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Rectangular black lithium-ion laptop battery with six cells and label showing 11.1V 5200mAh

Junchi

Junchi 6-cell 11.1V 5200mAh laptop battery PA3817U-1BRS

SKU CH-T2VG-MK17V

A 6-cell lithium-ion battery rated at 11.1 volts and 5200 mAh, compatible with Toshiba Satellite models including A665, L645, L755 and P745 series

  • Battery typeLithium-Ion
  • Extended runtime with 6-cell 5200 mAh lithium-ion design
  • Reliable power at 11.1 V, compatible with 10.8 V systems
  • Fits Toshiba Satellite A665 M645 L645 L755 P745 series
  • Replaces PA3816 PA3817 PA3818 PA3819 and PABAS 227 228 229 230
  • Certified CE RoHS FCC with built-in circuit protection

Junchi 6-cell 11.1V 5200mAh Li-ion battery

This Junchi replacement battery uses six lithium-ion cells rated at 11.1 volts and 5200mAh. It matches the PA3817U-1BRS part number and the listed compatible Toshiba Satellite models. The unit is new and carries CE, RoHS and FCC certifications with built-in circuit protection.

Fits PA3817U-1BRS and related part numbers

The battery replaces Toshiba PA3816U, PA3817U, PA3818U and PA3819U series packs including PABAS227 through PABAS230. It suits owners of Satellite A665, M505, M645, L645, L755, L775D and P745 models. Buyers with different part numbers or laptop series should verify compatibility before purchasing.

6-cell 11.1V 5200mAh capacity specification

The six-cell 11.1V 5200mAh rating determines runtime and physical fit for the supported Satellite chassis. Voltage compatibility at 10.8V is noted for original packs rated at that level. Confirm the original battery part number matches the supported list to ensure correct installation.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $24.99
Cheaper than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLithium-Ion

Questions about this item

Which Toshiba Satellite model numbers confirm the PA3817U-1BRS battery will fit my laptop?

The battery is listed for Satellite A665, A665-S5170, A665-S6050, A665-S6086, M505-S4940, M645-S4050, M645-S4070, L645, L755-S5277, L775D-S7222 and P745-S4102.

Will this 11.1 V 5200 mAh pack work in a machine that originally shipped with a 10.8 V battery?

Yes, the specification states 11.1 V with 10.8 V compatible, so it replaces the lower-voltage original without modification.

After installation, how can I verify the battery is charging and reporting capacity correctly?

Check the OS power meter for a rising charge percentage and confirm the reported design capacity is close to 5200 mAh.

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