The Cellboost is a disposable battery charger that comes in different models, each with a different plug to fit a different type of cell phone. They are very easy to use - just plug them in to the phone. They are also relatively inexpensive - street prices of about $6 each. Best of all, they work as promised, giving 60 minutes or extra talk time, and up to 60 hours of standby time.

Only use approved battery chargers specific to the cell phone model. These cell phone devices are designed to provide maximum cellular battery life. Replace the cellular battery when it no longer provides acceptable performance. Modern battery analyzers are equipped with rapid-test programs that assess the battery state-of-health in a few minutes. Some analyzers (Cadex) offer boost program to wake up seemingly dead batteries because regular chargers can no longer recharge these packs. The service takes only a few minutes.

Depending on your phone usage and personal preferences, you might want to consider upgrading to a different type of battery if your phone is either too bulky or doesn‘t give you enough usage and standby time between charges. Overcharging a battery or storing it at extremely high or low temperatures, can make you wear it out. Even properly maintained and charged batteries eventually lose the ability to hold a charge. The average battery can be recharged 200 to 400 times.