Professional replacement power
Batteries for your devices
anytime, anywhere
Search QMSI replacement battery references for notebooks and specialist equipment. Match the exact printed model, label and connector before ordering.
✓ Exact-reference search
✓ Compatibility review
✓ Human order support
Product center
Batteries for every device
229+
Catalogue references
22
Product brands
10
Site languages
1:1
Compatibility review path
01
Compatibility review
Match the printed part number, device, label and connector before ordering.
02
Product information
Compare the QMSI catalogue image, model and available specifications.
03
Order support
Use one clear route for product, destination and order questions.
04
Wholesale & OEM
Submit the exact models, quantities and destination for a scoped review.
Best sellers
Featured replacements
-
QMSI 11.4V 45Wh 3860mAh Model PA5344U-1BRS PA5344U battery For Toshiba dynabook AZ65/K Series laptop
- Voltage
- 11.4 V
- Capacity
- 45 Wh
-
QMSI 7.4V 68.45wh 9250mAh Model iX104 battery For Xplore Tech C2 C3 C4 C5 C6 Industrial Control Rugged Tablet PC
- Voltage
- 7.4 V
- Capacity
- 68.45 Wh
-
QMSI 11.4V 44Wh 3760mAh Model PA5267U-1BRS PA5267U Battery For Toshiba Portege X20W-D-10Q X20W-D-11N X20W-D1252 laptop
- Voltage
- 11.4 V
- Capacity
- 41 Wh
-
QMSI 11.4V 48WH 4080mAh Model PA5278U-1BRS PA5278U Battery For Toshiba Portege X30-D X30-D-123 X30-D-11U X40-D Notebook
- Voltage
- 11.4 V
- Capacity
- 48 Wh
Buying guidance
Five checks before you order
CHECK 01
Match the complete part number
Include every letter, number, hyphen and suffix printed on the original battery label.
CHECK 02
Confirm the device model
Compare the exact device family and model rather than relying on appearance alone.
CHECK 03
Review the electrical label
Compare voltage, capacity and chemistry only where those details are published and supported.
CHECK 04
Compare shape and connector
Check the housing, mounting points, cable and connector position before ordering.
CHECK 05
Ask when uncertain
Send clear label and connector photos through the compatibility review path.
Support & Tutorials
Product Overview Videos
Watch detailed replacement-battery product overviews and installation references on YouTube. Use each video as guidance, then confirm the exact printed model, label and connector before ordering.