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Black rectangular Li-Polymer battery for Toshiba Genio E300 series, 60.50 x 36.31 x 5.02 mm

Centenex Electronics

Centenex Electronics Battery for Toshiba Genio E310 E330 E335 E350 E355 1000mAh handheld pcs accessory

SKU CH-3420-8HNF1

Replacement lithium-polymer battery delivers 3.7V 1000mAh capacity for Toshiba Genio E300, E310, E330, E335, E340, E350 and E355 handhelds

  • Reliable power for Toshiba Genio E300 series handhelds
  • 1000 mAh capacity supports extended mobile use
  • 7 V lithium-polymer chemistry fits original specifications
  • Slim 5.02 mm profile matches factory battery dimensions
  • Replaces OEM part numbers LAB503759C and LAB503759C2

Replacement battery for Genio E300 series

This Centenex Electronics lithium-polymer cell replaces the original LAB503759C pack in Toshiba Genio E300, E310, E330, E335, E340, E350 and E355 handheld PCs. It delivers 3.7 V and 1000 mAh capacity in a new, OEM-compatible unit. The black pack measures 60.50 x 36.31 x 5.02 mm and fits the existing battery bay without modification.

Thermals noise and power draw

Li-Polymer chemistry keeps self-discharge low and maintains steady voltage during typical PDA workloads. The cell produces no audible noise and adds negligible heat to the handheld chassis. Normal charging and discharging cycles stay within the 3.7 V nominal rating.

Build quality and daily use

The slim 5.02 mm profile matches the original form factor so the device lid closes flush. Connector polarity and pin pitch align with the factory socket for a secure, tool-free swap. One battery is included per pack, ready for immediate installation.

Highlights

  • Reliable power for Toshiba Genio E300 series handhelds
  • 1000 mAh capacity supports extended mobile use
  • 7 V lithium-polymer chemistry fits original specifications
  • Slim 5.02 mm profile matches factory battery dimensions
  • Replaces OEM part numbers LAB503759C and LAB503759C2

Specifications

BrandCentenex Electronics

Questions about this item

How is the Centenex Electronics battery installed in the Toshiba Genio E310, and which step is often missed?

Power off the device, remove the rear cover, disconnect the old pack, connect the new LAB503759C battery, then replace the cover and power on; the step often missed is fully seating the connector before closing the case.

What maintenance or replacement will the 3.7V 1000mAh Li-Polymer pack need over time?

Li-Polymer cells lose capacity with each charge cycle; when runtime drops below useful levels the only remedy is to swap in a new LAB503759C pack.

What limit appears first during sustained use of this 1000mAh battery in a Genio E330?

The 1000mAh capacity sets the runtime ceiling; under continuous load the pack will reach its discharge limit and require recharging before any thermal or voltage threshold is hit.

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