IMPRES Li-Ion ultra high capacity battery for XTS 5000 and XTS 3500 portables. IMPRES batteries when used with an IMPRES charger provide automatic, adaptive reconditioning, end-of-life display, and other advanced features. Data is stored in the battery and communicated to the charger via a unique IMPRES communication protocol which is designed to maximize talk-time and optimize battery cycle life â�� all automatically. This is a replacement battery for the discontinued RNN4006 / RNN4006B.
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