DC 3.7V 650mAh AHB622540N01 Rechargeable Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 HD 450 Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 Mouse : Amazon.ca: Electronics
Nitecore NL166 RCR123A 650mAh 3.7V Rechargeable Lithium Battery x 2
Amazon.com: MSDS Verified Part Number: 652540 Replace for 602540, Rechargeable 3.7V 650mAh Li Lipo Lithium Polymer Ion Battery Pack with 2 Pin 2.0mm JST Connector : Health & Household