The DJI Intelligent Battery for Ronin-M (Part-4) is a spare 4S configuration LiPo battery with 3400mAh capacity capable of providing power to the Ronin for up to six hours. No separate balance connector is required while charging because of its smart circuitry design, overcharge and over depletion detection is built-in. The battery has four cell configurations which are balanced for charge by an intelligent circuit. The battery has 16.8 volts output compatible with Ronin-M3-Axis Gimble.Features: 3400mAh CapacityAutomatically balances the voltage of each battery cell during chargingDisplays current battery levelsCompatible with Ronin-M 3-Axis GimbalCharging maximum to 16.8V to prevent overcharge damageDischarging to only 12V to prevent over discharge damageAutomatically cuts power supply when a short circuit is detectedSleep mode is activated after 10 minutes of inactivity to save powerBattery charges only when the temperature is between 32° and 131°F