2 Pack 6.0V 700mAh Ni CD AA Rechargeable Battery Pack SM2P Plug and 2 USB
Real battery capacity is 800mAh to 900mAh ,20%-30% more than normal 6V 700mAh battery. SM-2P black 2 pin connector plug,plug end cross-section size:5.6 4.9mm/0.22 0.19in. Make sure your device battery room size and connector fit before buying.