When your battery dies, resist the temptation to toss it. Instead, resurrect it and get an accurate diagnosis, with the CTEk Mus 4.3 Test & Charge Battery Charger. 
This charger and alternator team up to power, extend, restore, and maintain all lead-acid batteries. With this charger's help, you might find your batteries have a lot of life left. 
Aside from restoring batteries, this 8-step cycle gauges, restores, charges, and manages the levels, so you don't have to. Just plug the charger in and go. 
This charger even works when the battery isn't working. During inactivity, the charger's 3 unique programs will continue to oversee and maintain your battery's effectiveness. 
Don't throw up your hands. Don't throw away that dead battery. Bring it back to life with the CTEk Mus 4.3 Test & Charge Battery Charger.