BC-4S15D Battery B4 Balance Charger & Voltage Detector It's equipped with a large

It's equipped with a large drum mag

Model:  mini m416

High-Quality Nylon Gearbox: Equipped with 18:1 high-quality metal gears for durability and performance

Ammo Size: 7-8mm gel balls

Color: blue / red

BC-4S15D Battery B4 Balance Charger & Voltage Detector It's equipped with a largeTake the hassle out of charging your 7. 4v and 11. 1v Lipo batteries with the BC 4S15D Battery B4 Balance Charger & Voltage Detector. This one step charger is ready to use and displays the voltage at any time. Say goodbye to complicated charging processes and hello to convenience and ease. Features: Type: Balance charger & voltage detector for 7. 4v and 11. 1v Lipo batteries, Ready to charge, one step to finish charge process. Ready to display,