ICR 18650 Rechargeable Li-ion Battery For Solar Light and Toys 3.7V 2200mAh with JST-XH 2.54mm 2-Pin Connector Length: 2.5", Diameter: 0.75". Weight: 2.00 oz Rechargeable Times For More Than 1000+ Please Check Your Battery Size and Connector Before Buying 2-Pack ICR18650 3.7V 2200MAh Li-ion Rechargeable Battery with JST-XH 2.54mm 2Pin Connector