On April 3, 2026, China officially released GB 47372—2026, a new mandatory national safety standard for power banks. Taking effect April 1, 2027, this regulation marks a major step forward in protecting consumers from fire, overheating, and long-term battery degradation risks.
Five Core Safety Upgrades
GB 47372—2026 doesn’t just raise the bar — it redefines it. Here are the five landmark upgrades that set this standard apart from anything that came before.
Enhanced Battery Abuse Testing
Beyond raising crush test pressure to 20kN, the standard adds a nail penetration test for the first time in a consumer product standard, directly simulating internal short circuits. Products must not catch fire or explode.
Post-Aging Lithium Plating Detection
Products must undergo lithium plating analysis after 300 charge-discharge cycles, helping prevent lithium dendrite growth from piercing the separator and eliminating a major root cause of spontaneous combustion in aged batteries.
Stricter Overcharge & Thermal Controls
Overcharge test voltage is raised by 30%. Products must also include a permanent lockout function so that once an abnormality such as overcharge or undervoltage is detected, the unit is disabled to prevent continued use in a compromised state.
Unique Product ID ("Battery Passport")
Every product must carry a unique identification code that lets consumers trace the battery brand and core specifications — ending “mystery box” purchasing and improving accountability across the supply chain.
Mandatory Safe-Use Lifespan Labeling
Products must clearly display a recommended safe-use lifespan, reminding users to replace aging power banks before degradation becomes a safety risk.
Supporting Safer, Smarter Infrastructure
China's Market Weight
China is the world’s largest producer and consumer of power banks. Standards set here ripple across global supply chains, OEM manufacturing, and voluntary safety benchmarks worldwide.
Who Is Affected?
- Brands exporting to or manufacturing in China
- OEM and ODM manufacturers
- Battery cell and BMS component suppliers
- Global markets likely to adopt similar benchmarks
What To Do Now
If you are a power bank brand, manufacturer, or component supplier, the 12-month window starts now. Act on these three priorities:
How PHD Energy Can Help You
As a leading authority in battery safety and compliance, PHD Energy is uniquely positioned to guide our valued customers through the complexities of various safety standards. Our comprehensive suite of services ensures your products meet the rigorous demands of all kids of regulations.
Battery & BMS Design Capability
PHD Energy’s in-house engineering team designs battery systems and battery management systems (BMS) from the ground up to meet and exceed safety standards like GB 47372—2026. We cover cell selection, circuit protection design, thermal management, and abuse-resistant architecture to build safety into every layer of the product.
Compliance Gap Analysis
We conduct thorough assessments of your existing product designs and testing protocols against a wide range of safety standards, identifying critical gaps and providing actionable recommendations for remediation.
Advanced Abuse & Aging Test Support
Our state-of-the-art laboratories are equipped to perform the enhanced high-temperature, overcharging, mechanical crushing, and long-term aging tests mandated by the new standard, ensuring your products can withstand extreme conditions and degradation over time.
Strategic Certification Roadmap Planning
Leverage our regulatory insights to develop a clear, efficient pathway to certification. We assist in aligning your product development, QA processes, and submission timelines to meet worldwide certification requirements like UN38.3, IEC62133, UL1642, UL2054 and more.
Let’s Build the Next Solution Together
If you’re working on a project that requires reliable, high-performance battery systems, we’d love to hear from you.
Get in touch with PHD Energy today to start your compliance journey and ensure your products remain competitive and safe in the global market.
