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 Lenovo Z51-70 80K6003VGE

Lenovo Z51-70 80K6003VGE

Nightstick NSR-9500

Sanyo DMX-CG11G

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

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 Lenovo Z51-70 80K6003VGEThe 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