The Maxell ER17/50 is a primary (non‑rechargeable)cylindrical lithium cell built for long‑term, low‑drain applicationswhere stable voltage, high energy density, and reliability are critical. The brown‑sleeved version with a 2‑pin connectorcomes pre‑wired for quick installation in industrial electronics, metering devices, and backup power modules. It delivers a flat discharge curve, ensuring consistent performance over most of its service life, and operates reliably in extreme temperatures.
Categories:
Coin and Button Cell| Parameter | Details |
|---|---|
| Model | ER17/50 |
| Chemistry | Lithium Thionyl Chloride (Li‑SOCl₂) |
| Nominal Voltage | 3.6 V |
| Nominal Capacity | 2750 mAh (2.75 Ah) |
| Size / Form Factor | 2/3A‑long cylindrical |
| Dimensions | Ø 17 mm × 50–52.6 mm |
| Weight | ~20 g |
| Operating Temp. | −55 °C to +85 °C (consult manufacturer for use below −40 °C) |
| Shelf Life | Up to 10 years (self‑discharge ≈1%/year) |
| Discharge Characteristics | Flat voltage profile, minimal internal resistance change |
| Connector Type | 2‑pin plug with insulated leads (type may vary by supplier) |
| Applications | PLCs, CNC machines, industrial automation, utility meters, medical instruments, memory backup |
| Country of Origin | Japan |
⚠️ Safety Note: This is a non‑rechargeable lithium cell. Never attempt to recharge, short‑circuit, puncture, or expose it to fire — doing so can cause leakage, rupture, or explosion.
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