High Power 48V Stealth Bomber ebike battery 29Ah, 32Ah, 35Ah for 3000W dirt bike

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CHF 591.00
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1, E-bike battery cell: Made of Lithium 3200mAH and Samsung 35E battery Cell.
2, E-bike battery life: Can charge and discharge over 1000 times for 2900mAh and 3200mAh Li-on battery and can charge and discharge over 1500 times for Samsung 35E battery.
3, Flexible style. your OEM size is welcome. Size:385x145x5mm
4, Connector: we can offer XT-60, Anderson, Bullet shape or XT-90 connector, please let us know what connector you need after your purchase. if you don't specify it, we normally send you the XT-90 connector for this battery.

Battery Type and Capacity(Amperage)
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Frequently Bought Together

About This Item

Voltage: 48V ;         
Battery Capacity: 29Ah, 32Ah, 35Ah   ;        
Battery Type:  Lithium Ion (Li-Ion)  ;        
Charging Time:  10-12 hours ;        
Item Condition: New

Components Included: 
Battery and 3A charger

Description

FAQs

Shipment & Delivery

Reviews

48V Stealth Bomber E-Bike Battery Pack (28.8Ah – 35Ah | Up to 3000W Motors)

Product Overview

The 48V Stealth Bomber E-Bike Battery Pack is a high-capacity, high-discharge lithium-ion power unit engineered specifically for Stealth Bomber frame builds, off-road electric dirt bikes, and high-performance electric mountain bikes running up to 3000W motors. Available in 28.8Ah, 31.5Ah, and 35Ah capacity configurations, this 48V series offers options built with cost-effective 3200mAh 3C Li-ion cells or premium, high-drain 10C Samsung 35E (INR18650-35E) cells. Managed by an industrial-grade 80A continuous BMS (supporting peak instantaneous discharge up to 160A), it guarantees maximum torque delivery without voltage sag, exceptional heat dissipation, and an extended service lifespan of up to 1,500+ complete charge cycles.

Custom Sizing Fabrication: Custom size and shape orders are welcome to fit specialized Stealth Bomber frame cavities or custom battery enclosures.

Technical Specifications

Feature Technical Parameter
Nominal Voltage 48V System
Compatible Bike Frame Stealth Bomber Frames, E-Dirt Bikes & Custom High-Power Builds
Compatible Motor Output Designed for 3000W Motors
Warranty & Support 1-Year Quality Warranty + Lifetime Technical Support
Custom Size Fabrication Customized size order is welcome
Battery Cell Options

• Standard 18650 Li-ion 3200mAh Cell (3C Discharge)


• Samsung 35E Cell (10C High Discharge)

Nominal Capacity Options 28.8Ah | 31.5Ah | 35Ah
Cell Combinations 9x13 | 10x13
BMS Continuous Discharge Current 80A
BMS Max Instantaneous Current 160A
Max Discharging Current Amperage 10A
Internal Resistance 105 mΩ
Charging Cut-Off Voltage 54.6V
Discharge End-Off Voltage 12V
BMS Rated Charging Current 10A
Charging Method CC / CV (Constant Current / Constant Voltage)
Battery Life / Cycle Count

Standard 3200mAh Cells: >1,000 Complete Cycles


Samsung 35E Cells: >1,500 Complete Cycles

Operating Temperatures

Charge: 0°C to 50°C (32°F to 122°F)


Discharge: -20°C to 50°C (-4°F to 122°F)

Key Features & Performance Highlights

  • 80A Continuous / 160A Peak BMS: Built with a high-current BMS board supporting up to 80A continuous discharge and 160A peak instantaneous discharge, supplying instant acceleration and sustained power to 3000W motor controllers.

  • Samsung 35E & 3200mAh Cell Choices: Select between economical 3C discharge 3200mAh cells (>1,000 cycle lifespan) or premium 10C high-discharge Samsung 35E cells providing up to 1,500+ deep cycle durability.

  • Precision Stealth Bomber Fitment: Engineered specifically for the inner frame geometry of Stealth Bomber e-dirt bikes to optimize center-of-gravity and vehicle handling.

  • Custom Dimension Manufacturing: Tailored sizing orders are welcome to meet unique frame modifications or specialized battery enclosure dimensions.

  • 54.6V Charge Management: Safe CC/CV charge loop prevents overcharging, short circuits, thermal runaway, and low-voltage over-discharge.

  • 1-Year Warranty & Lifetime Support: Backed by a full 1-year quality warranty and lifetime technical support.

Package Contents

  • 1x 48V Stealth Bomber E-Bike Battery Pack (Selected Capacity & Cell Option)

  • 1x Heavy-Duty Wiring Harness & Power Connectors

Frequently Asked Questions (FAQ)

Q: What size motor is compatible with this 48V battery?

A: Powered by an 80A continuous / 160A peak BMS, this 48V pack is optimized for high-performance Stealth Bomber e-dirt bikes and electric bicycles with motors rated up to 3000W.

Q: What is the full charge cut-off voltage?

A: The full charge cut-off voltage is 54.6V using standard CC/CV (Constant Current / Constant Voltage) charge control. The end-off discharge voltage is 12V.

Q: What battery cell options are available and how long do they last?

A: You can choose standard 3C discharge 3200mAh Li-ion cells rated for over 1,000 cycles, or premium 10C high-discharge Samsung 35E cells rated for over 1,500 cycles.

Q: Can I order a custom size to fit my specific Stealth Bomber frame?

A: Yes, custom size orders are welcome. You can provide your inner frame dimensions to build a pack tailored to your frame cavity.

 

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
Norway, Switzerland and 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, CA 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, CA 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, CA or AU,  by FEDEX, UPS, DHL, DPD or Evri, etc., for delivery 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

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


Ship from China to United Arab Emirates 
 Package

Shipping

Fee

Order Handling Time (Business Day)

Delivery (Business Day)

Shipping Methods

Import 

Tax

small package

(1-7.9kgs)

Free 2-3 10-15 Special airline from China to UAE

Yes, if you

are asked

to pay

8kgs<package

<40kgs

Calculated at checkout 2-4 10-15  Special airline from China to UAE

Yes, if you

are asked

to pay, normally no

Stealth Bomber

Ebike, Front Wheel & Electric Wheelchair attachment 

Free 5-7 35-45 By sea from China to UAE, then ship it by local delivery company in UAE none
Battery Free 3-7 12-18 Special airline from China to UAE none

 


 Shipping from China to Norway, Switzerland, New Zealand, Mexico, Argentina & Brazil
 package

Shipping

Fee

Order Handling Time (Business Day)

Delivery

(Business

Day)

 Shipping Methods

Import

Tax

small package

(1-5.5kgs)

Free

2-3

10-13

FEDEX, UPS, DHL, etc.,

Yes, if you are asked to pay

6kgs<package

<80kgs

Free 2-4 10-13 FEDEX, UPS, DHL, etc., Yes, if you are asked to pay


Battery
Free 3-5 12-15 FEDEX, UPS, DHL, etc., Yes, if you are asked to pay

 Stealth Bomber

Ebike

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

  


 Shipping from China to Qatar, Saudi Arabia,(We cannot ship Stealth Bomber Ebike 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

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