SEE GMCELL Batteries

High-Performance Custom Battery Pack Solutions

We work closely with your engineering team to design battery packs precisely matched to your voltage, capacity, discharge, and usage requirements.

GMCELL BATTERY

We’ve been in the battery industry since 1998, with over 25 years of hands-on experience, a 28,500 m² ISO9001-certified factory, and a strong R&D team of 35 engineers supporting our work.

 

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ELECTRICAL SPECIFICATIONS

including voltage, capacity, discharge rates, and operating profile. Whether your application needs a compact power module or a high-capacity energy system, we can design the optimal configuration.

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CERTIFICATIONS

Our products are fully compliant with CE, RoHS, REACH, UN38.3, and MSDS. We simplify your import process by providing all necessary safety documentation.

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Custom Battery Packs

We proudly support leading global companies with engineering design, prototyping, in-house testing, certification, and mass production. Our team provides technical guidance to ensure your specifications are fully achieved.

A. Lithium-ion (Li-ion) & Li-Polymer Packs
Custom Battery Pack with Rechargeable Battery

  • Li-ion Cylindrical
  • Li-ion Coin
  • Li-ion Coin

B. Custom LiFePO4 Battery Pack Solutions

  • OEM Embedded Battery Packs
  • Lithium Iron Phosphate Battery Cylindrical

C. Ni-MH High-Temperature Packs
Reliable power for emergency lighting and industrial backup systems where heat resistance is critical.

Looking for a custom battery solution? Contact GMCELL today and get a fast quote for your project.

Custom Battery Pack Solutions

GMCELL Battery is ISO 9001 certified and ITAR registered, with years of hands-on experience in battery manufacturing.

Need a custom battery pack? Lithium batteries? Rechargeable battery assemblies? We’ve got you covered. Talk to us about your project and get a quote today — we’ll help you find the right portable power solution.

CUSTOM BATTERY ENQUIRY

Why Choose GMCELL Custom Battery Packs?

1. Fully Tailored to Your Requirements
Every GMCELL custom battery pack is made to fit your exact needs — from voltage and capacity to size, chemistry, connectors, and safety features. Our team of experts works closely with you every step of the way, from brainstorming and prototypes to testing, certification, and full-scale production.

2. With More Than 25 Years’ Experience
We specialize in both primary and rechargeable battery chemistries, including Alkaline, Lithium-Thionyl Chloride, Lithium Manganese Dioxide, NiMH, Li-ion, Lithium Iron Phosphate, Lithium Polymer, and Lead Acid.

3. Precision Battery Management Systems (BMS)
We integrate intelligent Battery Management Systems to protect against overcharge, over-discharge, short circuits, temperature extremes, and imbalance. Customized BMS options can include communication protocols like SMBus, RS485, or CANBUS for advanced monitoring and control.

4. Rigorous Testing & Global Safety Certifications
All GMCELL custom battery packs undergo comprehensive in-house testing and safety validation, including UN38.3 transport compliance, UL, IEC, and other relevant global standards — ensuring product safety, reliability, and peace of mind for OEM partners.

5. OEM / ODM Support & Branding Options
As part of our OEM/ODM services, GMCELL offers private labeling, custom packaging, and tailored discharge performance. With decades of experience in battery design and manufacturing, we’re ready to support your brand’s unique requirements from small runs to large volumes

Gmcell
STEP 1
DESIGN & ENGINEERING
 
Define specs and select optimal chemistry and structure.
STEP 2
PROTOTYPE & VALIDATION
 
Build and test samples to validate performance.
STEP 3
CERTIFICATION & PRODUCTION
 
Certify, then scale to full mass production.