Cameron & Co
Cameron & Co DS-CS-TOZ300NB laptop battery 3.35 Ah
Replacement lithium-polymer battery rated 3.35 Ah for a wide range of Toshiba Portege Z30 series ultrabooks
- TypeBattery
- Compatible with many Toshiba Portege Z30 models
- Li-Polymer chemistry for reliable power
- 35 Ah capacity supports extended use
- Black finish matches original laptop design
- Replaces Toshiba part PA5136U-1BRS directly
Compatible Toshiba Portege Z30 models
This Cameron Sino replacement battery fits a wide range of Toshiba Portege Z30 and Z30-A ultrabooks. It matches the original PA5136U-1BRS and S02M part numbers. The lithium-polymer cell delivers 3.35 Ah capacity in a black housing. It restores mobile power for daily productivity.
Upgrading from a depleted original pack
When the factory battery no longer holds a useful charge, this unit restores full runtime without modifying the laptop. The swap is worthwhile once the original cell drops below half its initial capacity or shows swelling. No firmware update or hardware change is required for the replacement.
Check your exact model number before ordering
Verify that your device appears in the supported list such as Portege Z30-A-1CX, Z30-A-18J or Z30-B variants. Confirm the original battery label reads PA5136U-1BRS or S02M for a direct fit. Ensure the laptop chassis accepts the same physical dimensions as the original pack.
Highlights
- Compatible with many Toshiba Portege Z30 models
- Li-Polymer chemistry for reliable power
- 35 Ah capacity supports extended use
- Black finish matches original laptop design
- Replaces Toshiba part PA5136U-1BRS directly
Specifications
| Brand | Cameron Sino |
|---|---|
| Model | DS-CS-TOZ300NB |
| Type | Battery |
Questions about this item
What battery connector does the DS-CS-TOZ300NB use to fit the Portege Z30?
It uses the original S02M PA5136U-1BRS connector so it slots straight into the Z30 battery bay.
Which screw holes must line up when installing the DS-CS-TOZ300NB in a Portege Z30?
Align the two captive screws on the battery with the matching posts on the chassis before pressing the pack down.
When should the DS-CS-TOZ300NB be replaced in a Portege Z30?
Replace it when the 3.35 Ah pack no longer holds a useful charge or the system reports a battery health warning.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
Kensington Desk Mount Cable Anchor K64613WW accessory
- Black
- Provides a secure a…
Panasonic CF-VDR291U laptop cooling pad
- Optical Drive
- Buffer Size: 2 MB B…
eReplacements PB992A-ER laptop battery 14.4V
- Battery
- Lithium-Ion



