General description High-quality, compatible battery designed for use in NFC smart card readers, specifically the Newland ME31-18650G model. This battery offers a high capacity and can be charged with your standard charger or a compatible charger. It is designed to fulfill all operational safety guidelines. Technical specifications Battery type: Li-Ion Capacity: 2200 mAh Voltage: 3.7 V Energy: 8.1 Wh Height: approx. 1.9 mm Number of cells: 1 Weight: 50 g Compatibility and accessories Replacement for Newland ME31-18650G. Please check if your current battery is listed for compatibility. Other information Content of delivery: 1x battery.