From lockers to industrial equipment: a full-scenario solution for battery-free locks
- Jun 11
- 5 min read
In the field of smart locks, “battery anxiety” has always been a pain point for users -- traditional electronic locks need to replace batteries regularly, industrial equipment locks are prone to battery failure in harsh environments, and locker locks can't even be opened when there is no power. Battery-free locks, with reverse power supply technology and full-scene adaptability, are setting off a “de-battery” revolution from home to industry, redefining the balance between device safety and convenience.
The battery dilemma of traditional locks: why do we need a battery-free solution?
1. High-frequency pain points in daily use
· locker scenarios: gym locks cause battery rust due to humidity, and the annual replacement rate reaches 60%; household closet locks forget to change the battery, and can only be violently dismantled (data from an e-commerce platform shows that battery problems account for 45% of the after-sale complaints about smart locks).
· industrial scenarios: outdoor switchboard locker battery life plummeted 70% in -20℃ low temperature, a wind power project has been due to battery failure led to equipment downtime for 2 hours, the loss of more than 500,000 yuan.
2. Environmental protection and maintenance cost pressure
· environmental pollution: the world's annual waste of lock batteries more than 200 million, only 15% of the effective recycling.
· Operation and maintenance burden: industrial equipment needs to stop for 30 minutes for each battery replacement, and the annual maintenance cost of a single piece of equipment exceeds 800 yuan (including labor + materials).
The battery-free lock core technology: reverse power supply how to subvert the traditional?

1. NFC reverse power supply principle
· cell phone / key as energy source: Through NFC near field communication technology, when the cell phone or special electronic key is close to the lock, it will convert electromagnetic energy into instantaneous current (5V/100mA) to drive the lock cylinder to complete the unlocking, without the need of built-in battery.
· zero energy loss: a single unlock consumes only 0.1% of the phone's power, and the iPhone 15 can support more than 2,000 unlocks (lab data).
2. Full Scene Adaptation Design
· installation compatibility.
· locker: retain the traditional cam lock 1:1 installation size (hole distance / thickness exactly match), 5 minutes to replace the old lock, wood cabinet / metal cabinet universal.
· industrial equipment: support 35mm standard rail mounting, suitable for power distribution boxes, control cabinets and other industrial profiles, no need to modify the cabinet structure.
· Environmental adaptability.
Protection level up to IP67 (dustproof and waterproof), stable work in 50 ℃ high temperature, 95% humidity environment, coastal salt spray environment life of more than 5 years.
Full-scene solutions: value breakthroughs from home to industry
1. Civilian scenarios: Convenience and security are both upgraded
▶ Locker / Wardrobe / Shoe Cabinet
· Core Advantages.
· One-touch unlocking by cell phone: say goodbye to key forgetting, support multi-user rights management (e.g. set temporary password for shared lockers).
· double insurance design: retain the mechanical emergency keyhole to avoid the inability to open the box when the cell phone is out of battery (the actual test cell phone can still be unlocked by NFC emergency when the cell phone is turned off).
· Case: After the introduction of battery-free locks in a chain gym, the number of complaints from members due to battery problems dropped by 90%, and a single store saved 12,000 yuan in annual battery replacement costs.
▶ Office File Cabinet / Archive Cabinet
· Intelligent Management: Record the unlocking time and operator through the supporting APP, and the important file cabinets support the function of “unlocking and taking photos to leave traces” to meet the needs of corporate compliance audits.
· Appearance Adaptation: Provide matte black, champagne gold and other colors to unify with the style of modern office furniture, and the thickness of the lock body is only 15mm, adapting to ultra-thin cabinets.
2. Industrial scenarios: reliable guards in extreme environments
▶ Outdoor power distribution cabinet / control box
· technology breakthrough.
· is resistant to - 40℃~+85℃ wide temperature operation and passes IEC 60068-2-1 low/high temperature test, solving the failure problem of traditional electronic locks in cold storage, substation and other scenarios.
· anti-electromagnetic interference design (compliant with EN 50121-4 railroad EMC standard), stable work without interruption next to high-voltage power transmission equipment.
· real-world data: after replacing the battery-free lock in a photovoltaic power station, the efficiency of equipment inspection is increased by 30% (no need to check the battery status), and there are zero battery-related failures in 3 years.
▶ Industrial Control Cabinets / Robotic Arm Protective Cabinets
· Maintenance-free advantages.
The battery-free design of · eliminates the risk of electrolyte leakage and is suitable for food processing, pharmaceutical manufacturing and other scenarios that require high cleanliness.
The lock body of · is made of 304 stainless steel, which is 5 times more corrosion-resistant than ordinary steel locks, meeting the harsh environmental requirements of the chemical industry.
Selection Guide: How to Match Your Scenario Needs?
1. Comparison table of core parameters
Application Scenarios | Core Requirements | Recommended Models | Key technical indicators |
Home Locker | Convenience + Value | Standard NFC lock | Adaptable to 10-20mm boards, APP rights management |
Industrial lockers | Weatherproof + anti-interference | Industrial Reinforced | IP67 protection, -40℃~+85℃ working temperature |
Office Filing Cabinet | Compliance + Intelligence | Audit Trail |
Application Scenario Core Requirements Recommended Models Key Specifications
Household locker Convenient + good looks Standard NFC lock Adaptable to 10-20mm board, APP rights management.
Industrial Power Distribution Cabinet Weather-resistant + anti-interference Industrial Enhanced IP67 protection, -40℃~+85℃ working temperature.
Office Filing Cabinet Compliance + Intelligent Audit Trail Locker 3000 unlocking records, photo tracing.
2. Installation and adaptation recommendations
· Civilian scenarios.
· Wooden cabinet installation: use matching plastic expansion screws to avoid damaging the cabinet structure.
· Metal cabinet installation: directly replace the original cam lock, screw holes do not need to be adjusted (support 60mm/70mm standard hole spacing).
· Industrial scenarios.
· Outdoor equipment: with waterproof and dustproof cover (optional accessory), the lock body gap filled with silicone sealing ring.
· High-voltage environment: choose the anti-electromagnetic shielding model to ensure stable work in substations above 10kV.
From “functional” to “durable”: redefining the lock value system
The measured data of an automobile manufacturing plant shows that after the introduction of battery-free locks.
· Maintenance cost decreased by 75%: 300 industrial equipments save 225,000 yuan of battery replacement cost annually.
· Zero risk of downtime: completely eliminate equipment failures due to battery problems, and increase the continuous running time of the production line by 15%.
· Significant environmental benefits: reduce waste batteries by 2,400 per year, equivalent to the carbon sink of planting 120 fir trees.
Driven by the “dual carbon” goal and intelligent upgrading, the battery-free lock is evolving from a “convenient accessory” for lockers to a “core safety component” for industrial equipment. Its value not only lies in the elimination of battery pain points, but also through technological innovation to realize the boundless adaptation of the scene - whether it is easy to open the box at home, or the harsh protection of the industry, the battery-free locks are rewriting the definition of equipment safety with “de-batteryization”.
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