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Rechargeable NiMH Battery Pack: 4.8 V, 900 mAh, 4x1 AAA Cells, JR Connector

Vendor's Description: 

This is a rechargeable 4.8 V NiMH battery pack with a capacity of 900 mAh. The pack consists of four AAA cells in a single row and a 4" lead terminated by a “JR”-style connector.