Motorola IMPRES Battery Smart Engery System

Motorola’s IMPRES Battery Smart Energy System is a unique battery charging and reconditioning solution that automates battery maintenance, optimizes cycle life and maximizes talk time so your radio system will be charged and ready to go … whenever you need it.



The Intelligent Motorola Portable Radio Energy System (IMPRES) energy system demonstrates an optimal energy system solution, not only for 2-way radios, but the technology can be applied to a wide variety of portable products. It is a tri-chemistry (nickel-cadmium, nickel-metal hydride, lithium-ion), patented technology that was developed by our expert design team. The primary elements of the system are an IMPRES compatible battery and an IMPRES compatible adaptive charger. The system incorporates the following key features:

  • Battery data storage in the battery
  • “Smart” charger with adaptive reconditioning capability
  • Structured priority communication protocol used between the battery and charger

IMPRES compatible batteries perform “smart” battery functions:

The battery has an expandable memory architecture that serves as a repository for all “smart” battery data.

IMPRES compatible chargers are designed to manage charger and battery data and provide periodic battery “fuel gauge” recalibration.

IMPRES compatible chargers also perform battery reconditioning:

  • Automatic adaptive reconditioning by monitoring battery usage data
  • Automatic voltage threshold reconditioning
  • Manual initiation or termination of reconditioning

Automatic reconditioning allows maximum run time without sacrificing battery life to unnecessary charge/discharge cycles associated with manual reconditioning.

The IMPRES system provides the following functions:

  • Record of date of manufacture
  • Unique battery serial number
  • Date of battery initial (“smart”) use
  • Periodic battery fuel tank recalibration
  • Record of battery charge cycles: “smart”, approximated, and recondition
  • Record of initial and current “fuel tank” size
  • Battery end-of-service-life indicator

IMPRES technology can be used to enhance new products by designing the product to provide:

  • Capability to read data over the communication bus
  • Capability to calculate and interpret battery data
  • Means to display battery data to the user


A charger that communicates … Motorola’s impres multi-unit chargers are now available with a two-line LCD display module that communicates important information including:

Battery current capacity and voltage while charging -in real time. Time remaining to complete rapid charging, so you know when your battery will be charged and ready to go. With real-time information displayed on current charge status (charging or reconditioning), battery’s unique serial number, part number, chemistry and a visual alert to inform you on the next reconditioning cycle, you are now in full control.

The individual modular display allows users to retrofit the non-display Multi-unit charger to have either 1 to 6 display according to user’s budget and operational needs.

Staying power …

All impres batteries are built to last. When batteries begin to exhibit reduced performance characteristics, an End of Service indicator on the charger display tells you it may be time to remove the battery from mission critical service. Motorola’s impres Smart Energy System is designed to help you charge batteries to maximum capacity – so they have the power your radio systems require to help you do the job.

Read more about the Motorola IMPRES Battery System on our Web Blog

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