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From then to now: The advancements in laptop battery types

With the progressive, innovative advancements in tech-savvy portable gadgets, notebooks, laptops, the batteries are no exception. Over the years, the seamless evolution of versatile laptop battery types has resulted in the meticulous fabrication of high-capacity cell technology with a punch of pack development advancements to optimize the laptop's performance infallibly. Moreover, it grants you the ability to access your data efficaciously without needing to plug in the device. The urban laptop batteries have:

  • Longer battery life
  • High energy density batteries to prompt mobility
  • Upgraded safety and quality

Types of laptop batteries

To help you make a smart decision about this vital hardware, we have elaborated versatile technologies imbued in the different types of laptop batteries. With three common types of laptop batteries on stage and one waiting under the wings, the latest devices can keep you on the go for longer hauls. 

Nickel Cadmium (NiCad)

The old school hardware is the pioneer of the first rechargeable laptop batteries ever. Once the mainstay of the notebook design, this laptop battery type was first diligently designed by a Swedish scientist in 1899. Since then, this common type of laptop battery has undergone progressive developments over the decades. 

The hefty structure boasted a battery life of 1500 cycles, indicating that this sturdy battery type for a laptop could charge and discharge 1500 times before running out. Unfortunately, the NiCad cells carry enough power to keep the system running for an hour as they contain toxic cadmium, making them rigid to dispose of. Nonetheless, the vigilant experimental analysis yielded that these laptop battery types are prone to memory effects; over time, the battery loses the ability to hold a complete charge. This phenomenon is attributed to the battery’s elements crystallization that reduces the lifespan to three times, lasting the battery up to 500 cycles. 

The NiCad battery composition prompts:

  1. Nickle (III) oxide-hydroxide positive electrode plate
  2. Cadmium negative electrode plate
  3. Separator
  4. Potassium hydroxide electrolyte


  • Cost-effective
  • Charges aptly
  • Easy to store
  • Functional at declining temperatures


  • Middling shelf-life; self-discharges while in storage
  • Less power potential
  • It contains hazardous metals that are detrimental to the environment's sustainability.

 Nickel metal hydride (NiMH)

The second-generation energy storage includes NiMH batteries. The composition and chemistry of these laptop battery types paved the path to replace the first-generation NiCad batteries in 1987. The urban take on the old school powerhouses, this common laptop battery, exudes a more refined technological expansion. These rechargeable batteries can still be found in old model laptops. They prompted a comparatively reliable apprehension due to the relatively higher output holding up to 40% more power and less susceptibility to memory effects. But even then, the crystals gradually build-up, preventing you from charging them completely without being able to discharge entirely just to restore their original capacity. These nickel-containing battery types for a laptop can only be recharged up to 200 times which is half of what innovative battery designs can proffer. The sustainable chemical composition flaunts an eco-friendly stance compositing: 

  1. Nickel hydroxide positive electrode plate
  2. Hydrogen ion negative electrode plate
  3. Alkaline electrolyte; potassium hydroxide


  • Require less maintenance and conditioning
  • High power potential
  • Resist overcharging  and over-discharging 
  • Lightweight structure prompting comparatively sleek designs
  • Eco friendly


  • Comparatively expensive
  • Cannot resist high and low temperatures
  • Quick self-discharge while in storage
  • Cut powers instantly instead of slow trickle down

Lithium-Ion (LiON)

LiON is the new generation portable power type of laptop battery that has been in the mainstay since the early 1970s. Pioneering work with the LiON commenced in the early 1900s under the supervision of G.N Lewis. Lithium is the lightest metal in the periodic table, flaunting exuberant electrochemical potential prompting twice the energy density of the standard nickel-cadmium. With no memory effect, this proficient laptop battery type doesn’t lose the capacity to charge if it is not fully drained. The ultra-thin, sleek design and sturdy composition endeavor to proffer the most maintained full health 500-1200 charge cycles. The sustainable battery type for laptops delivers more than 40%, more capacity than the predecessors. Prompting an exponential shelf life, the powerhouse has minimal self-discharge during storage. 


  • Higher potential capacity till date
  • Minimal self-discharge while storage
  • Low Maintenance
  • Controller chips embedded in each battery avoid overcharging 


  • This laptop battery type is exorbitant due to its valuable composition
  • Prolong charging can damage the battery
  • Requisites protection circuit to maintain voltage and safe usage.
  • Despite being a top-notch hi-tech product, this laptop battery type is subjected to aging, even if not in use. 
  • Extreme climatic changes can yield permanent capacity loss

Are laptop batteries lithium-ion or lithium metal? 

Researchers are diligently working on improving the alternatives to lithium-ion batteries due to certain limitations. Most Lenovo models have introduced the advanced lithium metal laptop batteries types that hold a substantial grail of battery chemistry due to exponential capacity and energy density in the same volume prompting apt charging at full tilt.

Which type of battery is in my laptop?

While aging is inevitable, the deterioration of every laptop battery type causes laptops to run slower than usual due to build-up resistance in the battery, however, these tips will maximize laptop's battery life. If your system faces a substantial slow down, it requires the best battery laptop replacement to get back to its initial proficiency. Are you wondering how, then look no further than your laptop battery type!  

Take a look

The quick way is to unplug the device and remove the laptop battery type from their system to get the printed details, including the laptop battery model, serial number, and voltage.  

Many laptop manufacturers facilitate the audience with ample details on their websites pertinent to battery models, part numbers. You can also get the link to purchase a new battery from a genuine retail site. With a plethora of options in the mainstream market, be wary of counterfeits. It is highly advisable to get your hands on the best laptop battery replacement specifically made by or authorized by the manufacturer. 

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