HQ dependable, removable high density energy storage solution for portable devices
These Panasonic 3600mAh Li-ion rechargables are some of the best option currently available to power portable devices. Discharge characteristics very consistent across cells. For best performance, try to charge the battery individually and moderate charging current before reaching 70% capacity and a lower charging current for the remainder charge. If cells are not in use, don't keep cells in 100% charge during storage; instead keep them in 30-70% to reduce the stress to each cells.