Quality Assurance & Compliance
Zero-Defect Philosophy backed by ISO Standards and Rigorous Testing
Battery Quality Management
A systematic approach from Raw Material to End-User
IQC - Incoming Quality Control
Rigorous inspection of cathode/anode materials, separators, and electrolytes using spectrometer analysis and moisture testing. Strict vendor qualification process.
IPQC - In-Process Quality Control
Automated vision systems monitor coating thickness, electrode alignment, and tab welding. Statistical Process Control is used to maintain process capability.
FQC - Final Quality Control
100% inspection of Open Circuit Voltage, Internal Resistance, and Dimensions. Battery protection board (PCM) functionality verification.
OQC - Outgoing Quality Control
AQL(Acceptable Quality Level) sampling based on ISO 2859 standards. Pre-shipment verification of packaging, labeling, and regulatory compliance documentation.
Cell Consistency Guarantee
Ensuring Pack Reliability through Tight Tolerance Grading
Capacity Grading
Automated grading machines sort cells into narrow capacity bins (±1%).Impedance Matching
Internal resistance matching ensures uniform current distribution in parallel blocks.Voltage Uniformity
Precision voltage matching prevents cell imbalance and extends cycle life.Aging Test Process
Comprehensive aging and formation procedures
Formation
Initial charge/discharge cycles to form SEI layer and stabilize capacityCapacity Screening
Full capacity test to identify and remove out-of-spec cellsOpen Circuit Voltage
Voltage monitoring to ensure stability and detect self-dischargeInternal Resistance
AC impedance testing for quality verificationSafety Testing
Comprehensive safety tests ensuring product reliability
Short Circuit Test
External short circuit test at maximum charge state. No fire, no explosion.Overcharge Test
Charging to 150% of rated capacity. Protection circuit activation verified.Drop Test
Free fall from 1.5m height. No leakage, no damage to structure.Crush Test
Mechanical crush test. No fire, no explosion under specified conditions.Thermal Test
High and low temperature cycling. Performance maintained within specifications.Vibration Test
Mechanical vibration testing. No structural damage or performance degradation.System Certifications
Comprehensive global certification system for battery products
Management System Certifications
ISO 9001
Quality Management System
ISO 14001
Environmental Management System
ISO 45001
Occupational Health & Safety
QC080000
Hazardous Substance Process Management
Battery Safety Standards
IEC 62133
Portable Battery Safety Standard
UL 1642
Lithium Battery Safety (USA)
UL 2054
Household Battery Safety (USA)
GB 31241
Portable Battery Safety (China)
Transportation & Compliance
UN38.3
Lithium Battery Transport Safety
IATA DGR
Air Transport Compliance
IMDG Code
Maritime Transport Compliance
RoHS
Restriction of Hazardous Substances
REACH
EU Chemical Regulation
WEEE
Waste Electrical Equipment Directive
Regional Market Certifications
CE Marking
European Conformity
FCC
Federal Communications Commission (USA)
PSE
Product Safety Electrical (Japan)
KC Mark
Korea Certification
BIS
Bureau of Indian Standards
CCC
China Compulsory Certification
BSMI
Taiwan Standards & Inspection
ANATEL
Brazil Telecommunications Agency