GK40 battery replacement for Moto E4, G4 Play, Moto C series. this replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Best replacement for the original battery with comparable standby and talk time.GK40 battery replacement for Moto E4, G4 Play, Moto C series. this replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Best replacement for the original battery with comparable standby and talk time.GK40 battery replacement for Moto E4, G4 Play, Moto C series. this replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Best replacement for the original battery with comparable standby and talk time.GK40 battery replacement for Moto E4, G4 Play, Moto C series. this replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Best replacement for the original battery with comparable standby and talk time.GK40 battery replacement for Moto E4, G4 Play, Moto C series. this replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Best replacement for the original battery with comparable standby and talk time.GK40 battery replacement for Moto E4, G4 Play, Moto C series. this replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Best replacement for the original battery with comparable standby and talk time.GK40 battery replacement for Moto E4, G4 Play, Moto C series. this replacement battery has an integrated microchip that prevents overcharging and lengthens battery life. Best replacement for the original battery with comparable standby and talk time.