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, HP 1, WS1080, PSR800, PSR600, PSR500, PRO2096 (2), PRO106, BCD 296D P25 card, Commercial FCC license, Ham General, FAA Private Pilot, Business Owner, APCO Certified Tech.