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Views: 0 Author: Site Editor Publish Time: 2026-06-17 Origin: Site
The CR1025 is a standard 3.0V non-rechargeable lithium manganese dioxide coin cell, customized exclusively for ultra-thin and compact miniature electronic hardware. Featuring a fixed physical dimension of 10mm in diameter and 2.5mm in thickness, this ultra-slim coin battery fills the power supply gap that thick conventional coin cells (such as CR2025 and CR2032) cannot adapt to.
With standardized industrial dimensions, stable electrical output and mature manufacturing process, CR1025 has become a universal dedicated power source for space-limited small electronic equipment. This official specification manual covers full physical parameters, electrical performance, discharge standards, mechanical structure, compatible equipment, storage requirements and safety specifications, helping designers, procurement personnel and end users complete accurate model selection and standardized application.
Following the international IEC 60086 coin cell naming standard, the model code directly corresponds to battery size: the first two digits "10" stand for 10mm diameter, while the last two digits "25" represent 2.5mm thickness. All qualified CR1025 batteries follow unified dimensional tolerance to ensure universal compatibility with standard battery holders and sockets worldwide.
Parameter Item | Standard Value | Industrial Tolerance Range |
|---|---|---|
Nominal Diameter | 10.0 mm | ±0.2 mm |
Nominal Thickness | 2.5 mm | ±0.1 mm |
Battery Net Weight | 0.6 g | ±0.05 g |
Shell Structure | Sealed stainless steel round coin shell | No deformation, no surface scratch allowed |
Key Structural Advantage: The 2.5mm ultra-thin body is designed for ultra-flat device inner cavities. It is the thinnest mainstream 3V lithium coin battery on the market, perfectly solving the installation failure problem caused by insufficient internal space of slim mini electronic products.
All electrical indicators are tested under standard laboratory conditions: ambient temperature 23℃±2℃, relative humidity 50%±10%, cut-off voltage 2.0V.
Nominal Open Circuit Voltage: 3.0V
Typical Rated Capacity: 30mAh (under 0.1mA constant micro-current discharge)
Standard Discharge Current: Recommended working current: 0.01mA - 0.5mA; maximum instantaneous pulse current: 1mA
Internal Impedance: ≤150Ω (initial state)
Annual Self-Discharge Rate: ≤1% at room temperature
Long-term Shelf Life: 5 years (retains over 90% initial capacity after 5-year sealed storage)
Operating Temperature Range: -20℃ to +60℃
Storage Temperature Range: -30℃ to +45℃
Specification Tip: CR1025 is designed for low-power intermittent discharge rather than high-current continuous discharge. Excessive working current will lead to rapid voltage drop and sharp reduction of actual service life.
Stable Voltage Platform: During 10% to 90% of the whole discharge cycle, the working voltage maintains a stable plateau at 2.7V - 3.0V, with no obvious voltage fluctuation, ensuring stable operation of precision chips and sensing modules.
Gradual Voltage Decline: When the remaining capacity is lower than 10%, the voltage drops slowly and smoothly to the 2.0V cut-off voltage, providing obvious low-power reminder for terminal equipment.
Micro-current Discharge Adaptation: This battery achieves optimal capacity performance under long-term tiny current output, which matches the power consumption law of most miniature standby electronic devices.
Relying on its exclusive 10×2.5mm ultra-thin size and 3V stable power output, CR1025 is widely used in small-sized devices with strict space limitation, covering consumer electronics, wearable devices, industrial accessories and smart home products:
Ultra-thin mini electronic compasses, pocket laser pointers, slim portable digital thermometers, miniature card calculators, keychain indicator lights
Slim pedometers, mini calorie counters, lightweight waterproof watch accessories, wearable motion sensor tags
Automotive remote control auxiliary chips, miniature tire pressure monitoring backup sensors, industrial instrument timing backup power, micro signal induction modules
Ultra-thin door lock induction sensors, mini alarm detectors, portable medical auxiliary detection modules
Equivalent Model | Voltage | Compatibility Reminder |
|---|---|---|
BR1025 | 3.0V | Fully interchangeable, better high and low temperature resistance, for industrial use |
DL1025 / ECR1025 | 3.0V | 100% universal replacement for civilian consumer devices |
LIR1025 | 3.7V | Not interchangeable, overvoltage will damage device circuits |
Non-rechargeable Reminder: CR1025 is a primary disposable lithium battery. Charging is strictly prohibited to avoid battery swelling, leakage or safety accidents.
Polarity Installation: Install strictly according to positive and negative polarity marks of battery slots; reverse installation will cause equipment failure.
Short Circuit Prevention: Do not mix loose batteries with metal coins or conductors to avoid short circuit damage.
Environmental Storage: Store batteries in cool and dry environment; avoid long-term high-temperature storage to prevent accelerated capacity attenuation.
As a dedicated 10×2.5mm ultra-thin power supply for miniature electronic devices, the CR1025 lithium coin battery features standardized unified dimensions, stable 3.0V voltage output, ultra-low self-discharge rate and long shelf life. It is irreplaceable for slim small electronic products with limited internal installation space.
Following this complete specification manual, engineers can complete circuit power design matching accurately, while purchasers can realize standardized battery procurement. Choosing standard CR1025 batteries can effectively improve the overall stability and service life of mini terminal electronic equipment.
