Button Cells - Battery VARTA - Free user manual and instructions
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| Product Type | Button Cell Battery |
| Brand | VARTA |
| Model | Button Cells (various sizes) |
| Common Sizes | CR2016, CR2025, CR2032, CR2450, CR1216, CR1220, etc. |
| Voltage | 3.0 V (Lithium) or 1.5 V (Alkaline) |
| Chemistry | Lithium Manganese Dioxide (LiMnO2) or Alkaline |
| Typical Diameter | 11.6 mm to 24.5 mm |
| Typical Height | 1.6 mm to 6.2 mm |
| Weight (CR2032) | 2.8 g |
| Capacity (CR2032) | 225 mAh |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -10°C to +25°C |
| Self-Discharge Rate | Less than 1% per year at 20°C |
| Primary Functions | Powering small electronic devices like watches, calculators, toys, medical devices, and key fobs |
| Maintenance | Keep in cool, dry place; avoid short-circuiting; do not expose to high temperatures |
| Safety Precautions | Keep away from children; if swallowed, seek medical attention immediately; do not recharge or disassemble |
| Disposal | Recycle according to local regulations; do not dispose with household waste |
| Spare Parts Available | Not applicable (single-use battery) |
| Compliance | RoHS, CE, IEC 60086 |
Frequently Asked Questions - Button Cells VARTA
How do I install a VARTA button cell battery?
Insert the battery with the positive (+) side facing up as indicated in the device's battery compartment. Ensure the battery is snugly fitted.
What is the shelf life of VARTA button cells?
VARTA lithium button cells have a shelf life of up to 5-10 years when stored in a cool, dry place.
Can I recharge VARTA button cells?
No, standard VARTA button cells are primary (non-rechargeable) batteries. Do not attempt to recharge them as it may cause leakage or rupture.
How should I store unused button cells?
Store in original packaging in a cool, dry place away from direct sunlight and extreme temperatures.
What devices use CR2032 batteries?
Common devices include computer motherboards, car key fobs, calculators, watches, fitness trackers, and medical thermometers.
How do I dispose of VARTA button cells?
Dispose according to local battery recycling regulations. Many retailers and recycling centers accept button cells.
What does CR in CR2032 stand for?
CR indicates a lithium manganese dioxide chemistry with a coin shape. The numbers represent diameter (20mm) and thickness (3.2mm).
How can I test if a button cell is still good?
Use a multimeter set to DC voltage. A fresh CR2032 should read around 3.2V. Below 2.5V, it is depleted.
What happens if a button cell leaks?
Leaked battery fluid can be corrosive. Remove the battery carefully with gloves and clean the compartment with a cloth and vinegar or lemon juice.
Are VARTA button cells safe for children's toys?
Yes, but ensure the battery compartment is secured with a screw. Supervise children and keep spare batteries out of reach.
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Product information
Brand : VARTA
Model : Button Cells
Category : Battery