CS-FL420SL : Battery for Pharos PTL535, PTL535x, PZX65 and others - Replaces Pharos PZX65 DELL Inspiron 15-N3521 The BP-STP446TW is a replacement

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4V battery part number:

CS-FL420SL : Battery for Pharos PTL535, PTL535x, PZX65 and others - Replaces Pharos PZX65 DELL Inspiron 15-N3521 The BP-STP446TW is a replacementThe CS FL420SL is a replacement rechargeable battery for Fujitsu products. This battery replaces the following OEM part number(s): Pharos PZX65 Fujitsu S26391 F2607 L50 Fujitsu 10600405394 Fujitsu PL400MB Fujitsu PL400MD Fujitsu S26391 K165 V562 Fujitsu PL500MB This battery is compatible with the following model(s): Pharos PTL535 Pharos PTL535x Pharos PZX65 Pharos PTL535e Pharos PTL535PB Pharos PTL535P Pharos Traveler GPS 535 Pharos Traveler GPS 535E