Effective Duty Rate
0% USMCA; IRA FEOC rules do not restrict USMCA-origin batteries
Estimate — verify by HTS code
Compliance Risk
Low
Relative to other import corridors
Regulatory Agencies
DOT, EPA, CPSC, UL/NRTL
Primary oversight bodies
OVERVIEW
Importing Batteries, Accumulators & Energy Storage from Mexico
Batteries imported from Mexico to the United States is subject to CBP entry requirements, applicable HTS-based duty rates, and agency compliance clearances. This guide covers the complete import process for 2026.
⚠ Key Trade Intelligence — Mexico Origin
Mexico is a prime location for battery manufacturing to serve the US EV market. USMCA provides zero-duty access. Multiple battery gigafactories announced in Mexico. IRA requirements incentivize North American battery production.
APPLICABLE HTS CODES
HTS Codes for Batteries Imports
The following Harmonized Tariff Schedule (HTS) codes typically apply to batteries imports. Exact classification depends on the specific product — misclassification is one of the most common CBP compliance errors.
| HTS Code |
Product Description |
MFN Base Duty Rate |
| 8507.60 |
Lithium-Ion Batteries & Battery Packs |
3.4% MFN |
| 8507.50 |
Nickel-Metal Hydride Batteries |
2.7% MFN |
| 8507.80 |
Other Electric Accumulators (solid-state, flow batteries) |
3.4% MFN |
| 8506 |
Primary Cells & Batteries (non-rechargeable: alkaline, lithium) |
2.7%–3.4% MFN |
| 8507.10 |
Lead-Acid Accumulators (automotive, industrial) |
3.5% MFN |
MFN rates reflect base tariff. Additional duties (Section 301, Section 232, AD/CVD) may apply on top of MFN rates. Use the AI classifier to get the exact 10-digit HTS code and all applicable rates for your specific product.
DUTY STACK — MEXICO ORIGIN
Total Tariff Cost for Mexico-Origin Batteries
| Duty Layer |
Rate / Status |
Applies To |
| MFN Base Rate |
Varies by HTS code |
All Mexico-origin goods (baseline) |
| USMCA Preferential Rate |
Reduced / 0% (qualifying goods) |
Goods meeting USMCA rules of origin |
| Section 301 |
Not applicable |
Mexico-origin goods are not subject to Section 301 |
| Section 232 |
Exempt under USMCA |
Steel and aluminum imports from Mexico |
COMPLIANCE — DOT / EPA / CPSC / UL/NRTL
US Compliance Requirements for Batteries Imports
Regardless of origin country, batteries imports must satisfy the following US regulatory requirements before or at the time of CBP entry filing:
- DOT hazardous materials regulations (49 CFR 173.185) — lithium batteries classified as Class 9 hazmat; UN 38.3 testing certification mandatory
- UL 2054 (household batteries) or UL 2580 (EV batteries) safety certification required by most US retailers and OEMs
- EPA Mercury-Containing and Rechargeable Battery Management Act compliance — labeling requirements for rechargeable batteries
- CPSC recall authority for consumer batteries posing fire/explosion risk — robust quality control documentation increasingly expected
Compliance Check Tool
Run an automated compliance check for your batteries import — identifies all applicable agency requirements, flagging issues before your shipment departs Mexico.
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REQUIRED DOCUMENTS
Documentation Checklist for Batteries from Mexico
Prepare all documents before the shipment departs Mexico. Missing or incorrect documents are the #1 cause of CBP holds and customs delays.
1
Commercial Invoice with battery chemistry, capacity (Wh), and cell configuration
2
Packing List with DOT hazmat shipping classification
3
Bill of Lading or Airway Bill with DG (Dangerous Goods) declaration
4
UN 38.3 Test Summary (mandatory for all lithium battery shipments)
5
UL or NRTL safety certification documentation
6
Country of Origin Declaration
ESTIMATED TIMELINE
Import Timeline — Batteries from Mexico
25–45 days (ocean; DG surcharges and routing restrictions); 3–7 days (air with DG acceptance)
Supplier Preparation
Allow 1–2 weeks for production documentation, certificates, and packing lists
Transit Time
3–7 days truck freight from border
CBP Clearance
1–3 days standard; 5–15 days if examination or AD/CVD review required
FREQUENTLY ASKED QUESTIONS
FAQs — Importing Batteries from Mexico
What is the effective US tariff rate for importing batteries from Mexico?
The effective US tariff rate for batteries from Mexico is: 0% USMCA; IRA FEOC rules do not restrict USMCA-origin batteries. Mexico is a prime location for battery manufacturing to serve the US EV market. USMCA provides zero-duty access. Multiple battery gigafactories announced in Mexico. IRA requirements incentivize North American battery production.
What compliance agencies regulate batteries imports from Mexico?
Batteries imports require compliance with: DOT, EPA, CPSC, UL/NRTL. Specific requirements include: DOT hazardous materials regulations (49 CFR 173.185) — lithium batteries classified as Class 9 hazmat; UN 38.3 testing certification mandatory and UL 2054 (household batteries) or UL 2580 (EV batteries) safety certification required by most US retailers and OEMs.
What documents are required to import batteries from Mexico?
Required documents include: Commercial Invoice with battery chemistry, capacity (Wh), and cell configuration; Packing List with DOT hazmat shipping classification; Bill of Lading or Airway Bill with DG (Dangerous Goods) declaration; UN 38.3 Test Summary (mandatory for all lithium battery shipments). Additional: UL or NRTL safety certification documentation; Country of Origin Declaration. Ensure all documents are prepared before the shipment departs Mexico.
How long does customs clearance take for batteries from Mexico?
Typical timeline: 25–45 days (ocean; DG surcharges and routing restrictions); 3–7 days (air with DG acceptance). CBP clearance typically takes 1–3 business days for compliant entries. Complex entries (AD/CVD, formal entry review, or examination) may require 5–15 additional business days.
Are there Section 301 or Section 232 tariffs on batteries from Mexico?
No Section 301 or Section 232 surcharges apply to Mexico-origin batteries. Only base MFN rates (or FTA preferential rates where applicable) apply.
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RELATED IMPORT GUIDES
Also Importing Batteries From Other Countries?
Other Products from Mexico?
Import duty rates are sourced from the USITC Harmonized Tariff Schedule and USTR Section 301 lists. Rates reflect current published schedules as of 2026-04-06 and are subject to change. This page is for informational purposes only and does not constitute legal or customs brokerage advice. Verify rates with a licensed customs broker before importing.