Top 5 Signs Your Cell Phone Needs a New Battery

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Good screen size? Check. Hundreds of downloadable apps? Check. Tons of memory? Sure thing. Great battery life? Not so fast. One of the biggest pain points for mobile phone users these days is battery life. While 8-10 hours of power seems at first blush to be a remarkable improvement over just a few years ago, a few long conversations with your bestie and a couple hours of Netflix binge-watching will drop that battery LED or on-screen meter down to zero in no time. Thankfully, external batteries and power banks from brands such a Mophie and Plantronics can give you extra juice when needed. 

But what if you've just charged your Samsung or other smartphone and still aren't getting any juice? That could indicate you need either a replacement battery or replacement phone. While the vast majority of smartphones today use rechargeable lithium ion, or Li-ion batteries, they're not created equally. Like all rechargeables, cell phone batteries eventually lose their charge faster over time or don't take a charge at all. There are several ways to determine if the cell phone needs a new battery.

 
1 The Phone is Dead

This may be an obvious one. Either you accidentally damaged your phone by dropping it or dunking it in water for too long, or the battery is dead. If you've eliminated the first as a culprit, check to see if it shows no sign of power - nothing lights up, no sound, nada. If the phone shows no signs of life after charging with a reliable charger, it's time to call it: your battery is dead. There is a good chance that the battery may need to be replaced. Some manufacturers like Samsung sell models that let the user replace a battery with a Samsung OEM Original Standard Battery or a third-party brand that is compatible. The Samsung Galaxy S III and Samsung Galaxy S5, for instance, have this option, while the newer Samsung Galaxy S7 does not. Apple, another top manufacturer, keeps batteries behind a sealed case with the iPhone 6s and earlier models. You have to take the phone into an authorized store for repair or replacement.

 
 
2 The Phone Only Shows Power When Plugged In

If the battery is bad, it does not hold a charge to power the phone from its stored energy. However, if the phone functions properly, the phone may still power up when a power source is connected. If the phone does not power up after it has had time to charge thoroughly, it is more than likely time to get a new battery, or you can purchase an external battery like the Mophie or USB-powered devices that use lithium-polymer technology to deliver 3000 mAh or more capacity to your phone - good for many hours of average use.


3 The Phone Dies Quickly

The phone may charge for the recommended amount of time, show a full charge, and then die long before those 10 hours manufacturers advertised. Don't forget about usage. Those advertised times typically are for average usage; manufacturers like Apple and Samsung may say in the fine print what they battery life is if you're playing video all day long - or they may not. If you're a digital gamer, listen to Spotify or iTunes all day, surf the Web frequently or are simply in an area where service is so poor that your phone is constantly "turning on" to find a signal from a cellular tower, expect your battery to drain faster than advertised. Either plug the phone in where possible and use it while charging or consider purchasing a power bank. If none of these situations apply and your phone still dies quickly after a full charge, the battery probably is bad and needs to be replaced.  


4 The Phone or Battery Starts to Feel Hot

Rechargeable batteries inevitably generate heat as they charge. However, most rechargeable batteries internalize the heat, thereby shielding it from becoming noticeably hot. If it starts to become hot to the touch, it may be time to consider a new battery. Then, too, consider the ambient temperature near your phone. A hot sun might be the culprit.

 

5 The Battery Bulges

Sometimes, when a battery goes bad, the internal cells rupture, and cause a bulge to appear in the battery. You see this when you hold the battery up or see a bulge on the casing. Additionally, a bulge makes it able to spin like a top when placing the battery on a flat surface.


Is It Worthwhile to Replace a Cell Phone Battery

Without a battery or other form of power, a cell phone is worthless. Is it worthwhile to replace a cell phone battery? Maybe. If you have an old phone that's not in the best condition, a dead battery may be a symptom of thing to come if you hang onto the device. It may not be worth getting a new battery, only to have the phone give out a few days or weeks later. However, if the phone is in good condition and fits your needs, it may be beneficial to purchase a new battery to get it up and running again.

Types of Cell Phone Batteries

There are several different types of cell phone batteries available. There are benefits to each type of battery. It is best to determine the optimal option for the phone's needs, as well as the person using the phone.

Battery Type

Pros

Cons

Price

 Nickel Cadmium (NiCd)

Inexpensive

Poor battery life

Not environmentally friendly

Memory effect

$

Nickel Metal Hydride

(NiMH)

Better for environment

Longer battery life

Memory effect

$$

Lithium Ion (Li-Ion)

Rechargeable

Even longer battery life

No memory effect

More money upfront

Requires a charger

Possibly damaged from overcharging

$$$

Lithium Polymer (Li-Poly)

Rechargeable

Even longer battery life

No memory effect

Lightweight

More money upfront

Requires a charger

Possibly damaged from overcharging

$$$$

Make sure to read the user manual for your phone. Many only take a certain type of battery. Phones that get a replacement cell phone battery of the wrong type can be prone to fire or other damage. 

Choosing an eBay Seller

The fact that eBay hosts sellers from all around the world makes it easy to score deals on replacement cell phone batteries and external batteries and power banks. You can choose a seller among eBay's Top Rated Sellers in a mobile phones and accessories search for things like batteries, flash memory cards and power banks. This gives you the benefit of being able to do business with eBay's best sellers. 
Another determining factor in choosing a seller may be location. Some sellers offer free local pickup if you are close enough to the seller's location. You are able to filter your search results by location for your convenience. Sometimes, sellers even offer free shipping as a way to get new customers.

Conclusion

While cell phone batteries have come a long way in terms of both longevity and average life, their performance can be variable. The easiest way to see if your battery needs to be replaced is if you can check its condition or swap it out for a spare. If you have an iPhone, you'll likely have to take it into an Apple store or authorized repair shop for a replacement, but if you've got a phone that lets you replace the battery yourself, eBay is a good place to score deals. One last tip: batteries are classified as hazardous waste. You shouldn't simply toss them in the trash. Look for recycling centers or online sites when you can send old batteries for disposal. 

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