4.8v 650mAh Ni-CD Rechargeable Battery Pack Replacement for Exit Sign – XML Battery
Microbotix – 11.1V 2200 mAh 18650 Lithium-ion 3S High Quality Rechargeable Battery Pack. – Prayog India
Amazon.com: (2-Pack) 4.8V 700mAh Ni-CD Battery Pack, AA700mAH Replacement for 1/18 RC Truck Car, Rock Off-Road, Four Wheels Race Car, SM-2P Plug with USB Charging Cable : Toys & Games