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Views: 0 Author: Site Editor Publish Time: 2026-07-10 Origin: Site
The CR1220 lithium manganese coin cell is a mainstream ultra-thin 3V primary battery widely adopted in consumer electronics, automotive modules, portable medical devices, and industrial low-power IoT equipment. For bulk purchasers, electronics manufacturers, and export traders, merely understanding basic battery performance is insufficient. In industrial batch applications, original factory standard specifications, customized solder-tab solutions, and complete export certification compliance are the three core factors that determine product compatibility, production efficiency, and smooth customs clearance. This article provides a systematic professional explanation of CR1220 original technical standards, common solder tab customization types, and full-set export certification requirements, serving as a reliable technical reference for industrial procurement and overseas shipment.
All formal factory-produced CR1220 batteries strictly follow IEC 60086 international primary battery standards and unified industrial technical parameters. Original-spec batteries guarantee consistent size, electrical performance, and environmental adaptability, ensuring interchangeability and stability for mass production equipment.
The original factory fixed size is 12.0 mm in diameter and 2.0 mm in thickness. The ultra-thin and compact profile is precisely calibrated for slim built-in modules and miniaturized precision equipment. Original products feature accurate dimensional tolerance, no deformation, and flat and smooth shell surface, ensuring perfect fitting with standard battery holders and PCB assembly structures.
Nominal Voltage: 3.0V
Cut-off Voltage: 2.0V
Typical Capacity: 40mAh (tested at 23°C, 0.1mA constant current discharge)
Standard Working Current: 0.01mA–0.5mA
Max Pulse Discharge Current: 10mA
Annual Self-Discharge Rate: ≤1%
Maximum Shelf Life: 10 years under standard sealed storage
Original CR1220 batteries support a wide operating temperature range of -20°C to +60°C, adapting to indoor civilian, outdoor industrial, and vehicle interior temperature environments. The fully sealed stainless steel casing adopts laser crimping technology, with excellent leakage resistance and aging resistance, meeting the long-term built-in working requirements of industrial equipment.
Standard bare CR1220 batteries are only suitable for removable battery holder installation. For fixed PCB built-in equipment, mass production industrial products, and non-removable module power supply scenarios, custom solder-tab CR1220 batteries are the mainstream industrial solution. Formal factories support diversified personalized tab customization to match different product structural designs.
Vertical Straight Tabs: Positive and negative metal tabs extend vertically on both sides of the battery. Suitable for vertical welding of single-layer PCBs, widely used in electronic shelf labels, fixed sensing modules, and industrial timing devices.
L-Shaped Horizontal Bent Tabs: 90-degree bent tabs for flat horizontal installation, saving vertical space. Ideal for ultra-thin wearable devices, slim medical equipment, and low-profile IoT modules.
Flat Patch Tabs: Low-height flat tabs without protruding structures, specially customized for ultra-thin equipment with strict height limitations.
Professional manufacturers support customized tab material, tab length, width, spacing, and angle. Conventional tabs adopt nickel-plated steel with excellent solderability and oxidation resistance; high-end customized versions use pure nickel tabs for stronger durability and corrosion resistance. In addition, high-temperature resistant tab models can be customized for automotive and high-temperature industrial environments to ensure welding stability and long-term service life.
Custom solder-tab CR1220 batteries realize integrated fixed welding, effectively avoiding poor contact, loose power supply, and equipment failure caused by vibration. They are widely used in mass-produced smart hardware, automotive electronic modules, medical devices, and industrial IoT terminals, improving product consistency and production efficiency.
As a cross-border exported lithium primary battery, CR1220 must comply with international safety and environmental protection certification standards to ensure smooth air, sea, and land transportation and market access in Europe, America, Southeast Asia, and other regions. Formal export-grade CR1220 batteries are equipped with a complete set of qualification documents.
UN38.3 is a mandatory transportation safety certification for all lithium batteries. Qualified export CR1220 batteries pass altitude simulation, temperature cycling, vibration test, external short circuit, crush test, and forced discharge tests. It proves that the battery will not leak, bulge, ignite or explode during long-distance transportation, which is the core document for customs clearance and airline shipment.
The MSDS file records the chemical composition, hazard identification, safety operation guidelines, and emergency disposal measures of CR1220 batteries. It is a necessary document for factory incoming inspection, customer audit, and cross-border customs declaration, proving that the product belongs to safe civilian primary battery with no dangerous attributes under normal use.
Export-oriented CR1220 batteries comply with EU RoHS hazardous substance restrictions and REACH environmental protection standards, containing no lead, mercury, cadmium, chromium, and other prohibited heavy metals. They meet green product access requirements for European and American markets and support terminal product CE, FCC, and other system certifications.
The battery conforms to the global unified IEC 60086 primary battery safety and performance standards, ensuring product universality, interchangeability, and quality consistency in the international market.
For industrial mass production, select original standard CR1220 batteries to avoid performance inconsistency caused by non-standard size and parameter deviation.
Confirm tab style, size, and material in advance for customized solder-tab batteries to match PCB board design and reduce subsequent modification costs.
For cross-border export orders, ensure complete UN38.3, MSDS, and RoHS documents to avoid customs detention and delivery delays.
For high-temperature and automotive-grade scenarios, prioritize industrial enhanced versions with high-temperature resistance and stable discharge performance.
The CR1220 lithium manganese coin cell is a mature and standardized industrial ultra-thin 3V battery. Strict original factory specifications ensure basic performance and compatibility, diversified solder tab customization solutions meet the fixed welding needs of industrial mass-produced equipment, and complete international export certifications guarantee smooth global sales and transportation. For electronic manufacturers, industrial purchasers, and foreign trade merchants, mastering CR1220’s standard parameters, customization rules, and export compliance requirements is essential to achieve standardized procurement, stable production, and compliant export business.
