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Best Laptop Batteries

Updated March 2022
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom line
Pros
Cons
Best of the Best
NinjaBatt Battery for Acer
NinjaBatt
Battery for Acer
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Trusted Brand
Bottom Line

These replacement batteries promise better-than-new power for Acer laptops.

Pros

Fits Acer laptops. Six cell lithium-ion battery rated at 48 wH/4400 mAh/ 10.8 V. Boasts stated full capacity. Fits OEM specifications. Built-in protection against short circuits, overheating, and overload. Rated to last for 500 charge cycles.

Cons

Does not fit all Acer models.

Best Bang for the Buck
AC Doctor Inc. Laptop Battery for Toshiba Satellite
AC Doctor Inc.
Laptop Battery for Toshiba Satellite
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Straightforward Installation
Bottom Line

This laptop battery has several user-friendly features that allow for hassle-free application.

Pros

Specialized for Toshiba laptops. Increases battery life through a quick charging process. Offers a wide compatibility that users can check on the website. An excellent substitute for older batteries.

Cons

May not be as high-quality as the original battery.

Fancy Buying Laptop Battery for HP Spare
Fancy Buying
Laptop Battery for HP Spare
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Safe Charging
Bottom Line

Designed with Grade A cells, this laptop battery provides quick energy without overheating.

Pros

Specialized for HP Spare laptops. Lithium-ion battery supports quick charging with low energy consumption, making it an eco-friendly choice. Grade A materials come with multiple layers of protection to prevent damages.

Cons

Users will have to follow instructions carefully, which can be a bit of a hassle.

Tevelmick M5Y1K Laptop Battery
Tevelmick
M5Y1K Laptop Battery
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Good Fit
Bottom Line

Replacement batteries for Dell laptops that boast identical clasps and fit.

Pros

Designed to fit Dell Inspiron laptops. This 4-cell lithium-ion battery offers 40Wh and 2600 mAh at 14.8 V. Gold-plated interface for stable power transfer. The secure clasp is identical to the original battery.

Cons

Does not seem to hold a full charge longer than 6 months.

TREE.NB Spare 776622-001 Battery for HP
TREE.NB
Spare 776622-001 Battery for HP
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Wide Selection
Bottom Line

These batteries are designed to power a wide variety of HP laptops.

Pros

Boasts 100% listed capacity. Rated to last 500 charge cycles. Lithium-ion technology with 4 cells at 14.8 V, compatible with 14.4 V. Compatible with a wide array of HP laptops.

Cons

Some find the fit isn't as flush as original batteries.

HOW WE TESTED

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

30
Models
Considered
97
Consumers
Consulted
16
Hours
Researched
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