Table of Contents
How big is a coin cell?
Alkaline coin cells all start with an “L”, while lithium coin cells are all prefixed with a “C”. The popular CR2032, for example, is a lithium battery (3V nominal voltage) measuring 20mm in diameter and 3.2mm tall. An LR1154 (aka LR44) is an alkaline battery (1.5V) measuring 11mm across and 5.4mm tall.
Are all coin cell batteries the same size?
CR2032: lithium, 20 mm diameter, 3.2 mm height, 220 mAh. CR2032H; lithium, 20 mm diameter, 3.2 mm height 240 mAh. CR2025: lithium, 20 mm diameter, 2.5 mm height, 170 mAh. SR516: silver, 5.8 mm diameter, 1.6 mm height.
What are the different sizes of coin batteries?
Coin Size Battery Chart
| Battery Model * | Size (mm) | Weight (g) |
|---|---|---|
| CR1025 | 10 x 2.5 | 0.7 |
| CR1216 | 12.5 x 1.6 | 0.7 |
| CR1220 | 12.5 x 2 | 1.2 |
| CR1225 | 12.5 x 2.5 | 0.9 |
What is the smallest coin cell battery?
A pin-shaped, 3.5mm diameter lithium ion battery, the industry’s smallest, which expands design options for small devices.
Is 1.5 V the same as 1.55 V?
1.5V vs. 1.55V is nothing. As Karl said, don’t mix batteries of different chemical compositions; there is a chance that potential differentials in the wrong direction might induce leakage (though theoretically, blowing up could happen, too, but highly unlikely).
What is the difference in coin batteries?
The obvious difference between the two battery types would be thickness. The CR2032 is 3.2mm thick while the CR2025 is 2.5mm thick. Because the CR2032 is 0.7mm thicker than the CR2025, it has a higher capacity (mAh) to deliver current to the load.
What size is AG1 battery?
LR621 and SR621 batteries are non-rechargeable button/coin cell batteries featuring physical dimensions of 6.8 mm in diameter and 2.1 mm in height. They are commonly available as alkaline and as silver-oxide batteries. Alkaline batteries are labeled as LR621, LR60, or AG1 batteries.
Do coin batteries leak?
After normal use, a battery should not leak. The cell is strong enough to withstand built up gases inside. Leakage happens when a battery is left in a device for too long, especially when it’s not used. As that device is left unused, it still periodically ‘checks’ for the remaining power.
What is the difference between sr927 and SR927SW?
These batteries are silver-oxide 9.5×2. 6 mm batteries, but the SR927W (399) battery is a high-drain battery suitable for digital watches with LEDs and alarms, while the SR927SW (395) battery is a low-drain battery suitable for low, constant current discharge applications.
What is the difference between a 2032 and a 2025 battery?
What’s the difference between CR2032 and CR2025 batteries? The obvious difference between the two battery types would be thickness. The CR2032 is 3.2mm thick while the CR2025 is 2.5mm thick. Because the CR2032 is 0.7mm thicker than the CR2025, it has a higher capacity (mAh) to deliver current to the load.
Is AG1 same as 364?
Generally, LR621/LR60/AG1 batteries are used for toys, flashlights, and similar devices where constant voltage is not of ultimate importance. Silver-oxide batteries are commonly labeled as SR621, SR621SW, SR60, 164, 364, SG1, or even AG1.
What size coin cell do I Need?
One of the most popular coin cells in use right now is the CR2032 which is 20mm diameter x 3.2mm thick, provides 220mAh at 3V. Lithium coin cells can get as large as the CR2477 (24mm x 8mm) with a capacity of 1000mAh for $3.50.
How big is a coin cell battery?
Lithium coin cells can get as large as the CR2477 (24mm x 8mm) with a capacity of 1000mAh for $3.50 The only other lithium cell you’ll see around is the CR123, which is a 3V cell thats a bit thicker than a AA battery and a bit shorter too.
What is a LIR coin cell battery?
The LIR (lithium ion rechargeable) coin cell, also known as a button cell, is the smallest, least expensive lithium ion battery format. Rated at 3.7V, LIR coin cell voltages may be up to three times higher than traditional lithium metal batteries like Cd-Ni or MH-Ni types.
What size punch do I need for a 2032 coin cell?
For a 2032 coin cell (meaning 20 mm in diameter, 3.2 in height), the separator will be the full 20mm in diameter. Lithium foil already cut in disks will be 15.6 mm in diameter, so we can use the 15mm punch for our working electrode (or a smaller one, if desired).