Assembled kit without problems. Advanced soldering and spot welding experience required (warned by seller). Power bank is perfect, automatic capacity calibration, good construction. Synchronous DC-DC converters, true coloumb meter/fuel gauge (accurate battery status ... I believe that power bank can not deliver 100W longer time (power module is good quality), but need better cooling.
Awsome seller, super fast shipping, great communication! 10 stars service! Thank you!