4KR1100-OPTO-JST : 4.8v Battery for Optoelectronics frequency counters/analyzers. ZUMO 665 JVC GR-X5E

JVC GR-X5E

Picture show both sides of the battery

250 pcs of SANYO-brand CR2025 Lithium 3-volt primary coin batteries

KENWOOD stopped making this model about 20 years ago

4KR1100-OPTO-JST : 4.8v Battery for Optoelectronics frequency counters/analyzers. ZUMO 665 JVC GR-X5E4. 8 volt 1100mAh rechargeable Ni Cd Battery pack for Optoelectronics frequency analyzers and counters. Has white JST connector. See picture to verify that the connector matches the one on your battery (OPTO ELECTRONICS packs were made a few different conenctors, based on the particular FA model). Battery pack dimensions: 2" tall, 2. 5" across, 0. 6" thick. Assembled in USA by Batteries America.