This is a simple coin cell battery at 3V. Great for powering low power processors or blink an LED for weeks at a time.
100X CR1620 LM1620 5009LC 3V Watches, Toys Batteries Coin Button Cell
500PCS New Original Panasonic CR1620 1620 DL1620 BR1620 KCR1620 3V Lithium Battery For Clocks Watch Calculator Button Co
50pcs 3V cr 1620 Lithium battery LM1620 BR1620 ECR1620 KCR1620 CR1620 5009LC Button Cell For Toys,watch,Small Instruments - AliExpress
CR1620, CR1620 Battery, Coin Cell Battery
CR1620, CR1620 Battery, Coin Cell Battery
20PCS 3V CR1620 Lithium Button Battery DL1620 BR1620 ECR1620 5009LC LM1620 CR 1620 KCR1620 30mAh Coin Cell Watch Batteries
10PCS CR1620 CR 1620 DL1620 BR1620 KCR1620 ECR1620 3V Lithium Button Coin Cell Battery for Watch Car Remote Control Scales Toys - AliExpress
5pcs Cr1620 Button Battery 3v Lithium Bateria Replacement Kcr1620 Lm1620
Tenergy CR1620 3V Lithium Button Cells 20 Pack (4 Cards) - Tenergy Power
Hot 160mah Capacity Cr1620 3v Lithium Battery Lm1620 - Temu United Kingdom