Lithium Battery Cells, Battery Packs & Chargers Supplier | Reliable Energy Solutions

About Shenzhen First Power Energy

A national high-tech enterprise with over 13 years of expertise in lithium-ion battery innovation and manufacturing.

Shenzhen First Power Energy Co., Ltd. was established in 2012 and specializes in the research, development, production, and sales of lithium-ion batteries. We operate our own manufacturing facility, Dongguan Yizhan Electronic Technology Co., Ltd., ensuring full control over quality and delivery.

Our products are widely used in electric bicycles, electric motorcycles, medical equipment, energy storage systems, electric forklifts, drones, and power tools. With over 150 employees and 15+ product patents, we deliver safe, reliable, and high-performance battery solutions trusted globally.

Learn more about our factory & certifications →

13+

Years Industry Experience

150+

Employees

15+

Product Patents

8000㎡

Factory Area

Why Choose First Power?

As a national high-tech enterprise, we combine advanced technology, rigorous testing, and full manufacturing control to deliver unmatched reliability.

Master Core Technologies

Full in-house control from cell selection to BMS firmware, housing design, and precision welding.

Advanced Equipment

Equipped with R&D labs, safety testing facilities, and state-of-the-art production lines.

Certified Safety

Products certified under UL2271, EN50604, CE, CB, GS, and RoHS standards.

Fast Time-to-Market

Integrated design and production process accelerates your product launch.

Custom Battery Solutions

Your product is unique. Your battery should be too.

Battery Pack Design

Custom configurations for voltage, capacity, size, and discharge rate. We design integrated power systems from the ground up.

BMS & Firmware

Tailored Battery Management Systems with smart protection, communication protocols, and diagnostics.

ODM/OEM Support

Full support for branding, packaging, and documentation. We help bring your vision to life.

Request Your Custom Solution

Our Products

High-quality lithium battery cells, packs, and smart chargers for diverse industrial and consumer applications.

36V 10Ah Down Tube Battery

✔ EN 50604 Certified
✔ Grade A Cells
✔ For E-Bikes

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48V 13Ah Seat Tube Battery

✔ UL2271 Certified
✔ High-Performance
✔ OEM/ODM Supported

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48V 20Ah Down Tube Battery

✔ UL2271 Certified
✔ Grade A Cells
✔ High Capacity

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48V 20Ah Inner Tube Battery

✔ UL2271 Certified
✔ OEM/ODM Ready
✔ Seamless Integration

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EVE 18650/21700 Cells

✔ High Energy Density
✔ Long Cycle Life
✔ For Custom Packs

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Samsung & LG Battery Cells

✔ Premium Grade A
✔ Stable Performance
✔ Global Trusted Brands

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48V 7.8Ah Inner Tube Battery

✔ UL2271 Certified
✔ Compact Design
✔ OEM Supported

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AGV & Robot Battery

✔ High Discharge Rate
✔ Long Runtime
✔ Industrial Grade

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48V 2A eBike Charger

✔ Smart Charging
✔ Full Safety Protection
✔ CE Certified

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54.6V 2A Smart Charger

✔ For 48V Systems
✔ Fast & Stable
✔ Overcharge Protection

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Universal eMotorcycle Charger

✔ 24V-84V Compatible
✔ CE Certified
✔ Multi-Voltage Output

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AGV Battery Charger

✔ UL/CE/GS/CB Certified
✔ 24V-52V Support
✔ Industrial Reliability

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View All Products

Key Features & Applications

Safety & Performance

6 Protections: Overcharge, over-discharge, overcurrent, short circuit, overtemperature, and cell balancing.
High Efficiency: Optimized energy conversion with low internal resistance.
Long Cycle Life: Up to 2000+ cycles with proper usage.
Thermal Stability: Designed for safe operation in wide temperature ranges.

Applications

E-Bikes & E-Scooters

Robotics & AGVs

Medical Devices

Energy Storage

Power Tools

Wheelchairs & Mobility

Electric Forklifts

Golf Carts

Get in Touch

Ready to power your product? Contact us for a free, no-obligation estimate.

Email: sales@szfirstpower.com
Phone: +86 13510702894

WeChat & WhatsApp available. Response within 24 hours.

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