Electric primary cell comprising a visual indicator of its state
Electrical device with bi-level battery state-of-charge indicato
Electrical device with bi-level battery state-of-charge indicato
Electrical measuring system for testing electrical components
Electrochemical cell
Electrochemical cell
Electrochemical cell
Electrochemical cell
Electrochemical cell having continuous depletion gauge
Electrochemical cell label with integrated tester
Electrochemical cell label with integrated tester
Electrochemical cell label with integrated tester
Electrochemical cell label with integrated tester
Electrochemical cell with adjustable step-like output voltage
Electrochemical cells with end-of-life indicator
Electrochemical cells with end-of-service indicator
Electrochromic thin film state-of-charge detector for on-the-cel
Emergency battery monitor
End cap assembly for an electrochemical cell
End cap assembly for electrochemical cell