This is a set of two Sun-S lithium-ion batteries and one charger. Batteries: RD9870J (4-level adjustment) Charger: RD9345 They show some signs of use, but are still in good working condition. Operation has been confirmed. Full charge and fan operation have been checked. We have confirmed the operation. However, please note that the batteries may have deteriorated over the two seasons they were used. *Fans and clothing are not included. *Please be sure to check if your existing fans are compatible before considering purchasing. *To ensure a smooth transaction, we will do our best to accommodate requests such as adding photos. If you have any concerns, please comment before purchasing. ＜Specifications＞ ■Size: Approx. W72 x D27 x H102mm (excluding protrusions) ■Weight: Approx. 275g ■Capacity: 5800mAh 42.9Wh ■Output: Strong (7V), Medium (6V), Weak (5V), Weakest (3V) ■Output Current: Max. 2A ■Polarity: Center (+) pole ■Number of charging cycles (approximate): About 500 times ■Charging time (approximate): About 6 hours (time from 0% to 100% remaining charge) ■Operating temperature: -20°～50℃ ■Charging temperature: 5℃～35℃ ■Storage temperature: -20°～50℃ (for storage periods of less than 1 month)