The Hohm Tech Hohm School 4A Charger is based on the Hohm School platform, but now with 2x BLD (Battery Length Detection) Systems + updated IPR (Input Power Regulation) program. There is no need for a screen...it does everything including automated amp output automation.
The BLD system is built directly into the charger with enables it to automatically stop up/down the amperage charge rate dependent on cell length
Input Power Regulator integrated directly into the unit, no more stressing USB power adapters or ports
2V activation enabled at 0.2A (It will charge batteries you thought were dead forever)
Solid and pulsing LED indicators for fast/easy reading
PCB/PCM equipped li-ion batteries
Non ABS fire-retardant compoud
Multi-groove positive contact for optimal energy flow
Microprocesseor controlled. Easily handle 4A combined charge rate with its USB-C connectivity
Has all the standard protection features one would expect: Reverse polarity; wrong battery type; over charge; short circuit