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Li-SOCI2 9V Lithium Battery 1200mAh - China Factory Suppliers - Model ER9V, 10.8V, HWE, Howell
| Product Model | ER9V | Battery Type | Li-SOCl₂ |
| Nominal Voltage | 10.8V | Nominal Capacity | 1200mAh Discharge to 6.0V / 0.5mA |
| Dimension (W × T × L) | 26.5mm × 17mm × 48.8mm | Rough Weight | 40g |
| Discharge Cut-off Voltage | 6.0V | Standard Discharge Current | 0.5mA |
| Max Constant Discharge Current | 25mA | Max. Pulse Current | 50mA 100ms pulses, drained every 2 min |
| Ambient Temperature Range | -55 ~ +85℃ | Storage Life | ≥ 10 years Yearly self-discharge ≤ 1% |
💡 Frequently Asked Questions
Q
What does Li-SOCl₂ mean, and why is it used in the ER9V battery?
Li-SOCl₂ stands for Lithium Thionyl Chloride. It is a primary (non-rechargeable) battery chemistry known for its exceptionally high energy density, wide operating temperature range, and very low self-discharge rate — making it ideal for long-term, low-power applications such as metering, tracking, and industrial sensors.
Q
What is the nominal voltage and capacity of the ER9V battery?
The ER9V has a nominal voltage of 10.8V and a nominal capacity of 1200mAh, measured by discharging to a cut-off voltage of 6.0V at a standard current of 0.5mA.
Q
What is the maximum current the ER9V can handle?
The ER9V supports a maximum constant discharge current of 25mA. For pulse applications, it can deliver up to 50mA in 100ms pulses, with pulses drained every 2 minutes. Exceeding these limits may reduce battery life or performance.
Q
In what temperature environments can the ER9V battery operate?
The ER9V is designed for extreme environments, operating reliably across a temperature range of -55°C to +85°C. This makes it suitable for outdoor, industrial, military, and cold-storage applications where standard alkaline batteries would fail.
Q
How long can the ER9V battery be stored, and what is its self-discharge rate?
The ER9V offers a storage life of 10 years or more, with an annual self-discharge rate of ≤ 1%. This extremely low self-discharge makes it ideal for backup power systems, emergency devices, and equipment that must remain ready after long periods of inactivity.
Q
What are the physical dimensions and weight of the ER9V battery?
The ER9V measures 26.5mm (Width) × 17mm (Thickness) × 48.8mm (Length) and weighs approximately 40 grams. Its compact, rectangular form factor is compatible with standard 9V battery compartments used in smoke detectors, test instruments, and wireless devices.