Replacement battery fits 9 Blade compatible models. Specifications: 6900mAh, 11.1V, Li-Polymer. Compatible with: BLH8619, BLH8665, BLH8680, BLH8670, BLH8660, BLH8675 and 3 more compatible models. Replaces: Blade BLH8619. Blade replacement battery designed for Drones devices. A precise, secure fit you can rely on.