Restore Reliable Power to Your Hioki Power Logger Keep your critical energy monitoring and power analysis running without interruption. This HTK345SL replacement battery is the direct, compatible power source for Hioki PW3360, PW3365-30, and related PW336X series power loggers. Providing 7.2V and 2400mAh of capacity using reliable Ni-MH (Nickel-Metal Hydride) chemistry, this battery ensures your data logger can complete long-term recording sessions for accurate energy audits and electrical system analysis.