★★★★★
Works as expected
KenSteph—December 28, 2025
Worked out of the box with no problems in a thermostat sensor. Not sure about battery life long-term. Read more
Enegitech
Enegitech CR2477 Lithium Button Battery Coin 2477 3V Button Cell for Wall Clocks Hygrometers Electronic Scales Smart Meters
$6.99
About this item
- Package Contents: CR2477 Lithium Coin Batteries 6-Pack *Please check the device manual and install according to the correct polarity (+/-).*
- Features: 3V rated voltage, high-performance lithium battery Utilizes high-purity lithium material with low self-discharge rate to prevent sudden power failure.
- Compatible Devices: Security Camera Batteries, Scales, Keyless Entry Systems, Remote Controls, Wristwatches, Toys
- Size/Dimensions: Voltage: 3V / Dimensions: Approx. Φ24.5 × 7.7mm
- Reliable Power Supply: Mercury-free, high-pressure, high energy density. Operating temperature range: -20°C to +60°C. Durable with long-lasting performance. Self-discharge rate below 3% annually at room temperature. 10-year shelf life under recommended storage conditions: Temperature 20±2°C, Relative Humidity 55±20%.
$6.99
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Product details
| Number of Batteries | 6 Nonstandard Battery batteries required. (included) |
|---|---|
| Brand | Enegitech |
| Battery Cell Composition | Lithium Metal |
| Recommended Uses For Product | Indoor/Outdoor |
| Unit Count | 6.0 Count |
Technical specifications
| product_dimensions | 2 x 0.57 x 2 inches |
|---|---|
| item_weight | 0.8 ounces |
| item_model_number | CR2477 |
| batteries | 6 Nonstandard Battery batteries required. (included) |
| best_sellers_rank | #39,113 in Health & Household ( See Top 100 in Health & Household ) #128 in AA Batteries #274 in Coin & Button Cell Batteries |
| date_first_available | April 27, 2025 |
| manufacturer | Enegitech |
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Customer reviews
4.767 ratings
Customers say
Customers find the battery works well with ecobee sensors and lasts over 3 years.
★★★★★
Works well for ecobee sensors
Max / Maksim—December 3, 2025
Works well for ecobee sensors Read more
★★★★★
High Quality Batteries
Pete_M—January 1, 2026
I've been using these batteries for many years in my security system sensors. They last well over 3 years before they need replacement and never received a battery that was sitting on the set for years. Highly recommended over the overpriced Panasonics or Energizers. Read more
★★★★☆
Work good
shifter—September 24, 2025
Runtime is ok. I've had better and worse lol. Good for the price. Read more
★★★★★
Product as describe
Holly Hoffman—January 4, 2026
Was just the right size. Shipping was fast. Read more
★★★★★
Fair pricing for good products!
NW—January 5, 2026
Fair pricing, fast shipping- good products! Read more
★★★★★
Seem OK
Bryan H.—December 3, 2025
Seemed to do the job... I don't know how they'll last. Read more
★★★★★
Battery works
Matt—October 23, 2025
Works great with my alarm components Read more
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