Features:
3.7V 900mAh lipo battery; enough capacity and safe to use.
Easy to plug in and take out.
Over charge for protection for every charging port.
Compatible with 8807W RC quadcopter.
Duracell Specialty alkaline MN21 batteries – long lasting power for your devices. Duracell Specialty batteries have up to 5 years of in-storage guarantee with Duralock Power Preserve technology so you can be confident these alkaline batteries will be ready when you need them. They are designed for use in Wireless remote controls, wireless doorbells, security systems (alarms, locators). Also known as 23A, 23GA, A23, E23A, GP-23A, GP23A, K23A, L1028, LR23A, LRVO8, 8LR932,Duracell MN21, MS21, V23, V23GA, VR22 and a 8F10R.
Duracell 1.5 Volt Alkaline cylindrical battery for use with remote controls etc.These batteries are also known as: 2011, LR1, Type N, Type KN and also a MN9100 type too.To assist more it measures (in length) approx. 28mm and is approx. 11mm in diameter.