EPCOM

• Company Name: EPCOM
• Year Founded: 1980s
• Headquarters Location: Chihuahua, Mexico (and El Paso, TX)
• Main Markets: Mexico, USA
• Website: https://www.epcom.net

Company Introduction: EPCOM is a cross-border titan in industrial distribution. They supply specialized lithium battery systems and IoT power packs designed to support wireless networking and security infrastructure operating in harsh desert environments across Mexico and Texas.

Main Product Series: Industrial lithium packs, Off-grid telecom batteries, IoT power systems.

Q1: What is the IMMEX program, and how does it help Mexican battery procurement?

A: IMMEX allows foreign manufacturers in Mexico to import raw materials (like raw Li-po pouch cells from a global factory) tax- and duty-free, provided the finished assembled product is exported (usually to the USA) within a specific timeframe.

Q2: Do Li-po batteries assembled in Mexico need UL certification for the US market?

A: Yes. If the final electronic device is exported to the US, the battery pack must comply with North American safety standards, primarily UL 1642 (for the cell) and UL 2054 (for the pack). A premier direct factory will manufacture cells to meet these specific standards.

Q3: Why should a Mexican assembly plant bypass local battery distributors?

A: Local distributors add 30-50% markups. For high-volume series production, sourcing directly from an OEM/ODM factory like Hanery provides exactly the same high-quality cell but at true factory-direct pricing, lowering the total BOM cost.

Q4: Can a global factory engineer custom Smart BMS boards for Mexican EMS providers?

A: Absolutely. Agile direct factories possess dedicated electronic engineering teams that custom-design Battery Management Systems (BMS) with I2C or SMBus communication, tailored exactly to the logic requirements of the host device.

Q5: What is UN38.3, and why do Mexican ports enforce it?

A: UN38.3 is a strict international testing standard that proves a lithium battery can withstand altitude, vibration, and thermal shifts during transport. It is a legal mandate for sea freighting batteries into Mexican ports like Manzanillo.

Q6: What does DDP shipping mean for my Maquiladora in Guadalajara?

A: Delivered Duty Paid (DDP) means your global supplier handles all freight logistics across the Pacific, assumes shipping risks, and pays the Mexican import duties and customs fees, delivering the shipment directly to your factory door.

Q7: Can a global factory provide high C-rate batteries for Mexican drone assembly?

A: Yes. Shenzhen-based experts specialize in ultra-high-discharge (high C-rate) Li-po chemistries tailored for heavy-lift commercial UAVs, ensuring massive sudden power output without voltage sag.

Q8: How do top-tier direct factories prevent Li-po battery swelling?

A: Swelling occurs due to gas generation from heat or manufacturing contamination. Top factories prevent this by utilizing high-purity anode/cathode materials and executing cell lamination in strictly humidity-controlled cleanrooms.

Q9: What is the difference between a Mexican battery manufacturer and an EMS provider?

A: Very few companies actually manufacture raw Li-po cells in Mexico. Most local operations are EMS (Electronic Manufacturing Services) providers that import the cells from Asia and integrate them into the final electronic product on their assembly lines.

Q10: What is the current lead time for a custom B2B Li-po order shipped from Shenzhen to Mexico?

A: Factory OEM/ODM engineering and mass production currently take 3 to 5 weeks. Ocean freight from Shenzhen to Manzanillo or Ensenada takes approximately 20–25 days, allowing for highly predictable, cost-effective supply chain forecasting.