The ICR18650-300PCM-R 3000MAH PROTECTED part is a Li-ion rechargeable battery produced by Keeppower. This battery can be used for various applications such as in SOLAR PANELS, Drones, RC Cars and RC Boats, and it is specifically designed for high drain devices. This battery features an integrated circuit protection board, which provides protection against over-charging, over-discharging, over-current, and short-circuits, keeping your device and your battery safe. Additionally, this battery has a superior capacity of 3000 mAh, giving it a longer lifespan and more charge cycles than other batteries, so it is ideal for those who need to recharge frequently.