The Maxell ER6C is a primary (non‑rechargeable) lithium thionyl chloride battery — often incorrectly referred to as “lithium‑ion,” but it’s actually a Li‑SOCl₂ chemistry. It’s designed for long‑term, low‑drain applications requiring stable voltage and exceptional shelf life. Typical uses include programmable logic controllers, CNC machines, gas/water/electric meters, medical instruments, and memory retention in equipment.
Categories:
Coin and Button Cell| Attribute | Value |
|---|---|
| Battery Type | Primary Lithium Thionyl Chloride (Li‑SOCl₂) |
| Nominal Voltage | 3.6 V |
| Nominal Capacity | 1,800 mAh (varies slightly by lot) |
| Diameter | ~14.5 mm (AA size) |
| Length | ~50.5 mm |
| Weight | ~18 g |
| Operating Temp. | −55 °C to +85 °C |
| Shelf Life | Up to 10 years (low self‑discharge ~1% per year) |
| Continuous Drain | Typically 2–3 mA (can handle short pulses higher) |
| Termination Style | Standard cylindrical, available with solder tags or leads |
| IEC Code | ER14505 / ER6C |
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