Motorola battery charger adapter inserts are available for APX 7000, APX 6000, and APX 4000 P25 radios. The adapters enable you to use your old IMPRES WPLN4111 single and multi-unit charger chargers with new APX models. 

Motorola APX 6000 and APX 7000 Models 

1. The single unit battery adapter for the WPLN4111 IMPRES charger is the NNTN7687A at a cost of $39 each. Designed to fit the WPLN4111 and WPLN4114 charger base normally used for XTS 5000, XTS 2500, XTS 1500, MTS2000, HT1000, PR1500, MT1500 radios.
   
2. The multi-unit charger adapters are sold as a six pack under model number NNTN7686A at a cost of $195 per charger. Compatible chargers include the WPLN4108, WPLN4121, WPLN4181, and WPLN4130.

Motorola APX 4000 Models

1. The single unit battery adapter for the WPLN4111 IMPRES charger is the NNTN8169A at a cost of $39 each.
2. The multi-unit charger adapters are sold as a six pack under model number NNTN8170A at a cost of $195 per charger. Compatible chargers also include the WPLN4108, WPLN4121, WPLN4181, and WPLN4130.