1 x Oneo Battery Device. 1 x Oneo 0.4 ohm Refillable Pod. 1 x Oneo 0.8 ohm Refillable Pod. 1600mAh Built-in Battery. Battery Capacity: 1600mAh. 40W Maximum Power. Resistance Range: 0.3-3.0 ohm. We have an effective and monitored age verification process provided by VerifyMyAge.