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Gray rectangular lithium-ion battery pack with label showing 10.65V 5700mAh

NShi

NShi CF-VZSU48 laptop battery 10.65V 5700mAh for Panasonic Toughbook CF-19

SKU CH-MRVY-3811X

A 10.65V 5700mAh lithium-ion replacement battery compatible with Panasonic Toughbook CF-19 MK1 through MK8 series

  • Battery TypeLithium Polymer
  • Lithium-ion chemistry delivers 5700mAh capacity for extended runtime
  • 65V output matches original Panasonic specifications exactly
  • Replaces six OEM part numbers including CF-VZSU48 and CF-VZSU50
  • Fits every CF-19 MK1 through MK8 model without modification
  • Rated for up to 500 recharge cycles over battery life

NShi CF-VZSU48 Replacement Battery

This 10.65V lithium-ion pack delivers 5700mAh capacity for Panasonic Toughbook CF-19 MK1 through MK8 models. It replaces part numbers including CF-VZSU48, CF-VZSU48U and CF-VZSU50. The gray battery uses Grade A cells and carries CE, RoHS and FCC certification.

Sustained Load Behaviour

The manufacturer rates the pack for up to 500 recharge cycles over its service life. New cells require three to four full charge and discharge cycles, taking roughly seven to eight hours each, before lithium-ion chemistry reaches maximum capacity. After this conditioning the battery maintains stable voltage under continuous discharge.

Installation And Common Issues

The battery fits directly into the CF-19 bay without tools and matches the original form factor. First-time users often skip the initial conditioning cycles, which reduces runtime until the process is completed. Buyers needing a higher capacity than 5700mAh or a different voltage will not be served by this model.

Highlights

  • Lithium-ion chemistry delivers 5700mAh capacity for extended runtime
  • 65V output matches original Panasonic specifications exactly
  • Replaces six OEM part numbers including CF-VZSU48 and CF-VZSU50
  • Fits every CF-19 MK1 through MK8 model without modification
  • Rated for up to 500 recharge cycles over battery life

Specifications

Battery TypeLithium Polymer

Questions about this item

How much heat or noise does the 10.65V 5700mAh battery produce during continuous daily use?

The battery is a passive lithium-ion pack with no moving parts, so it generates no audible noise and only minimal warmth during normal charge and discharge cycles.

Which Panasonic Toughbook CF-19 part numbers must my laptop already use for this replacement to fit?

It replaces part numbers CF-VZSU28, CF-VZSU48, CF-VZSU48U, CF-VZSU48R, CF-VZSU50 and CF-VZSU58U across MK1 through MK8 series units.

Will the CF-VZSU48 replacement work alongside the original charger and docking station I keep for my MK3 unit?

Yes, the battery matches the original 10.65V specification and connects through the same bay, so existing chargers and docks remain fully compatible.

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