Description
The Forte ER26500 is a 3.6V C-size primary lithium battery intended for compatible industrial and electronic equipment requiring an ER26500-format cell.
It uses Lithium Thionyl Chloride (Li-SOCl2) chemistry, commonly selected for long-life and low-drain industrial applications.
Typical applications
Suitable for compatible:
- Utility meters
- Industrial monitoring equipment
- Alarm and security systems
- Data loggers
- PLC and automation equipment
- Memory backup systems
- Remote monitoring devices
- Other equipment specifying ER26500 3.6V
Specifications
| Specification | Details |
|---|---|
| Brand | Forte |
| Model | ER26500 |
| Voltage | 3.6V |
| Size | C Size |
| Chemistry | Lithium Thionyl Chloride / Li-SOCl2 |
| Battery type | Primary Lithium |
| Rechargeable | No |
| Form factor | Cylindrical |
Important compatibility note
Before ordering, check the battery currently fitted in your equipment.
The replacement should match:
ER26500 model / C-size dimensions / 3.6V voltage / terminal configuration.
Do not substitute solely based on physical size, because different C-size batteries can use different chemistry, voltage and terminal arrangements.
Safety
This is a non-rechargeable primary lithium battery. Do not recharge, short-circuit, puncture, crush, dismantle, heat or dispose of in fire.






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