Shenzhen Topway Power Technology 

Specialized in Manufacturing of Lithium Batteries and Energy storage products,like Lithium Batteries,Electric Bike Batteries, Solar Energy Storage Batteries(3.7V~12V~18V~24V~48V~96V~144V~~~764V)
wall-mounted batteries 2kwh,3kwh,5kwh,10kwh,15kwh,20kwh~~~~250kwh~500kwh
3.5U,4U,5U Rack style batteries like 48V 50Ah 100Ah,150Ah,200Ah
Power Supply like 2KVA,3KVA,5KVA 10KVA UPS,Outdoor Energy Storage Batteries with inverter

Note: Takum is brand under Topway Power Technology