Tera Speed Balance Charger Wire Socket Adapter Plate for Parrot AR Drone 2.0 LiPo Battery Using speed balance charger to charge Parrot AR. Drone 2.0 1500mAH battery. Plate dimension: approx. 3 x 8.8cm/1.2 x 3.5" Wire dimension: approx. 8.5cm/3.3" Weight: approx. 13g. 100% Brand new.