Compaq 228942-001 External Battery Charger Armada 4100.

Compaq 228942-001, External Battery Charger Armada 4100 series. New in retail box. Model: 217933-001. 228942-001. UPC: 743172227188. Charges NiMH and Li-lon batteries. Charges modular and handle type batteries. Charges 2 batteries at once. Space saver design. Attaches to your existing or optional A/C adapter. Free US shipping.