When gas alarms are upgraded to meet the **new national standard**, how do supercapacitors deliver the "alarm-on-power-failure" function reliably?

New National Standards: "Uninterrupted Protection During Power Outages" Becomes a Mandatory Requirement for Alarm Devices

Since 2025, mandatory national standards—such as those for residential and commercial/industrial combustible gas detectors (GB 15322.1—2026 and GB 15322.2—2026, effective August 1, 2027) and combustible gas alarm controllers (GB 16808—2025, effective August 1, 2026)—have been successively implemented. Concurrently, combustible gas detection and alarm products have been brought under the scope of CCC mandatory fire safety certification; the production, sale, and installation of equipment lacking valid certification are strictly prohibited. This dual framework of standards and certification has transformed "reliable alarming" into a mandatory threshold.

Regarding product technical specifications, this round of upgrades centers on two main priorities:

First, "accurate alarming": The time limit for detectors to trigger an alarm is set between 15 and 60 seconds, and devices must withstand environmental stressors such as thermal cycling, damp heat, and oil fume interference.

Second, "reliable power supply": Alarm controllers now face new requirements for backup power and battery systems. The use of batteries with high spontaneous combustion risks—such as ternary lithium and lithium cobalt oxide—is completely banned, while real-time battery status monitoring and timely alerts for anomalies are mandated.

The "reliable power supply" aspect represents a specific weakness in traditional solutions. The specific pain points and the corresponding supercapacitor-based solutions are outlined below:

New National Standard & Design Requirements	Battery Solution Limitations	Supercapacitor Solution	OEM Benefits
Backup power must be reliable and low-maintenance	Batteries degrade under long-term float charge and require periodic replacement	Long cycle life; no rapid depreciation under long-term float charge	Fewer part replacements and fewer returns/repairs
Stable performance under low/high-temperature environments	Batteries lose capacity noticeably at low temperatures	Wide temperature range −40 ~ +70 °C; minimal low-temperature capacity and internal-resistance degradation	Reliable alarm even in outdoor / unheated environments
Ternary lithium / lithium-cobalt-oxide banned; safety requirements raised	Ternary / LCO batteries carry high fire-and-explosion risk and heavy compliance pressure	Paired with safe batteries to handle peak power and buffering	Lower compliance risk; helps pass CCC / fire-safety acceptance
Large instantaneous current during alarm events	Batteries alone cannot cope; large transient voltage drop may fail to drive the load	Low internal resistance; high-current discharge	Buzzer, communication module, and camera start without voltage sag
Must still alarm after mains power loss	Battery state is uncontrollable; the post-power-loss alarm window is hard to guarantee	Provides buffered backup power after power loss	Secures the "alarm works even after power loss" requirement
Limited space, yet long standby required	Relying solely on ordinary EDLCs for long standby yields low energy density and constrained volume	EDLC / hybrid / modules matched to the scenario, forming a "battery handles standby, capacitor handles peaks" arrangement with the battery	Balances runtime and instantaneous power within a compact volume