Replacement Coin Cell Battery CR2032T - Wide-Temperature

Power across changing temperatures

The Rome Tech CR2032T is a non-rechargeable 3V lithium coin cell for compact electronics operating across a wide temperature range. With a nominal capacity of 220 mAh and an operating range of −40°C to +85°C, it supports applications exposed to changing indoor and outdoor conditions.

Suitable for backup power and low-power electronics

Typical applications include real-time clocks (RTC), memory backup, low-power meters and compatible sensors requiring a wider operating temperature range. Its 20 × 3.2 mm format fits compatible CR2032 battery holders.

Features

• Nominal voltage: 3V

• Nominal capacity: 220 mAh

• Operating temperature: −40°C to +85°C

• Maximum pulse current: 15 mA

• Chemistry: Lithium manganese dioxide (Li/MnO₂)

• Dimensions: 20 mm diameter × 3.2 mm height

• Battery type: Primary, non-rechargeable

• Annual self-discharge: ≤2% after 12 months at 20°C

Choosing the right battery

Confirm your device’s voltage, current, mounting and temperature requirements before installation. For continuous use below −20°C or above +70°C, contact us for application guidance. Actual capacity and service life depend on temperature and discharge conditions.

Do not recharge or solder directly to the cell. Keep coin batteries away from children.