VOLTCRAFT LIR2032 Rechargeable Lithium-Ion Coin Cell Battery 45 mAh 3.6 V, 100-Pack VC-18689115

Dead coin cells in key fobs, watches, or sensors are a recurring nuisance and expense. This 100-pack of VOLTCRAFT LIR2032 rechargeable lithium-ion button cells eliminates the need for constant replacements. Each cell delivers a stable 3.6 V nominal voltage and 45 mAh capacity, making them ideal for devices that drain batteries quickly or require frequent power cycling. Recharge them up to 500 times and cut both cost and waste.

Who is it for

Service technicians, electronics hobbyists, and facility managers who maintain multiple battery-powered devices will appreciate the bulk quantity and rechargeability. From car key remotes and LED tealights to small medical devices and backup memory, these cells keep equipment running without repeated purchases.

Main features

• Lithium-ion chemistry with 3.6 V output and 45 mAh capacity
• Rechargeable up to 500 cycles for long-term economy
• Standard LIR2032 size: 20 mm diameter, 3.2 mm height
• Flat top terminals for secure contact in most holders
• Wide discharge temperature range: -20°C to 60°C
• Low self-discharge: less than 5% per month
• Bulk pack of 100 cells for high-volume use

Specifications

• Battery type: LIR2032 coin cell
• Chemistry: Lithium-Ion (Li-Ion)
• Nominal voltage: 3.6 V
• Capacity: 45 mAh
• Energy: 0.162 Wh
• Diameter: 20 mm
• Height: 3.2 mm
• Maximum charging voltage: 4.2 V
• Discharge cut-off voltage: 2.75 V
• Standard charge current: 22.5 mA
• Standard discharge current: 9 mA
• Cycle life: up to 500 cycles
• Terminal type: flat top
• Operating temperature (discharge): -20°C to 60°C
• Storage temperature: -20°C to 45°C
• Self-discharge rate: <5% per month

Tips

Use a charger specifically designed for Li-Ion coin cells to avoid overcharging. Store unused cells in a cool, dry place at partial charge (around 50%) to prolong shelf life. For devices that draw very low current, these cells can last months between charges.