ET5420A+ Programmable DC Electronic Load Tester Testing System for Power Supplies, Batteries, and Components (CV/CC/CR/CP Modes | 400W/150V/20A*2 | High-Accuracy Battery Discharge Tester)
ET5410A+ Programmable DC Electronic Load Battery Tester - 400W 40A 150V Battery & Power Supply Tester with CC/CV/CR/CP Mode, LCD Display, USB Support SCPI
ET5407A+ 200W Programmable DC Electronic Load Tester 0–180V 0–30A Battery Power Supply Tester with CC/CV/CR/CP Modes High-Accuracy 1mV/1mA USB Remote Control LCD Display for Lab R&D EV DIY Electronics