Battery and Power Component Rules

← Back to E-Waste Classifications

Batteries significantly affect e-waste classification. Equipment containing batteries typically requires A1181 classification unless batteries are removed before export.

Battery Types and Classifications

LITHIUM-ION BATTERIES (A1181):

• Laptops, tablets, smartphones, power tools
• H1: Explosive - thermal runaway risk if damaged or short-circuited
• H3: Flammable liquids - organic electrolyte
• H6.1: Acute toxicity - lithium salts, cobalt, nickel
• H12: Ecotoxic - heavy metal content

LITHIUM BATTERY CAPACITY THRESHOLDS:

• Under 100Wh: Standard hazardous waste classification
• 100-300Wh: Special transport requirements, still A1181
• Over 300Wh: Restricted dangerous goods, additional permits may be required

LEAD-ACID BATTERIES (A1181):

• UPS systems, emergency lighting, automotive equipment
• H6.1: Acute toxicity - lead content
• H8: Corrosive - sulfuric acid electrolyte
• H11: Chronic toxicity - lead exposure
• H12: Ecotoxic - lead accumulation
• H13: Yields hazardous substances - lead leaching

NICKEL-CADMIUM BATTERIES (A1181):

• Power tools, emergency equipment, older portable electronics
• H6.1: Acute toxicity - cadmium is highly toxic
• H11: Chronic toxicity - cadmium bioaccumulation
• H12: Ecotoxic - cadmium persistence in environment

NICKEL-METAL HYDRIDE BATTERIES (Potentially Y49):

• Hybrid vehicles, some consumer electronics
• Lower toxicity than NiCad
• May qualify as Y49 if properly characterized
• Check import country requirements - some classify as A1181

ALKALINE BATTERIES (Varies by jurisdiction):

• Single-use AA, AAA, C, D, 9V batteries
• Modern alkaline batteries: Mercury-free since 1996
• Some countries accept as Y49, others require A1181
• Verify with import country competent authority

Battery Removal Requirements

WHEN BATTERIES MUST BE REMOVED:

• To classify equipment as Y49 instead of A1181
• When transport regulations prohibit batteries in cargo
• If import country requires battery-free equipment
• For safety during disassembly or processing

BATTERY REMOVAL CHALLENGES:

• Smartphones and tablets: Batteries glued or sealed inside
• Laptops: Some models require extensive disassembly
• UPS systems: Heavy lead-acid batteries integrated into design
• Medical equipment: Battery removal may void equipment value

ECONOMIC CONSIDERATIONS:

• Labor cost of battery removal versus classification benefit
• Equipment value reduction if disassembled
• Separate notification costs for batteries versus equipment
• Market demand for battery-free equipment versus intact units

Equipment with Batteries Attached

CLASSIFICATION RULE:If batteries remain in equipment, classify the entire assembly using the most hazardous battery type present.

EXAMPLES:

• Laptop with lithium battery attached: A1181 (H1, H3, H6.1, H12) for entire unit
• UPS with lead-acid battery: A1181 (H6.1, H8, H11, H12, H13) for entire system
• Power drill with NiCad battery: A1181 (H6.1, H11, H12) for complete tool

CANNOT SEGREGATE CLASSIFICATION:You cannot classify the laptop body as Y49 and battery as A1181 if they are shipped together as one unit. The entire unit takes the hazardous classification.

Battery-Free Equipment Classification

AFTER BATTERY REMOVAL:

• Evaluate remaining components for hazardous characteristics
• Circuit boards may still contain lead solder (A1181)
• Display panels may contain mercury backlights (A1181)
• Plastics may contain BFRs above threshold (A1181)
• Only classify as Y49 if ALL components are non-hazardous

DOCUMENTATION REQUIREMENTS:

• Statement that batteries have been removed
• Description of battery disposal method (separate notification, domestic recycling, etc.)
• Photographs showing battery compartments empty
• Quality control procedures to verify battery removal

Separate Battery Shipments

DEDICATED BATTERY NOTIFICATIONS:

• Consolidated battery shipments require separate notification
• Sort by battery chemistry (lithium, lead-acid, NiCad, etc.)
• Do not mix battery types in single notification
• Specialized facilities often required for battery processing

LITHIUM BATTERY TRANSPORT RESTRICTIONS:

• UN 3480 (lithium batteries alone) or UN 3481 (with equipment)
• Packaging must prevent short circuits
• State of charge restrictions (often 30% maximum for transport)
• Quantity limits per package and per shipment
• Carrier must be certified for dangerous goods

SeeIATA Dangerous Goods Regulationsfor current lithium battery transport requirements.

Built-in vs Removable Batteries

REMOVABLE BATTERIES (Easier to segregate):

• Older laptops with battery bay access
• Power tools with slide-out battery packs
• UPS systems with accessible battery compartments
• Mobile phones with removable back covers

BUILT-IN BATTERIES (Difficult to remove):

• Modern smartphones and tablets (glued assemblies)
• Ultrabook laptops (batteries adhered to case)
• Wearable devices (sealed construction)
• Medical devices (tamper-evident seals)

PRACTICAL APPROACH FOR BUILT-IN BATTERIES:

• Classify entire unit as A1181 rather than attempt removal
• Facility must be equipped to safely extract batteries
• Include battery extraction in recovery operation description
• Ensure facility permit covers battery-containing equipment

Battery Swelling and Damage

SWOLLEN LITHIUM BATTERIES:

• Increased explosion and fire risk
• May be prohibited by carriers even as hazardous waste
• Require specialized packaging and handling
• Some facilities refuse swollen batteries
• Check with carrier and facility before notification

DAMAGED BATTERIES:

• Physical damage, corrosion, or leakage
• Higher H-code ratings may apply
• Additional safety precautions during transport
• May require domestic disposal rather than export

Backup Power Systems

UPS (UNINTERRUPTIBLE POWER SUPPLY) SYSTEMS:

• Contain large lead-acid battery banks
• Battery weight often exceeds electronic components
• Classify entire system as A1181 unless batteries removed
• Removed batteries require separate lead-acid battery notification

EMERGENCY LIGHTING SYSTEMS:

• Small sealed lead-acid or NiCad batteries
• Often difficult to remove without destroying fixture
• Classify entire fixture as A1181 if batteries present

Button Cell and Coin Batteries

MERCURY BUTTON CELLS (BANNED):

• Banned in most countries since 1990s
• If present in older equipment: Classify as A1181
• Extremely high mercury concentration
• Specialized disposal required

LITHIUM COIN CELLS (Common in motherboards):

• BIOS batteries in computers and servers
• Small capacity, lower transport risk than large lithium batteries
• Still contribute to A1181 classification if present
• Can often be easily removed from motherboards

SILVER OXIDE AND ALKALINE COIN CELLS:

• Watches, calculators, small devices
• Lower hazard profile than lithium or mercury
• Classification depends on quantity and jurisdiction

Common Battery Classification Errors

• Classifying equipment with lithium batteries as Y49
• Not assigning H1 (explosive) for large lithium battery packs
• Assuming battery removal is always economically viable
• Not documenting battery removal procedures in notification
• Mixing battery chemistries in single shipment
• Not verifying transport restrictions for lithium batteries
• Overlooking coin cell batteries in motherboards and devices

When completingBlock 13: Physical CharacteristicsandBlock 16: Composition and Properties, clearly specify battery types present and whether removed or shipped with equipment.

References

• Basel Technical Guidelines on E-Waste
• Basel Annex I - Controlled Constituents
• IATA Dangerous Goods Regulations - Lithium Batteries

COP-17 update: Annex IV and e-waste guidelines

COP-17 was held from 28 April to 9 May 2025 and adopted 28 Basel Convention decisions. Operators should treat those decisions as the current reference point when preparing Basel Convention files for transboundary movements.

BC-17/15 adopted a replacement Annex IV. The update is scheduled to become effective on 1 January 2030, following depositary communication on 1 July 2029. Until national implementation is confirmed, use current domestic rules but plan workflows, contracts, and recovery/disposal references for the 2030 Annex IV replacement.

BC-17/4 adopted new technical guidelines on transboundary movements of e-waste and used electrical and electronic equipment (EEE). For e-waste and used EEE movements, reference these COP-17 guidelines when preparing classification, PIC, ESM, and supporting documentation.

Practical operator note: for 2025–2029 files, record which Basel decision basis is being used, confirm competent-authority expectations, and revisit Annex IV and e-waste assumptions before shipment approval or renewal.