Battery charger and battery analyzer experts

Cellular phones

Batteries are blamed for almost all problems. To satisfy the customer, the pack is replaced, often without testing. This liberal battery-return policy costs thousands of dollars. The Cadex C7000 Series battery analyzer helps reduce costs by checking and restoring the batteries in stores or at service centers.

Check batteries in 30 seconds
90% of returned cell phone batteries can be restored and returned to the customer. This storefront service improves customer satisfaction and redusec expenses.

The Cadex C7000 Series battery analyzers makes this service possible with QuickSort™, a program that checks cell phone batteries in 30 seconds and sorts them to:

Good, pack can be returned to customer

Low, suspect; full service recommended

Poor, faulty; replace pack

What batteries does QuickSort™ test?
QuickSort™ accommodates 3.6V lithium-ion batteries with capacities of 500-1500mAh. The test is simple – just select QuickSort and connect the battery. If testing batteries outside the designated test range, contact service@cadex.com assistance.

Who should use QuickSort™?

Cellular stores- To check warranty returns. Only batteries with genuine faults need replacement.

Refurbishers- To sort and restore batteries.

Fleet users- To track aging batteries and verify minimum performance levels.

How does QuickSort™ work?
QuickSort™ is based on the electrochemical dynamic response of the battery rather than resistance. Resistance cannot provide reliable runtime estimations because some batteries retain low resistance with cycling and aging. Capacity is essential.

Electrochemical dynamic response can be compared to a mechanical arm under load. A strong arm remains firm whereas a weak arm bends and becomes sluggish when activated. The battery acts in a similar way.

Does the battery need to be fully charged?

The battery should be 40 to 100% charged. If too low, QuickSort™ prompts the user to charge and retest.

How accurate is QuickSort™?

QuickSort™ provides a correct prediction 90% of the time. The program uses a generic matrix that works with all designated batteries, including cobalt and manganese systems.

Service model for Stores
A customer has a battery problem. The clerk checks the pack with QuickSort™ and if suspect, gives a replacement from the pool of tested batteries. The returned battery is then examined and serviced with the Cadex analyzer.
90% of warranty batteries can be restored and reused. Stores say that refurbished batteries have the same return rate as new packs. Onsite service lowers replacement costs, courier charges and disposal fees.

Wake up seemingly dead batteries
A high number of batteries fail due to over-discharge. The Boost program of the Cadex C7000 Series battery analyzer activates the battery’s safety circuit and brings the pack back to life. Our tests revealed that 30% of returned batteries fail due to over-discharge. Boost takes less than one minute to restore a battery. A full charge will be needed after boost.

Pilot Study with 10 Cellular Stores
Typically, U.S. cellular stores get an average of ten returned batteries a day at a handling cost of about $15US per pack. This amounts to a daily expense of $150 per store. Trying to cut costs, ten stores participated in a one-month experiment that involved servicing incoming batteries with Cadex battery analyzers. During this short study period, the stores saved 1981 batteries that resulted in a saving of about $30,000, not to mention the environmental impact of being able to reuse the batteries.

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