoton Controller

Is this a real website

Red

03/21/2024

19" or 21" Motorcycle Wheel 72V 15000W Stealth Bomber Ebike Beach Cruiser 82-95mph

Shipping

Hello what is the shipping time to the United States?

Eric

01/14/2024

26" x4.0 Fat Wheel 48V 2000W Stealth Bomber Electric Bike Beach Cruiser with 31.2Ah Li-on Battery 38mph

Time after purchase	Product Condition	Return	Exchange	Shipping Fee
＜14 Days	(Unopened and Unused) Brand New	√	×	borne by the customer
	(Opened and Unused) Non-Defective Product	√	×	borne by the customer
	(Opened and Used) Defective Product (provide product video)	×	√	borne by the seller
＞14 Days	Non-Defective Product	×	×	/
3 Months	Defective Product (provide product video)	×	√	borne by the seller
6 Months	Defective Product (provide product video)	×	√	borne by the seller
12 Months	Defective Product (provide product video) This does not apply to Controller and LCD, TFT display	×	√	borne by the seller

Country/region

Country/region

R049-6 60v 52v 48v electric bicycle battery downtube 1500w 2000W battery ship from US UK DE AU CA