It's a China knock off charger.. They are available for everything from Kenwood to Icom to Motorola.. None are actual "Branded" items.. The H/L is High rate Vs. Low Rate (trickle) charge.. THEY ARE NOT VERY RELIABLE so be careful with unattended operation.
PRO668 (3), HP 1, PSR800 (2) , PSR600, PSR500, PRO2096 (2), PRO106, BCD 296D P25 card, Commercial FCC license, Ham General, FAA Private Pilot, Business Owner, APCO Certified Tech.