Getting the most from your lead acid batteries – ZOLL SurePower Rev B Charger Station User Manual

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Getting the Most from Your Lead Acid Batteries

9650-0535-01 Rev. B

SurePower Charger Station

Operator’s Guide


Chapter 5

Using ZOLL Rechargable

Batteries Effectively

This chapter describes how you can use ZOLL rechargable batteries most effectively. This
chapter also describes what a Battery Management Program is and how you use it to ensure that
your ZOLL defibrillators always have adequate battery power.

Getting the Most from Your Lead Acid Batteries

The ZOLL 4410/Smart/Smart Ready and XL Battery Packs are lead acid batteries. Lead acid
batteries require full recharging after use. The continuous short-cycle recharging of lead acid
batteries will result in reduced capacity and early battery failure. An effective battery
management plan can maximize the usable life of your batteries by ensuring that the batteries
are correctly recharged.

Replacing Batteries

Several factors contribute to the loss of a battery’s charge capacity: frequency of use, the
number of batteries used, and the pattern of discharging and recharging batteries. Because of
this, it is good practice to replace and discard used batteries on a preventive, scheduled basis.
The most effective preventive replacement interval should be based on anticipated use patterns,
battery pack testing results, and your experience with the device in actual operation. We
recommend battery replacement every eighteen months or sooner.

For more information about battery replacement schedules, contact your ZOLL Technical
Service Representative.

Low Battery Message

As a battery’s capacity diminishes, the amount of operating time remaining after a LOW
BATTERY message will also diminish. For newer or lesser-used batteries, the operating time
remaining after this warning will be significantly longer than the operating time remaining on
batteries that have seen more use. In either case, this warning will ultimately lead to
defibrillator shut-off, and consequently, the low battery should be replaced with a fully-charged
battery as soon as possible.


When a LOW BATTERY message is displayed, replace the battery pack as soon as possible to

ensure continuous defibrillator operation.