The Maxell ML2032 is a rechargeable lithium manganese dioxide (Li‑MnO₂) coin cell battery. It’s designed for applications where a small, long‑life power source is needed — and where occasional recharging (by the device’s circuitry) is possible. CMOS batteries keep system settings, BIOS configuration, and the real‑time clock running even when the main power is off.
Categories:
Coin and Button Cell| Attribute | Value |
|---|---|
| Battery Type | Rechargeable Lithium Manganese Dioxide (Li‑MnO₂) |
| Nominal Voltage | 3.0 V |
| Nominal Capacity | ~45 mAh (varies slightly by manufacturer lot) |
| Diameter | 20.0 mm |
| Height/Thickness | 3.2 mm |
| Weight | ~3.0 g |
| Recharge Cycles | Around 1000 at low‑depth discharge |
| Operating Temp. | −20 °C to +60 °C |
| Shelf Life | Several years (when stored properly) |
| Discharge Type | Low‑drain continuous / standby |
| IEC Code | ML2032 |
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