Top Trusted E-Cig Battery Packs Factory & Exporter

Engineering Premium, High-Safety Lithium-Ion Battery Packs & Custom Energy Solutions for Global Vaping Brands

Shenzhen Esaturn Vape Co., Ltd.

Shenzhen Esaturn Vape Co., Ltd. is a professional manufacturer and exporter specializing in the design, research, development, production, and sales of electronic cigarettes and vaping products. With years of industry experience, we are committed to providing high-quality vaping solutions for customers worldwide through innovative technology, reliable quality, and professional service.

As a modern manufacturing enterprise deeply integrated with our production facilities, we offer a comprehensive range of products, including disposable vape devices, rechargeable pod systems, vape cartridges, vape accessories, and customized OEM & ODM solutions. We continuously develop new products to meet the changing demands of the global vaping market while maintaining the highest standards of quality and performance.

By centering our developmental matrix around Li-ion battery chemistry optimization, Battery Management System (BMS) stability, and strict thermal safety safeguards, we have consolidated our standing as the premier supplier of integrated e-cigarette battery packs.

6,000+
Square Meters
State-of-the-art facility featuring dust-free production workshops.
1,000+
Skilled Workers
Expert technicians and automated assembly line operators.
100,000
Pcs / Daily Capacity
High production throughput to meet large-volume and urgent orders.

Technical Roadmap of Premium E-Cig Battery Packs

Vaping devices demand high safety margins, long life cycles, and reliable power discharge rates. Here is the technical roadmap underpinning our industry-leading battery packs.

Pure Cobalt Chemistry

We utilize grade-A Lithium Cobalt Oxide (LiCoO2) pure cobalt cells. Unlike ternary alternatives, pure cobalt delivers a flat discharge curve, ensuring constant voltage and consistent vapor output.

BMS Safety Matrix

Our proprietary Battery Management Systems protect against short circuits, overcharging (cutoff at 4.25V), over-discharging (cutoff at 2.4V), and thermal runaway via built-in NTC thermistors.

Smart Charging Protocols

Compatible with mainstream Type-C fast charging. The integration of buck-boost converter chips balances charge current, reducing heat generation by up to 35% during cycles.

SEO Insight: The evolution of the global e-cigarette market has shifted consumer demands from basic disposables to intelligent, high-capacity pod systems. These systems feature smart LED screens and dual-coil designs that draw higher currents. To sustain this, the battery pack requires matched internal resistance (IR mismatch < 5mΩ) and precise high-rate discharge capacity. At Shenzhen Esaturn Vape Co., Ltd., we execute 100% cell matching before packing.

Battery Pack Class Cell Chemistries Nominal Capacities Discharge Rate (C-Rating) Typical Applications
Ultra-Compact Disposable Packs LiCoO2 (Pure Cobalt) 280mAh - 650mAh 15C - 20C High Drain Slim vape pens, TPD-compliant pods
Rechargeable Smart Pod Packs LiCoO2 / NMC Hybrid 650mAh - 1000mAh 10C - 15C Constant Puff-display kits, mesh coil pods
High-Drain Mod Packs LiNiMnCoO2 (NMC 18650/21700) 2500mAh - 4000mAh 20C - 35C Continuous Sub-ohm cloud-chasing box mods

Precision Factory Workstages & Testing Gallery

Step inside the production lines of Shenzhen Esaturn Vape Co., Ltd., where advanced machinery and strict quality control operations ensure zero-defect output.

Battery Pack Raw Materials Incoming Quality Control

Raw Materials

Vape Battery Pack Manual & Semi-Automated Assembly

Assembly

Cell Capacity and Discharge Testing Phase

Testing

Vape Battery Packing & Anti-Static Sealing

Packing

Integrated BMS Assembling & Soldering

Assembling Stage II

Automated High-Load Testing & Safety Checks

Testing Stage II

High-Definition Brand Printing & Silk Screening

Print Machine

Ultrasonic Welding for Casing Integrity

Ultrasonic Welding Machine

Hot Melt Welding Machine for Leak-proof Seals

Hot Melt Welding Machine

China's Supply Chain Resilience & Cost-Efficiency

Shenzhen is the undisputed epicentre of the global electronic cigarette industry, accounting for over 90% of global vape device manufacturing. Shenzhen Esaturn Vape Co., Ltd. leverages this localization to guarantee unmatched agility, cost efficiency, and materials sourcing speed.

Our facility’s proximity to premium cobalt processors, custom circuit board designers (PCB manufacturers), and plastic-injection moulding houses lets us compress product development lead times from months down to a matter of weeks.

Additionally, our automated equipment, including ultrasonic welding and hot-melt bonding, minimizes manual handling errors, keeping product defect rates below 0.05%. For global vape distributors, this supply chain control means competitive wholesale pricing, consistent production speed, and rapid delivery schedules.

Why Global Vape Brands Choose Esaturn:

  • Traceable Material Sourcing: Every batch of lithium cells comes with a matching MSDS sheet and traceable lot number to verify origin.
  • Class 10,000 Cleanroom: Assembly occurs within clean, anti-static environments to prevent contamination.
  • Automated Spot Welding: Precision computer-controlled nickel-strip welding yields optimal resistance and eliminates joint micro-fractures.
  • 100% Thermal Burn-in: Pre-shipment burn-in cycles isolate weak cells before they leave the factory floor.

Localized Application Scenarios & Regional Compliance

Vaporizer regulations and usage habits vary wildly by region. We tailor our battery design and certification pathways to fit localized requirements.

Europe (TPD-Compliant)

Designed for maximum charge cycles and recycling compliance, matching WEEE and Battery Directive (2006/66/EC) frameworks. Integrated with child-safe features and short-circuit lockouts for TPD compliance.

North America (PMTA)

High-capacity cells (650mAh to 1000mAh) designed for dual-mesh coils and smart LCD/LED displays. Verified against UL 1642 and UL 2054 testing criteria to streamline PMTA submissions.

Cold-Climate Regions

Special low-temperature electrolyte formulations designed for markets like Northern Europe and Canada, maintaining stable discharge rates down to -10°C.

High-Temperature Tech

Engineered with high-limit PTC thermal cutoffs and fire-retardant PC/ABS plastic enclosures for safety in the Middle East and tropical regions.

UN38.3 Certified CE & RoHS Compliant UL 1642 Tested MSDS & PI967 Logistics Compliant

Frequently Asked Questions

Here, we answer key technical queries regarding e-cigarette battery safety, manufacturing standards, and importing protocols.

Q1: What are the differences between Lithium Cobalt Oxide (LiCoO2) and ternary cells in vaping products?
Lithium Cobalt Oxide (LiCoO2) chemistry delivers a flat discharge curve, ensuring constant voltage and consistent vapor output. This stability is critical for keeping flavor and vapor profiles identical from the first puff to the last. Ternary cells (NMC) are more cost-effective but suffer from a sharper voltage drop (sag), which degrades flavor output as the battery drains.
Q2: How does Esaturn guarantee safety and prevent thermal runaway in vape battery packs?
Safety is built-in at every stage. We integrate a dedicated Battery Management System (BMS) directly onto each pack's board. The BMS regulates the charge/discharge limits and halts energy transfer if the system exceeds safe values. Furthermore, we use NTC thermistors to detect thermal shifts and utilize flame-retardant structural casings with built-in pressure release vents.
Q3: What certifications are required for importing e-cigarette battery packs internationally?
For maritime and air transport, the UN38.3 test report is mandatory, alongside a Material Safety Data Sheet (MSDS). For retail compliance, European markets require CE-EMC, RoHS, and WEEE registration. The US market relies heavily on UL 1642 safety standard compliance, which is vital during PMTA submissions.
Q4: Do you offer OEM/ODM services for custom shapes and sizes of vape battery packs?
Yes. We offer fully customizable OEM/ODM layouts. Our engineering team can configure custom dimensions, capacities, output profiles, and PCB integrations to fit your device's chassis. We handle everything from the initial design step to prototype testing and full-scale factory run.
Q5: What logistics methods are used to ship lithium batteries globally?
Lithium-ion batteries are classified as Class 9 Dangerous Goods. We ship strictly in line with IATA (PI967/PI966) and IMDG code standards. We work closely with dangerous goods freight forwarders, utilizing certified packing materials and providing all necessary documentation for customs clearance.