The Orqa Original Battery holds two 18500 Li-ion cells inside connected in 2S configuration. 

The battery case features the battery fuel gauge. 

To check the actual battery charge level, press and hold the button on top of the battery. 

The battery fuel gauge displays the level with four LED-backlit bars. Each bar represents roughly 25% of the full charge. 

The battery capacity is 2000 mAH.