Amazon.com: Tectra 1.2V 700mAh LR1 N Size Ni-Mh Rechargeable Battery with USB Charger, Long Lasting, All-Purpose N Battery, 2 Count : Health & Household
Amazon.com: 2 Pack - Replacement for GP GP70AAAH2BMJZR Battery - Compatible with GP Cordless Phone Battery (700mAh 2.4V NI-MH) : Electronics