Custom-18650-Battery-Packs-Rechargeable-Lithium-Polymer-Batteries

Rechargeable 18650 & Lithium Polymer Battery Packs

ZERNE provides custom lithium battery solutions for OEM devices, including 18650 battery packs, rechargeable lithium polymer batteries, PCM/BMS integration, custom connectors, wire length, voltage, capacity and pack structure design.

Since 1998

Custom Size & Capacity

Fast Sample Support

Quality Assurance

Choose the Right Battery Type for Your Project

18650 Battery Pack

Best for devices that need stable power output, multi-cell pack design, and long cycle life.

Best For: Portable equipment, power tools, handheld devices, medical backup power

Key Advantage: Mature cylindrical cell structure with stable and consistent supply

Pack Design: Supports multi-cell series and parallel configurations

Custom Options: Voltage, capacity, BMS/PCM, connectors, and cable length available

Performance Benefit: Good cycle life and dependable power output for OEM applications

Rechargeable Lithium Polymer Battery

Best for compact devices that require a slim, lightweight, and custom-sized battery.

Best For: GPS trackers, wearables, IoT devices, heated products, medical devices, compact electronics

Key Advantage: Thin, lightweight, and space-saving battery design

Size Flexibility: Custom thickness, width, length, and shaped battery options available

Custom Options: Capacity, voltage, PCM/BMS, NTC, and connector customization supported

Performance Benefit: Ideal for limited internal space and portable smart devices

Custom

18650 Battery Packs

Stable Power. Longer Runtime. Built for Demanding Devices.

ZERNE provides custom 18650 battery packs with multi-cell design, stable output and high reliability for portable equipment, power tools, medical devices, scooters and more.

Multi-cell Pack Design
2S / 3S / 4S / 6S
Series & Parallel
Multiple Voltage Options
7.4V / 11.1V / 14.8V / 22.2V
PCM / BMS Protection
Overcharge, Over-discharge, Short-circuit Protection
Connector & Wire
JST / Molex / Custom Cable Length

STANDARD PRODUCTS

1200-7.4V

7.4V 1200mAh 18650 Battery Pack

1800-7.4V

7.4V 1800mAh 18650 Battery Pack

2200-7.4V

7.4V 2200mAh 18650 2S1P Pack

2600-7.4V

7.4V 2600mAh 18650 2S1P Pack

1800-22.2V

22.2V 1800mAh 18650 Battery Pack

2600-22.2V

22.2V 2600mAh 18650 6S1P Pack

CUSTOM 18650 PACKS
We can design the battery pack that fits your device and performance needs.
Custom Voltage & Capacity
Series / Parallel Configuration
PCM / BMS Protection
Connector & Wire Customization
Pack Structure & Enclosure Design
custom-lipo-battery

Custom

Rechargeable Lithium Polymer Batteries

Thin. Lightweight. Flexible. Perfect for Compact Devices.

ZERNE offers custom LiPo batteries with various sizes, thicknesses and shapes for GPS trackers, wearables, IoT devices, medical electronics and other space-limited applications.

CUSTOM LIPO BATTERIES
Custom size, shape and capacity to perfectly fit your internal space and runtime target.
Custom Thickness / Width / Length
Curved, Square, Thin & Shaped Options
Capacity: 50mAh – 10000mAh+
PCM / BMS / NTC Options
JST / Molex / Custom Connector

STANDARD PRODUCTS

451220-80

3.7V 80mAh Lithium Polymer Battery

502030-250

3.7V 250mAh Lithium Polymer Battery

602030-300

3.7V 300mAh Lithium Polymer Battery

323540-450

3.7V 450mAh Lithium Polymer Battery

801645-600

3.7V 600mAh Lithium Polymer Battery

STANDARD PRODUCTS

603048-850

3.7V 850mAh Lithium Polymer Battery

604040-1000

3.7V 1000mAh Lithium Polymer Battery

103450-1800

3.7V 1800mAh Lithium Polymer Battery

104656-3000

3.7V 3000mAh Lithium Polymer Battery

7866126-10000

3.7V 10000mAh Lithium Polymer Battery

Send Your Requirements
Voltage, capacity, size, connector, application, etc.
Get Expert Recommendation
Our engineers provide the best battery solution.
Sample Development
Test and verify the battery performance.
Mass Production & Delivery
Reliable quality and on-time delivery for your projects.

Battery Customization Built Around Your Device

Every OEM device has different space, runtime, power output and safety requirements. ZERNE provides custom lithium battery solutions based on your product structure, application scenario and electrical requirements — from battery cell selection to pack design, protection system, connector integration, sampling and mass production.

CUSTOM SIZE & SHAPE

Thickness: 2.5–15mm
Width: 8–100mm
Length: 10–200mm
Shape: Thin, square, curved and custom-shaped battery


CAPACITY & VOLTAGE DESIGN
Capacity up to 10000mAh
Small to high capacity options
3.7V / 3.8V single-cell LiPo
7.4V / 11.1V / 14.8V / 22.2V battery pack
Series & parallel pack design
Custom voltage & capacity matching


PCM / BMS / NTC PROTECTION OPTIONS
PCM protection board
BMS integration
NTC temperature sensing
Overcharge protection
Over-discharge protection
Short-circuit protection
Temperature protection
CONNECTOR & WIRING
JST connector
Molex connector
Custom connector
Custom wire length
Custom polarity
Terminal design
Cable outlet direction
BATTERY CELL SELECTION
Rechargeable LiPo battery
18650 lithium battery cell
18650 battery pack

Lipo battery pack

High-voltage LiPo battery
Low-temperature battery option
High-temperature battery option
Application-matched cell selection

Have a battery project in mind?

Share your requirements and our engineers will provide the best solution for your device.
— WIDELY USED IN HIGH-PERFORMANCE DEVICES —

Battery Solutions for Smart, Portable and Safety -Critical Devices

From compact wearables to high-power portable equipment, ZERNE provides a custom lithium battery solutions that power your devices with reliability.
GPS
GPS Tracker Battery
Long standby time and stable performance in compact size.

Best for: LiPo Battery

手表
Wearable Device Battery
Thin, lightweight and safe power for wearables and smart devices.

Best for: LiPo Battery

7
IoT Device Battery
Reliable power for IoT devices, sensors and smart applications.

Best for: LiPo Battery

Portable ECG Monitor
Medical Device Battery
Safe, stable and long-lasting power for medical equipment.

LiPo Battery / 18650 Pack

手持工业设备1600x1000
Handheld Device Battery
High energy density for scanners, terminals and portable tools.

LiPo Battery / 18650 Pack

发热手套
Heated Product Battery
Supports high discharge and stable output for heated applications.

Best for: LiPo Battery

beauty device
Portable Equipment Battery
High capacity and long runtime for portable equipment and tools.

LiPo Battery / 18650 Pack

无人机21
Industrial Equipment Battery
Stable output and long runtime for industrial devices and equipment.

LiPo Battery / 18650 Pack

Not sure which battery fits your device?

Tell us your application and requirements, our engineers will recommend the best solution.

Why OEM Customers Work With ZERNE

From battery cell selection to custom pack design, ZERNE supports OEM customers with rechargeable lithium battery solutions built around real device requirements.

Long-Term Manufacturing Experience

ZERNE has focused on lithium battery R&D and manufacturing since 1998, supporting OEM customers with rechargeable battery design, production and project development.

ODM/OEM Project Support

We support custom battery projects with flexible MOQ, fast sampling, technical feedback and export experience for overseas customers.

R&D and Manufacturing Base

ZERNE integrates R&D, battery pack design and production capability, supported by a 30,000㎡ manufacturing base for lithium battery development and delivery.

Certified Quality System

ZERNE supports international battery projects with ISO9001, ISO14001, ISO45001 quality management, strict production control, shipment inspection, BSCI certification, and global compliance documentation.

FAQ

How do I choose between a 18650 battery pack and a rechargeable LiPo battery?

18650 packs are ideal for stable power and high-capacity devices. LiPo batteries suit compact or irregular-shaped devices. Unsure? Share your device details and we’ll recommend the best solution.

Can ZERNE customize batteries for my device?

What info is needed for a custom quote?

What is the lead time for custom projects?

Do you provide samples before mass production?

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Get a Custom Battery Quote

Not sure which battery fits your project? Send us your device space, runtime target and application. Our team will recommend a suitable battery solution.

Mob:+86-13724662111

E-mail:info@zn-battery.com

Contact Us

Let us find the right battery solution for you.

Guangdong Zhaoneng Technology co.,ltd.
We are a professional manufacturer of new energy lithium batteries integrating R&D, design, manufacturing and sales with 28 years experience.

CONTACT US

Telephone: +86-757-81289780
Phone: +86-13724662111
E-mail: info@zn-battery.com
WhatsApp: +8613724662111
Add: No.11, DouKou Ave., XiaJiao Vil., Danzao, Nanhai District, Foshan, Guangdong, China. 528216.
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