Technology & Quality_Zishine Energy | MagSafe Power Bank & TWS Earbuds OEM/ODM Manufacturer

Semi-Solid Battery Technology

We adopt advanced semi-solid battery solutions with optimized electrolyte formula, effectively improving energy density and lowering leakage risks. Our technology covers electrode material upgrading, internal cell structural optimization, low-temperature adaptability and stable high-rate discharge performance, delivering longer cycle life and higher safety compared with traditional liquid lithium batteries.

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Battery Safety Protection

Multi-layer safety protection architecture including internal cell isolation, efficient thermal dissipation design, intelligent BMS management and anti-abuse structure. Effectively prevent risks of overcharging, over-discharging, thermal runaway, extrusion and puncture. All products pass comprehensive safety tests to meet global consumer electronics safety requirements.

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Quality Control & Certification

Closed-loop quality inspection covering raw material incoming check, semi-finished testing, assembly monitoring and finished product verification. Our manufacturing system complies with ISO9001, ISO14001, ISO14500 standards. Products obtain CE, UL, IEC62133, KC, PSE, UN38.3, RoHS and other global certifications to support worldwide market access.

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QUALITY DATA

Quality Metrics That Speak

Full Inspection Before Delivery

Mass Production Yield

High-Precision Aging Test

0mV

Pack Voltage Difference ≤

Professional Testing & Verification Capability

Complete battery test platform covering electrical performance, environmental reliability & safety abuse testing

Electrical Performance Testing

Capacity grading, internal resistance, charge-discharge curves, cycle life and low-temperature discharge performance testing.

Environmental Reliability Testing

High/low temperature storage, thermal shock, humidity and vibration testing to verify stability under extreme environments.

Safety Abuse Testing

Nail penetration, extrusion, overcharge, short circuit and high-temperature baking testing for abuse-scenario safety.

EIS Impedance Analysis

Electrochemical impedance spectroscopy to screen abnormal internal structures and guarantee batch consistency.

Our Technology & Quality Strength

Supported by professional R&D teams, automated production bases and complete testing laboratories, Zishine inherits SUNHE's mature lithium battery technology. We continuously optimize semi-solid battery performance, upgrade systematic safety design and implement strict standardized quality management. We provide reliable portable power products and customized OEM/ODM solutions for global partners, ensuring stable performance, full certification support and long-term product competitiveness.