RediPulse Pro-12 Charge/Maintenance System (110 Volt) - Keep Up To 12 New Batteries Factory Fresh All The Time. If you sell, stock or service lead-acid batteries, this Pulsetech product keeps new batteries sulphur deposit free and maintains maximum charge safely. Prevents dead batteries by keeping batteries in like-new condition all the time Helps batteries charge faster and maintain greater reserve capacity Renews dead batteries suffering from sulfation buildup and helps bring them back to life Increases battery life span up to three times longer Prevents the normal loss of battery power on stored vehicles no matter how long they sit unused