Junda offers custom-built 48V lithium-ion battery packs based on 13S 18650 cell configurations. Designed for high-performance and long-cycle applications, these battery packs are widely used in e-bikes, drones, mobile power systems, and industrial energy storage. With flexible form factors and fully programmable BMS, our 48V solutions deliver stable voltage, safe operation, and scalable power—tailored to your specific load requirements.
Proven Expertise in 48V Design
Over 10 years of experience in lithium battery pack design and manufacturing
Successfully delivered 48V solutions for e-mobility and industrial customers worldwide
Certification support includes UN38.3, IEC 62133, UL 2054, and MSDS
Full Customization Available
Capacity range from 5Ah to 200Ah or more
Tailored shapes and sizes for different installation environments
Flexible connector options including XT60, Anderson, aviation plugs, or customer-specified interfaces
Smart BMS Integration
Real-time monitoring of voltage, temperature, current, and cycle count
Communication protocol options: CAN, RS485, UART
Multi-layer protection against overcharge, over-discharge, short circuit, and overheating
Wide Range of Applications
Electric mobility: Suitable for high-performance e-bikes, cargo scooters, and last-mile delivery vehicles
UAV systems: Supports extended flight times and heavier payloads for industrial drones
Energy storage: Ideal for modular residential or commercial energy backup and power management systems
Strict Quality Control
100% inspection for cell consistency, pack assembly, and discharge performance
Comprehensive testing including aging, vibration, and temperature stability
Manufacturing and quality standards comply with international regulations and end-user safety requirements
Our technical team brings over 15 years of hands-on experience in 18650 cell integration and pack architecture. We design each pack for optimal balance between capacity, safety, and lifecycle.
We tailor every BMS according to your project’s voltage, current, and protocol requirements. You can even specify component brands for ICs, MOSFETs, and protection circuits to align with your performance or sourcing standards.
Every pack undergoes cell matching, insulation testing, temperature monitoring, and cycle verification. We ensure uniform resistance, stable output, and long-term reliability—all in line with ISO and UN38.3 standards.
With streamlined workflows and in-house capabilities, we accelerate your development timeline without compromising on quality—ideal for fast-moving product cycles or urgent OEM requirements.
Explore our range of 48V (13S) lithium-ion battery packs, engineered with premium 18650 cells for reliable high-voltage output. Each pack supports customization in capacity, housing, connector, and BMS—serving applications from solar lighting to electric mobility.
Configuration: 13S4P (52 pcs 18650, 2600mAh)
Nominal Voltage: 48V (Fully charged: ~54.6V)
Features: Smart BMS, structured with protective battery holders
Application: Solar LED lighting systems, off-grid setups
Cell Count: 78 pcs 18650, 2600mAh from premium brands
Configuration: 13S6P, 15Ah total capacity
Features: Built-in Smart BMS and LED charge indicator
Customization: Dimensions and connector per your device
Application: Portable power systems, industrial lighting
Configuration: 13S7P (91 pcs Samsung 35E, 3500mAh)
Capacity: 20Ah nominal
Features: Enhanced thermal management and insulation structure
Application: Electric bicycles, electric wheelchairs, cargo scooters
Most 48V packs use a 13S configuration (13 cells in series). Common combinations include 13S3P, 13S4P, and 13S10P depending on capacity and current requirements.
48V packs are widely used in electric bikes, scooters, drones, mobile robots, and energy storage systems for residential or industrial use.
Yes. We offer complete customization for housing shape, cell type, connector (e.g., XT60, Anderson), and capacity from 5Ah to 200Ah or more.
Yes. Our battery packs can integrate BMS with communication protocols like CAN, RS485, or UART, enabling data monitoring and system-level control.
Our 48V packs can comply with UN38.3 for transport, IEC 62133 for product safety, UL 2054 for system safety, and we provide MSDS documentation.
Yes. We offer complete customization for housing shape, cell type, connector (e.g., XT60, Anderson), and capacity from 5Ah to 200Ah or more.
Yes. We can produce waterproof (IP-rated) and vibration-resistant designs for outdoor or rugged industrial environments based on your specifications.
Choosing the right 14.8V 18650 battery pack is critical for powering industrial-grade equipment. This guide walks you through key specs, configuration decisions, cell brand selection, certifications, and pricing considerations.
A 48V lithium-ion battery pack is typically structured as 13 cells connected in series (13S) using 18650 cylindrical lithium cells, each with a nominal voltage of 3.7V. This produces a total nominal voltage of 48.1V, with a fully charged voltage of 54.6V, and a safe discharge cut-off near 39V depending on BMS limits.
Each additional parallel layer (Px) increases the overall capacity (Ah) and current output. The structure can be flexibly scaled without altering the nominal voltage:
| Configuration | Series x Parallel | Cell Count | Capacity (2600mAh cells) | Rated Current (est.) |
|---|---|---|---|---|
| 13S3P | 13 × 3 | 39 | 7.8Ah | 10–15A |
| 13S4P | 13 × 4 | 52 | 10.4Ah | 15–20A |
| 13S6P | 13 × 6 | 78 | 15.6Ah | 25–30A |
| 13S10P | 13 × 10 | 130 | 26Ah | 40A+ |
The total energy (Wh) of a 48V pack can be calculated as:
Energy (Wh) = Nominal Voltage × Capacity (Ah)
e.g. 48.1V × 20Ah = 962Wh
This makes 48V systems well-suited for applications demanding higher torque, longer runtime, or integration with inverter-based systems.
If your load includes a brushless DC motor, onboard inverter, or sustained discharge >15A, 48V offers better thermal and electrical efficiency than 36V. Compared to 52V, it is safer, more BMS-compatible, and has better international system compatibility (especially in EU and Asia markets).
| System Voltage | Nominal (V) | Full (V) | Typical Use Case | Pros | Trade-offs |
|---|---|---|---|---|---|
| 36V (10S) | 36.0V | 42.0V | Standard e-bikes, tools | Lower weight, lower cost | Limited speed & torque |
| 48V (13S) | 48.1V | 54.6V | E-mobility, storage, drones | Higher power, standard control | Larger size, requires better BMS |
| 52V (14S) | 51.8V | 58.8V | Racing e-bikes, high power | Peak performance for motors | Less controller compatibility |
Cell selection directly impacts performance, longevity, and safety. Below is a breakdown of commonly used cell models:
| Cell Brand & Model | Capacity (mAh) | Max Continuous Discharge | Recommended Use Case |
|---|---|---|---|
| Samsung 35E | 3500 | 10A | Long-range mobility / ESS |
| LG MJ1 | 3500 | 10A | Balanced ESS / robotics |
| Molicel P26A | 2600 | 25A | High-discharge e-bikes / UAVs |
| BAK N18650CNP | 2600–2900 | 10–15A | Cost-effective general applications |
| Panasonic NCR18650GA | 3450 | 10A | ESS / BMS-integrated applications |
Tip: Always ensure cell consistency by requesting IR-sorted batches and traceable production codes (<6 months from production).
Effective thermal management is critical for ensuring both performance and safety in 48V 18650 battery packs. Without proper heat dissipation, cells may overheat during high-load discharge, leading to reduced lifespan, thermal runaway risks, or BMS-triggered shutdowns.
Key recommendations include:
Use of aluminum or composite heat sinks integrated into the cell holder or shell to improve conduction.
Thermally conductive gap fillers between cells and the enclosure to ensure even heat distribution.
Temperature sensors + BMS control to trigger active cooling or system cut-off.
Forced-air or liquid cooling for high-current continuous applications like e-mobility or industrial drives.
Investing in proper heat management is essential to extend battery life, maintain stable voltage output, and avoid thermal stress under rapid charge/discharge cycles.
Choosing the right cell chemistry and model significantly affects the energy density of your 48V battery pack. Higher energy density means more runtime at a given weight and size—critical for space-constrained applications like drones, e-bikes, or compact robots.
| Cell Model | Capacity (mAh) | Energy Density (Wh/kg) | Best Use Case |
|---|---|---|---|
| Samsung 35E | 3500 | 245–255 | Long-range e-bikes, storage |
| LG MJ1 | 3500 | 250+ | Lightweight equipment |
| Molicel P28A | 2800 | 220–230 | Balanced power and energy |
| BAK 18650CNP | 2900 | 210–220 | Cost-sensitive applications |
Choosing the right cell is a strategic balance between energy density, cost, and current demand. For portable applications, higher Wh/kg is often preferred.
High-discharge 48V battery packs (e.g., 13S4P with 20A–30A output) offer outstanding performance in e-bikes, scooters, and robotic platforms. But pushing cells at high C-rates introduces trade-offs in longevity.
Trade-off summary:
High C-rate (>3C): Delivers strong bursts of power but increases internal resistance and heat, accelerating degradation.
Medium C-rate (1.5–2.5C): Offers a balance between performance and lifespan; suitable for most e-mobility setups.
Low C-rate (<1C): Ideal for energy storage and low-drain devices, significantly extending cycle life.
For mission-critical projects, pair high-rate cells like Molicel P26A with proper BMS and cooling. For long-life storage systems, consider lower-drain models with higher Ah ratings.
Understanding your load profile helps you strike the right balance between power delivery and battery replacement cost.
To help you determine if a 48V 18650 pack is the best fit, here’s a comparison with 22.2V, 24V, and 36V systems. This summary covers voltage performance, typical applications, and pros/cons.
| Voltage | Configuration | Common Use Cases | Advantages | Disadvantages |
|---|---|---|---|---|
| 22.2V (6S) | 6S 18650 | Drones, Handheld Tools | Lightweight, High Discharge Rate, Compact | Shorter Runtime, Lower Energy Reserve |
| 24V (7S) | 7S 18650 | Medical Devices, Robotics | Safe for mid-power systems, Broad compatibility | Not ideal for heavy-load or high-speed applications |
| 36V (10S) | 10S 18650 | E-bikes, Floor Cleaners | Good balance of speed & range, Cost-effective | Less torque compared to 48V, Lower motor efficiency |
| 48V (13S) | 13S 18650 | High-performance E-bikes, ESS, Robotics | More power, Faster speed, Efficient for 500W–1000W+ systems | Requires advanced BMS & insulation, Slightly larger form factor |
The price of a 48V 18650 battery pack can vary significantly depending on several technical and customization factors. For B2B buyers, understanding these cost drivers is essential to balance budget with performance and compliance.
Key Factors That Influence Price:
1. Cell Brand & Grade
Premium 18650 cells from brands like Samsung, LG, or Panasonic can cost 20–40% more than generic or Grade B cells, but they offer better cycle life and discharge consistency.
2. Configuration & Capacity
Larger configurations like 13S7P (48V 20Ah) require more cells, resulting in higher cost.
For reference:
13S3P (48V 7.8Ah): ~$60–$90
13S6P (48V 15.6Ah): ~$100–$160
13S10P (48V 26Ah): $180 and above
3. BMS Type
Basic BMS adds ~$5–$10. Smart BMS with CAN, RS485, UART, temperature control, and logging features can add $20–$50 depending on functionality.
4. Enclosure, Connectors, and Waterproofing
Custom housing (metal/plastic), XT60 or Anderson connectors, IP65-rated waterproof designs may add $10–$30 per unit.
5. Certification and Testing Requirements
If you require UN38.3, IEC 62133, or UL2054 certification, expect additional charges for:
Sample testing fees
Lab certification fees
Extra prototype cycles
Bulk Pricing Tip
For wholesale orders (100+ units), most manufacturers provide 10–25% discounts. Prices are typically negotiated based on:
Annual purchase volume
Customization level
Lead time and payment terms
48V 18650 lithium-ion battery packs are widely used across industries due to their optimal balance of voltage, power output, and size. Whether for electric mobility, backup energy storage, or automation, 48V systems have become a mainstream solution for high-efficiency power delivery.
48V battery packs are commonly used in high-performance electric bikes and scooters, offering enhanced torque, longer range, and support for motors up to 1000W. Ideal for uphill climbs and long commutes.
In compact residential solar systems, 48V 18650 packs are used to store excess energy. They support backup during outages and improve inverter efficiency in off-grid or hybrid setups.
Heavy-lift drones in agriculture, mapping, and logistics benefit from 48V packs that reduce current load and support long-duration flights. Compatible with smart BMS for flight telemetry.
48V packs power autonomous floor scrubbers and robotic platforms, offering stable power delivery and integration with advanced motor control systems (CAN/UART).
Selecting the right 48V battery pack involves balancing technical specs, application needs, and safety requirements. A mismatch can lead to underperformance, overheating, or reduced battery lifespan. Here’s what to evaluate before placing your order:
1. Define Your Application Requirements
Before anything else, clarify:
Motor Power or Load Type: Is it for a 500W e-bike motor, a solar inverter, or a 25A robotic motor?
Runtime Expectations: How long should the system run per charge?
Size Constraints: Are there limits on battery dimensions or weight?
Environmental Conditions: Will it operate in high heat, moisture, or vibration?
These determine the configuration (e.g., 13S3P, 13S7P) and cell chemistry choice.
2. Choose the Right Cell Brand and Discharge Rate
48V packs use 18650 cells from top brands like Samsung, LG, BAK, and Molicell.
High-drain cells (≥10C) for e-bikes, drones, or tools
Standard-drain cells (2C–5C) for ESS or lighting
Verify capacity (e.g., 2600mAh vs. 3500mAh) vs. cycle life expectations
Tip: Don’t choose the highest capacity cells blindly — higher capacity often means lower current tolerance.
3. Evaluate BMS Specifications
The Battery Management System (BMS) is essential to protect your 48V pack. Look for:
Continuous & peak discharge current ratings
Protections: Overcharge, over-discharge, short circuit, temperature
Smart Protocols: UART, CANBUS, RS485 for data logging and system integration
If you’re integrating into a smart system, make sure your BMS supports the required communication protocols.
4. Consider Customization & Certifications
Custom battery packs for global applications may require:
Customized connectors or enclosures
International certifications: UN38.3, IEC 62133, UL2054, MSDS
Labeling & packaging compliance for air/sea shipping
A professional supplier should help you meet both functional and regulatory needs.
48V 18650 battery packs are ideal for high-power applications like e-bikes, energy storage, and industrial equipment. With customizable specs, reliable BMS, and strong brand cells, they offer a perfect balance of performance and safety.
With more than a decade of experience, Junda delivers precision-engineered lithium battery packs tailored for your unique applications. Here’s what makes us a trusted partner for global B2B clients:
At Junda, our engineering team is led by a senior battery architect with 15+ years of hands-on experience at CATL, BYD, and other industry leaders. Backed by a cross-functional team of 6 engineers, we provide full-cycle development from design and simulation to testing and certification. We’ve completed over 1,000 custom battery pack projects across sectors like eMobility, energy storage, medical devices, and industrial tools—always focusing on safety, reliability, and performance.
Junda operates under a strict ISO 9001:2015-certified quality management system, overseen by our QA director and implemented across every department. From incoming cell inspection to final pack aging tests, every step is digitally tracked and traceable. Our system ensures stable supply chain sourcing, controlled assembly processes, and compliance with industry benchmarks such as UN38.3, CE, and IEC 62133.
Junda’s battery pack assembly process integrates mechanical, electrical, and thermal design tailored to your use case. Our capabilities include IP67/IP68 waterproof housing, high-discharge BMS systems, CAN/RS485 communication protocols, and reinforced designs for vibration or extreme environments. We conduct cell sorting, welding, insulation, balancing, and aging tests in-house to ensure consistent performance and longevity.
From your first inquiry to final delivery, we provide responsive, multilingual support backed by a dedicated sales and engineering team. We guide clients through technical evaluation, prototyping, compliance, and logistics—ensuring a transparent, stress-free experience. Whether you need an urgent sample or a long-term OEM solution, we’re here to make your battery development process efficient and reliable.
Share your voltage, size, application, and quantity needs—we’ll assess your project quickly.
Our engineers will optimize the design, confirm details, and provide samples if needed.
Once approved, we start production and arrange fast, secure shipping to your destination.
Need a custom lithium battery pack? Just send us your specs—we’ll help you choose the right voltage, case, and configuration for your application.
At JUNDA, we make customization easy. Follow these 3 simple steps to start today:
Send your battery requirements — voltage, capacity, casing type, or upload drawings/photos.
We’ll evaluate your specs and recommend the best configuration. A detailed quote will be sent within 24 hours.
After approval and deposit, we start production. Shipping and tracking will be arranged for fast, secure delivery.
