PKCELL an Experienced and Qualified Battery Company Supply the Hybrid Pulse Capacitor Technology Battery Solution. PKCELL IOT Battery Pack Combines a Standard Bobbin-type LiSOCl2 Cell With a Patented Hybrid Pulse Capacitor (HPC). The Lithium Thionyl Chloride Battery Stores the Energy While the Hybrid Pulse Capacitor is Providing the Power for Pulses.