Can a Dead Car Battery Be Repaired?

[Gerald]

Car batteries can be repaired when they run out of power. The most effective method to eliminate sulfation in a battery is the pulse repair method. During battery repair, the instantaneous pulse voltage typically ranges between 60V and 300V, depending on the product's intended function. For products designed to extend battery life, the pulse voltage should not be too high, whereas specialized battery repair products may use higher pulse voltages. The desulfation charging process is as follows: 1. Drain the original electrolyte, rinse twice with distilled water, then add sufficient distilled water; 2. Connect the charging circuit and begin charging. When the electrolyte density reaches 1.15, drain the electrolyte, replace it with distilled water, and continue charging until the relative density no longer increases; 3. Finally, perform a discharge at the 10-hour rate, then fully recharge the battery and adjust the electrolyte density to the standard value.