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USAbatteries.com stocks 32 compatible replacement batteries for the Toshiba Satellite series, covering 3,545+ laptop configurations and 63 distinct part numbers. Replacement batteries in this category are priced from $42.99 to $68.99.

The Toshiba Satellite L series was Toshiba’s mainstream value line, sitting between the budget Satellite C series and the premium S and P models, and it ran from roughly 2005 to 2016. Built as affordable all-purpose desktop replacements, these laptops served budget-conscious home users, students, and small office workers across screen sizes from 15.6 inches up to 17.3 inches. The line spans about 3,545 compatible models over more than a decade, with frequent updates to screen size, processor generation, and Intel or AMD chip options.

Satellite L batteries run from 10.8 to 14.4 V with capacities of about 31 to 98 Wh, all lithium-ion, and most use 6-cell packs while some models offered higher-capacity 9-cell options. Part numbers vary widely by sub-series and year, so two laptops that look almost identical can take different batteries. For example, an L655 from the early 2010s uses the PA3817U-1BRS family, while an L50-A from around 2013 to 2014 uses a different pack such as the PA5184U-1BRS. That is why you must match your exact model and original part number.

Always confirm your exact model number and the part number printed on your current battery before ordering.

Sub-Series

Satellite 305

Common Battery Part Numbers

PA5023U-1BRS	10.8V · 58.0Wh / 5200mAh · fits 526 models
PA3819U-1BRS	10.8V · 58.0Wh / 5200mAh · fits 513 models
PA3817U-1BRS	10.8V · 56.2Wh / 5200mAh · fits 330 models
PA3817U1BAS	10.8V · 98.0Wh / 8800mAh · fits 280 models
PA5110U-1BRS	10.8V · 58.0Wh / 5200mAh · fits 148 models
PA5184U-1BRS	14.4V · 31.7Wh / 2200mAh · fits 132 models

Toshiba Satellite Battery Specifications

Voltage range	10.8 V to 14.4 V
Capacity range	about 31 Wh to 98 Wh
Cell chemistry	Lithium-ion (3-cell to 6-cell)
Part numbers in this series	63
Compatible models covered	3,545+
Price range	$42.99 to $68.99

Frequently Asked Questions

What battery does the Satellite 305 use?

The Satellite 305 uses a removable 6-cell lithium-ion battery in the 10.8 to 14.4 V range, with capacity around 31 to 98 Wh depending on the exact configuration. Common part numbers in this family include PA3817U-1BRS, PA3819U-1BRS, and PA5023U-1BRS. Because part numbers vary by build year, check the code printed on your original battery before ordering. Prices for Satellite L replacements run from $42.99 to $68.99.

How do I find the right battery for my Satellite L model?

Find your exact model number, including the digits after the L (for example L655 or L50-A), then match it to the part number printed on your original battery. The Satellite L category covers 63 distinct part numbers across about 3,545 compatible models, so the exact code matters. Look for entries like PA3817U-1BRS or PA5110U-1BRS on the back of your current pack, then confirm voltage (10.8 to 14.4 V) lines up with what your laptop expects.

How much does a Satellite L replacement battery cost?

Satellite L replacement batteries cost between $42.99 and $68.99. Where your battery falls in that range depends on capacity and cell count, since packs span about 31 to 98 Wh and include both 6-cell and higher-capacity 9-cell options. A standard 6-cell unit like the PA3817U-1BRS sits toward the lower end, while higher-capacity packs cost more. Match your exact part number to confirm pricing for your specific model.

Are Satellite L batteries interchangeable?

No, Satellite L batteries are not universally interchangeable. With 63 distinct part numbers across the line and voltages from 10.8 to 14.4 V, a pack built for one sub-series will not always fit or power another. For example, the PA3817U-1BRS used in earlier models is different from the PA5184U-1BRS used in later L50-A builds. Always match your exact model and the part number on your original battery rather than assuming a similar-looking laptop takes the same pack.

What differs between the Satellite L sub-series batteries?

The main differences are voltage, capacity, cell count, and physical fit. Across the Satellite L line, packs range from 10.8 to 14.4 V and about 31 to 98 Wh, with most using 6 cells and some offering 9-cell capacity. Older models commonly use families like PA3817U-1BRS, while later models move to codes such as PA5110U-1BRS or PA5184U-1BRS. Some newer builds use an internal battery that requires opening the case, while earlier ones use a removable bay pack.

Where do I find the battery part number?

The part number is printed on the label of your original battery, typically on the side that faces into the laptop. On removable models you slide the pack out of the bay to read it. Look for a code like PA3817U-1BRS, PA5023U-1BRS, or PA5110U-1BRS. You can also check the sticker on the bottom of the laptop for your exact model number, then use both together to confirm the correct replacement among the 63 part numbers in this category.

Can I replace the Satellite L battery myself?

Yes, on most Satellite L models you can replace the battery yourself. Removable packs like the PA3817U-1BRS slide out of an external bay and lock back in with a latch, no tools needed. Later models from around 2014 to 2016 may use an internal battery in the PA5185U-1BRS style, which requires opening the bottom case and disconnecting a connector. Check whether your model uses a removable or internal pack before you start, and match your exact part number.

What are the signs the battery needs replacing?

Common signs include much shorter runtime than when the laptop was new, the charge dropping suddenly, the system shutting down even when the meter shows remaining percentage, or the battery no longer holding a charge at all. You might also see the laptop run only when plugged in. If your Satellite L pack, such as a PA3817U-1BRS rated around 10.8 to 14.4 V, no longer lasts through normal tasks, it is likely time for a replacement in the $42.99 to $68.99 range.