The EVE ER14505 is a high-reliability primary lithium thionyl chloride (Li-SOCl₂) battery in the standard AA form factor (14.5 × 50.5mm). Manufactured by EVE Energy Co., Ltd. — one of the world’s leading primary battery producers — the ER14505 is designed for mission-critical, long-life industrial applications where battery replacement is infrequent or impractical.
Available for bulk and wholesale procurement, this model is widely specified by OEMs, metering equipment manufacturers, and IoT device integrators who demand consistent quality, full certification compliance, and reliable factory-direct supply chains.
Key Specifications
| Model | ER14505 |
| Chemistry | Lithium Thionyl Chloride (Li-SOCl₂) |
| Form Factor | AA Size (Cylindrical) |
| Nominal Voltage | 3.6V |
| Nominal Capacity | 2700mAh |
| Dimensions | Ø14.5mm × 50.5mm |
| Operating Temperature | -55°C to +85°C |
| Self-Discharge Rate | ≤1% per year |
| Shelf Life | Up to 10 years |
| Energy Density | High — up to 650+ Wh/kg |
| Certifications | CE, RoHS, UN38.3, IEC60086, UL, MSDS |
| Manufacturer | EVE Energy Co., Ltd. (China) |
EVE Li-SOCl2 Battery Series Comparison
| Model | Capacity (mAh) | Voltage (V) | Max Continuous Current (mA) | Max Pulse Current (mA) | Weights (g) | Operation Temperature (°C) | Sizes (mm) |
|---|---|---|---|---|---|---|---|
| ER14250 | 1200 | 3.6 | 35 | 50 | 10 | -55~+85°C | 14.5×25.4 |
| ER14335 | 1650 | 3.6 | 35 | 75 | 12 | -55~+85°C | 14.5×33.5 |
| ER14505 | 2700 | 3.6 | 60 | 150 | 19 | -55~+85°C | 14.5×50.5 |
| ER17505 | 3600 | 3.6 | 100 | 180 | 26 | -55~+85°C | 17.5×51.0 |
| ER18505 | 4000 | 3.6 | 130 | 180 | 28 | -55~+85°C | 18.7×50.5 |
| ER26500 | 8500 | 3.6 | 150 | 200 | 52 | -55~+85°C | 26.2×50.0 |
| ER34615 | 19000 | 3.6 | 230 | 300 | 100 | -55~+85°C | 33.1×61.5 |
| EF651615 | 400 | 3.6 | 5 | 20 | 5 | -55~+85°C | 16.85×15.8×7.0 |
| EF651625 | 750 | 3.6 | 10 | 30 | 8 | -55~+85°C | 16.85×25.8×7.0 |
| ER2450T | 550 | 3.6 | 5 | 20 | 9 | -55~+125°C | 24.3×6.2 |
*Note: The above data comes from EVE’s laboratory.
Why Wholesale Buyers Choose the EVE ER14505
- AA Form Factor Compatibility: The standard 14.5mm diameter makes the ER14505 a drop-in upgrade from conventional AA alkaline batteries in device designs — simplifying procurement and product integration for OEM customers.
- 3× the Voltage of Standard AA: At 3.6V nominal, the ER14505 delivers significantly higher voltage than alkaline AA cells, enabling direct use in devices designed around lithium primary chemistries without additional regulation stages.
- Stable Long-Term Voltage Output: The flat discharge curve ensures near-constant voltage throughout the battery’s operating life — critical for precision instruments, sensors, and communication modules that require voltage stability.
- Extreme Temperature Performance: Reliable operation from -55°C to +85°C makes the ER14505 suitable for outdoor deployments, cold storage environments, and industrial automation in challenging conditions.
- Minimal Maintenance Cost: With a self-discharge rate of ≤1% per year and a 10-year shelf life, this battery drastically reduces field service and replacement costs for deployed device fleets — a key selling point for end customers.
- Full Certification Compliance: CE, RoHS, UN38.3 transport approval, IEC60086, and UL certification ensure seamless import/export across major markets and meet procurement requirements for public sector and regulated industries.
- EVE Brand Assurance: Manufactured by EVE Energy, a globally listed company with ISO-certified facilities, consistent batch quality, and robust supply chain capacity to fulfill large-volume orders.
Target Applications for B2B Buyers
- Smart electricity, water, gas, and heat meters (AMR/AMI)
- Wireless IoT sensors and data loggers
- GPS asset trackers and fleet telematics
- RFID readers and identification systems
- Industrial automation and PLC memory backup
- Security alarms and smoke detectors
- Remote environmental monitoring stations
- Medical devices and portable diagnostics
- Smart city infrastructure and parking systems
Wholesale & OEM Ordering
The EVE ER14505 is available for wholesale purchase with competitive bulk pricing for distributors, system integrators, and OEM manufacturers. Custom packaging, private labeling, and wire lead/connector terminations are available upon request. Contact us to request a bulk quote, samples, or technical datasheets.








