CS-FU1720NB : Battery for Fujitsu Esprimo Mobile V5505, Esprim Mobile V5545, Esprim Mobile V6505 and others - Replaces Fujitsu BTP-BAK8, BTP-B4K8, BTP-B5K8 and others Radon 302 4volt 500mAh 25C rechargeable Li-PO

4volt 500mAh 25C rechargeable Li-PO battery for JJRC quadcopters

Milwaukee 0612-26

BT-284342 (many more listed in x-ref section below)

Lenovo ThinkPad P52(20M9A00BCD)

Lenovo Z51-70 80K6003VGE

CS-FU1720NB : Battery for Fujitsu Esprimo Mobile V5505, Esprim Mobile V5545, Esprim Mobile V6505 and others - Replaces Fujitsu BTP-BAK8, BTP-B4K8, BTP-B5K8 and others Radon 302 4volt 500mAh 25C rechargeable Li-POThe CS FU1720NB is a replacement rechargeable battery for Fujitsu products. This battery replaces the following OEM part number(s): Fujitsu BTP BAK8 Fujitsu BTP B4K8 Fujitsu BTP B5K8 Fujitsu BTP B7K8 Fujitsu 60. 4P311. 041 Fujitsu 60. 4U50T. 011 Fujitsu BTP B8K8 Fujitsu 60. 4P311. 051 Fujitsu 60. 4P50T. 011 Fujitsu BTP C0K8 Fujitsu BTP C0L8 Fujitsu BTP C1K8 Fujitsu BTP C2L8 Fujitsu BTP C3K8 Fujitsu BTP C4K8 Fujitsu 60. 4B90T. 061 Fujitsu 0. 4U50T. 011