Nitecore NL166 RCR123A 650mAh Li-Ion Battery
https://www.techaroundyou.com/index.php?route=product/produc…
Specifications:
Battery Size: RCR123A (16340)
Battery Chemistry: Lithium Ion (Li-Ion)
Voltage: 3.7V
Capacity: 650 mAh
Max Charging Current: 650mA
Recommended Charging Current: 300 mA
Max Discharge Current: 4A
Estimated Charge Cycles: 500 cycles
Dimensions:
Diameter: 16.6mm
Length: 34.8mm
Weight: 17.8g
Delivery $10???