A&S Power 18650 3.7v 2000mah lithium rechargeable cell | Shenzhen A&S Power battery
Amazon.com: 3.7V 10000mAh 4 Cell Lithium ion 18650 37.0Wh Rechange Battery Pack with 2 Pin MTA-100 Connectors : Health & Household
Amazon.com: 1Pcs 18650 3.7v 4400mAh 1S2P Li ion Rechargeable Battery Pack with 2.0Pin JST-PH Connector 16.28Wh/4.4A, Blue, 6.6 x 1.8 cm (19.28Wh/4.4A) : Health & Household