Can be used forever
Pulse charger refers to the ability to charge the battery more fully, less damage to the battery, battery charging is generally charged with two-thirds of the best, not every day charging is good, pulse charger is definitely better than the kind without pulse.
Because the pulse width is relatively narrow, there are other substances of the shunt, the effect on the vulcanization energy is limited, short-term pulse vulcanization repair effect is limited, long-term use of pulse repair charger effect will be better.