ATC 800mAh Home Phone Battery for Vtech BT184342 BT284342 BBTG0671011 BBTG0743001 BT-1011 Phones 100% compatible with Original Battery. Rechargeable and long service life. Unique design only allows battery connector to be installed one way, preventing short circuiting of the battery and device. Unique design only allows battery connector to be installed one way, preventing short circuiting of the battery and device.