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The ER14250M is a high-performance lithium thionyl chloride (Li-SOCl₂) primary power battery, featuring a fully sealed stainless steel cylindrical casing with dimensions of 14.5 mm in diameter and 25.0 mm in height, also known as a 1/2AA size battery. Renowned for its excellent high-power discharge capability and reliability, this battery serves as an ideal power solution for industrial instruments, smart metering, remote monitoring, and other demanding applications.
Core Technical Specifications
Basic Electrical Characteristics:
Nominal Voltage: 3.6V (Open Circuit Voltage ≥ 3.65V)
Rated Capacity: 750‑800mAh (High-Power Type)
Maximum Continuous Discharge Current: 100mA
Maximum Pulse Current: 250mA
Cut-off Voltage: 2.0V
Physical Characteristics:
Dimensions: Φ14.5 × 25.0mm
Approximate Weight: 10g
Operating Temperature Range: -55℃ to +85℃
Annual Self-Discharge Rate: ≤1%
Shelf Life: Over 10 years
Key Features & Advantages
High Energy Density: With a specific energy of up to 430 Wh/kg, it delivers extended runtime in a compact form factor. Over 90% of its capacity is discharged on a nearly flat high-voltage plateau.Wide Temperature Performance: Capable of reliable operation in extreme temperatures from -55℃ to +85℃. It retains about 50% of its nominal capacity at -55℃, demonstrating excellent adaptability to both high and low temperatures.Ultra‑Long Life & Low Self‑Discharge: The passivation effect from the LiCl protective film formed at the lithium anode‑thionyl chloride electrolyte interface results in an annual self‑discharge rate below 1% and a shelf life exceeding 10 years at room temperature.High‑Power Discharge Capability: As a high‑power battery, the ER14250M is especially suitable for high‑power continuous and pulse discharge applications. Its maximum pulse current reaches 250mA, which is more than five times that of standard capacity‑type batteries.Safety & Reliability: The fully sealed stainless steel housing ensures integrity through hermetic welding. Internal safety features such as venting grooves and fuses provide protection against over‑pressure and short circuits. Free of heavy metals like mercury, cadmium, and lead, it meets environmental requirements.
Applications
Smart Metering Systems:
Smart electricity, water, gas, and heat meters
AMR for utility meters & CMOS circuit boards
Flow meters, gas/water quality detectors
Industrial Control & Security:
PLCs, CNC systems, machine tools, servos
Smoke detectors, burglar alarm systems
Medical devices, emergency lighting systems
Automotive Electronics & IoT:
Tire Pressure Monitoring Systems (TPMS)
Wireless sensor networks, remote monitoring
IoT devices, asset trackers
Defense & Military:
Aerospace, underwater sonar, navigation equipment
Military communication systems, security apparatus
Quality Certifications
The product is ISO 9001 certified and holds international approvals including UL, CE, SGS, RoHS, and UN 38.3, ensuring compliance with global market access requirements.
Important Usage Notes
Non‑Rechargeable: The ER14250M is a primary (non‑rechargeable) lithium battery. Charging is strictly prohibited as it may cause explosion or fire.
Prevent Short Circuits: Avoid direct contact between the positive and negative terminals.
Correct Installation: Install the battery according to the correct polarity specified by the device.
Avoid High Temperatures: Store at a maximum temperature of 30℃. Do not expose to heat or incinerate.
Transportation Regulations: Transportation must comply with Dangerous Goods Safety Regulations.
With its high energy density, wide operating temperature range, ultra‑long life, and reliable performance, the ER14250M battery is the preferred power solution for industrial‑grade applications, providing durable and stable power support for various smart devices and remote monitoring systems.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Importer,Exporter
Year Established:
2011
Total Annual:
10 USD Million-15 USD Million
Employee Number:
1000~2000
Ecer Certification：
Verified Supplier
Guangzhou Sunland New Energy Technology Co., Ltd. (Sunland Power) is a senior professional service provider of battery application. Aiming at serving industrial users, it is dedicated to providing industrial users with optimized battery supporting solutions and safe, environmental friendly and cost-... Guangzhou Sunland New Energy Technology Co., Ltd. (Sunland Power) is a senior professional service provider of battery application. Aiming at serving industrial users, it is dedicated to providing industrial users with optimized battery supporting solutions and safe, environmental friendly and cost-...
