Coin Cell Battery - 24.5mm (Rechargeable CR2450) - PRT-10319 - SparkFun Electronics

A really cool rechargeable Lithium Ion coin cell battery. The battery is rated for 3.6V @ 110mAh - a great way to run a small embedded project for hours. T

Coin Cell Battery - 24.5mm (Rechargeable CR2450) - PRT-10319 - SparkFun Electronics

Coin Cell Battery - 24.5mm (Rechargeable CR2450) - PRT-10319 - SparkFun Electronics

Adjustable LiPo Charger Hookup Guide - SparkFun Learn

Adjustable LiPo Charger Hookup Guide - SparkFun Learn

Adjustable LiPo Charger Hookup Guide - SparkFun Learn

18650 vs. 21700: What Difference is between them?

PRT-13856 SparkFun Electronics $26.9379/ 1 SPQ, 3 Original Parts in Stock - JAK Electronics

Single Cell LiPo Battery Care - SparkFun Learn

Coin Cell Battery Rechargeable - 24.5mm