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HSChapter 85
U.S. imports of lead-acid starter batteries for piston engines (HS 850710) totaled $184.1M in July 2026, traded with 39 countries.
Importers of Lead-Acid Starter Batteries for Piston Engines paid $14.7M in duties in July 2026 — an effective duty rate of 16% on $91.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataDesigned specifically to deliver the high cranking current needed to start internal combustion engines, these lead-acid batteries are a foundational automotive aftermarket and OEM component. The US schedule breaks the heading by weight at the 12-volt level: batteries at or below 6 kg (8507100030) versus those above 6 kg (8507100060), with a residual line (8507100090) for non-12V configurations. Mexico is the dominant supplier, reflecting deep automotive supply-chain integration under USMCA, while South Korea and Germany supply premium and OEM-specification units. Batteries from Vietnam and Malaysia have grown as manufacturers diversify away from higher-tariff origins.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
5.4K shipments/mo
The 6 kg breakpoint (separating 8507100030 from 8507100060) generally distinguishes smaller motorcycle, powersport, and compact-vehicle batteries from full-size passenger-car and light-truck batteries. Accurate net weight of the battery as imported — excluding packaging — determines the correct line, and misclassification between these two subheadings is a common CBP audit finding.
Batteries originating in Mexico may qualify for preferential treatment under USMCA, provided they meet the applicable rules of origin — typically requiring sufficient regional value content and that the battery be manufactured in North America. Importers should obtain a valid USMCA certification of origin from the Mexican supplier to claim the preference at entry.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8507100060 | Batteries, Lead-Acid, Piston Engine, 12v, Gt 6 Kg | $154.6M | 8.03% | 49.56% | $12.4M |
| 8507100090 | Batteries, Lead-Acid, Piston Engine, NESOI | $19.2M | 3.83% | 27.34% | $737K |
| 8507100030 | Batteries, Lead-Acid, Piston Engine, 12v, Lt= 6 Kg | $10.3M | 14.87% | 92.42% | $1.5M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8507100060 | Batteries, Lead-Acid, Piston Engine, 12v, Gt 6 Kg | $41.8M |
| 8507100090 | Batteries, Lead-Acid, Piston Engine, NESOI | $13.6M |
| 8507100030 | Batteries, Lead-Acid, Piston Engine, 12v, Lt= 6 Kg | $2.8M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$184.1MYoY · Pro
Exports
$58.2MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Korea, South together supply 68% of it.
customs district
destination
entry
rate provision · imports
50.3% enters free of duty; the effective duty rate is 7.98%.