Dongguan Techplus Technology Co., Ltd is based in China and lists batteries and chargers on Global Trade Plaza. The range includes a 10000mAh power bank with a digital display, a 504W battery rated at 36V and 14Ah, and a 12V 50Ah lithium battery pack built in a 4S1P configuration using FT3.2V/50Ah cells. The 504W battery is specified for standard discharge at 10A, maximum continuous discharge at 15A, charge voltage of 42V, and an IP54 waterproof rating. The 12V pack delivers 640Wh, supports up to 75A peak discharge, and is rated for 1500 cycles at 0.5C charge and 1C discharge. Buyers can send an enquiry through Global Trade Plaza.