The best replacement battery for Galaxy S6 will do a lot for you – when you choose the right one.
Having the wrong battery can not only be inconsistent and unreliable but also dangerous!
Choosing a battery needs some careful attention and clear thinking, not because of the cost, but because of the potential consequences, it carries.
It’s possible to get some batteries that sound amazing on paper, but simply don’t live up to their claims in the real-world.
I’ve taken the time to comb through countless batteries that offer you a fine balance between safety, real-world performance, cost, and features.
It’s taken a fair amount of time and careful perusing so that you can make an informed choice.
I’ve tried to include some options that cater to different needs and uses – from causal use through to intense gaming and media consumption. You’ll find something that matches your needs.
The Galaxy S6 is a very well designed and durable phone that’s still relevant today. It’s fast enough to use in 2021 – but battery life will be your biggest obstacle.
This guide helps you choose a battery that complements the S6 and helps you get more life and use out of your device – at a super affordable price.
We’ll also take a look at what a liked and didn’t like about each battery, and what you can realistically expect from it.
Let’s get into the guide!
Table of Contents
Comparison of 5 Best Replacement Battery for Galaxy S6 in 2021
| Image | Product Name | Features | Price |
|---|---|---|---|
 | S&MO Replacement Battery for Galaxy S6 |
| |
 | X-Longer Replacement Battery for Galaxy S6 |
| |
 | DDONG Galaxy S6 Replacement Battery |
| |
 | NewPower99 Battery Replacement Kit |
| |
 | URS2GO Battery Replacement with Screwdriver Set |
|
Here Are the 5 Best Replacement Batteries for Galaxy S6 Reviewed
1 S&MO Replacement Battery for Galaxy S6
- Capacity: 2850mAh
- Weight: 1.41 ounces
- Cell Grade: A+
- Input/Output: 3.85V/1A
- Protective Case: No
This replacement battery manages to offer you more than the OEM battery in terms of charging speed and capacity.
The 2850mAh capacity should be enough to get most people through a full day of moderate use. I found that one the days I had more free time, it lasted me well into the night – and sometimes even to the following morning.
If you’re consuming lots of media and streaming YouTube videos then you’re going to get less time between charges.
I found that the battery didn’t heat up too much when using the original Galaxy S6 charger. This wasn’t the case when I tried to use my spare charger. The battery heated up significantly more, but not too dangerous levels.
Make sure you use the original charger and let the device rest for a couple of minutes if the battery gets too hot.
It’s lightweight and durable as far as I could tell. It seemed to have a decent build quality and won’t show too many signs of swelling over time.
There is a slight variation in the actual sizes of the batteries due to slight differences in human measurement. Despite this, it’s still an excellent Galaxy S6 replacement battery at this price.
- Build quality seems durable and built to last
- Decent capacity for the weight and cost
- Charges faster than the OEM battery
- Thin and lightweight – good for using as a spare battery
- Heats up a fair bit when discharged quickly or charged with a non-original charger
- Loses quite a bit of charge when stored or idling
2 X-Longer Replacement Battery for Galaxy S6
- Capacity: 2550mAh
- Weight: 2.08 ounces
- Cell Grade: A+
- Input/Output: 3.8V/1A
- Protective Case: No
This replacement battery for Galaxy S6 has a slightly lower capacity and is a little heavier than the above model.
This isn’t necessarily a bad thing as it makes up for it with its longevity and overheating protection.
I noticed that this battery very seldom got really hot. When I used it with my fast charger, the heat and charging speed was regulated well and kept within comfortable ranges.
If you’re worried about battery overheating and possible overcharging, then this could be the best replacement battery for Galaxy S6 for you.
It’s compatible with almost all the versions and carriers models of the Galaxy S6 which I found helpful to know. It can be tricky to find out which version you have and then looking for a suitable battery.
It’s a very solid battery that holds its charge well when not being used or when being stored as a backup battery.
It’s for this reason that I’d suggest you use this as an emergency spare as the capacity isn’t quite as high as many competitors.
- High-grade protection
- Solid build that feels durable
- Hold its charge well when not being used
- Doesn’t get too hot under heavier use and faster charging
- The unit is heavier than most batteries with this capacity
- Capacity may not be enough to get you through a full day of moderate to high use
Also Read: Best Screen Protectors for Galaxy S5 in 2021 – That Actually Work
3 DDONG Galaxy S6 Replacement Battery
- Capacity: 2550mAh
- Weight: 2.08 ounces
- Cell Grade: A+
- Input/Output: 3.8V/1A
- Protective Case: No
You’ll get decent battery life from this replacement battery for Galaxy S6.
It’ll be enough to get you through most of the day if you’re a moderate user that doesn’t binge YouTube and play too many games.
It’s pretty heavy coming in a little over 2 ounces. This is more than most batteries at this capacity. This isn’t necessarily bad news as it uses the extra weight wisely.
Protection is top quality and consistent in my experience. Charging was faster than average, but in reality, it’s nothing noticeable.
The battery does pretty well holding a full charge for a couple of days without use. It’ll drain a little but it’s not significant enough to draw attention.
The internal chip regulates the temperature and charging excellently. You’ll be able to leave it charging overnight (although I don’t recommend you do) and not worry about it becoming a time bomb.
There are slightly fewer charge cycles with this battery, but it’s still going to last you at least a year if you’re an average user.
It’s not the perfect Samsung Galaxy S6 replacement battery, but it’ll get the job done consistently and satisfactory – an overall solid and balanced choice.
- Solid and robust – great for carrying as a spare
- Good overcharging and overheating protection
- Longer life than other batteries with the same capacity
- Comes with a handy repair toolkit
- Fewer effective charge cycles before it needs to be replaced
- Same weight as higher capacity batteries
4 NewPower99 Battery Replacement Kit
- Capacity: 2550mAh
- Weight: 3.36 ounces
- Cell Grade: A+
- Input/Output: 3.8V/1A
- Protective Case: Replacement kit
The kit comes with a 2550mAh battery and has all the tools you’ll need to revive a dead or damaged Galaxy S6.
If you want to learn how to replace a battery on Galaxy S6 smartphones, this kit includes instructions and a walkthrough video to teach it all to you.
Despite knowing my way around a replacement kit, I still learned quite a few things – you probably will too if you give it a little time.
This adds to the value you’re getting here. The battery itself ticks all the boxes and delivers good quality performance and better than expected longevity.
It’s pretty easy to lose the individual tools in the kit and the admittedly aren’t the highest quality options out there – but it’ll do what you need.
This kit sticks to being as useful as possible and doesn’t add too many useless options.
- Good variety of tools to replace any Galaxy S6 battery
- The battery has good longevity and number of charge cycles
- The instructional video is very educational
- The battery is lightweight and easy to install
- Tools aren’t the highest quality and are easy to lose
- More significant cost – though it’s still valuable
5 URS2GO Battery Replacement with Screwdriver Set
- Capacity: 5740mAh
- Weight: 5.0 ounces
- Cell Grade: A+
- Input/Output: 3.8V/1A
- Protective Case: 15-in-1 screwdriver
This battery is a real powerhouse. It has a capacity far higher than most replacement batteries on the market.
Surprisingly though, that’s not the major feature of this battery, it’s actually the safety and overcharging protection you’re getting along with the high capacity that makes this such a good deal.
It’s a little more expensive and it’s pretty heavy, but this is the trade-off you’ll need to make for all that extra juice.
It’s the best replacement battery for Galaxy S6 if you’re looking for hard-to-beat performance and value for money.
You’ll easily get a full day without needing to charge, even if you’re a heavier user.
I personally prefer using this model as my primary battery and then carry around a smaller and lighter one as a backup.
How long does the Galaxy S6 battery last? If this is an important question for you, then this battery might be your answer!
It’s seriously a beast and will even outlast more modern phones and their OEM batteries.
- Huge capacity gives you massive value for your money
- Attention to safety makes this very reliable
- 15-in-1 screwdriver is super-useful
- Doesn’t take as long to charge as you’d expect
- Longevity isn’t as cold as it could be and there are fewer effective charge cycles
- Noticeable heavier than most batteries
Frequently Asked Questions (FAQ)
Q: How long do I need to charge a new battery?
A: This depends on the charge in the battery when you first receive it. If it’s low, then I’d suggest you charge it for around 8-10 hours. Otherwise, a 6 hour charge will do. Although ion-lithium batteries don’t need you to completely drain the battery before the first charge, you may want to go from 100% to a full discharge for the first 3 charges. After this, you’ll be good to go.
Q: What does it mean if my battery is getting hot while charging or using?
A: Batteries naturally heat up when being charged and when being drained. The amount that it heats up and how quickly it does so will depend on the wattage of the charger and the intensity of your use. Gaming and streaming will heat up the battery more than light use, and using a fast charger will heat the battery more an ordinary charging block. If the battery is getting excessively hot, often the in-built chip will intervene and bring down the temperature. Give your device a break if it gets too hot and let it cool down a little. You don’t want to heat the battery up so much that it causes it to explode, though this is extremely unlikely.
Q: How to remove the battery of the Galaxy S6?
A: You’ll need a battery replacement kit to do this safely. There are a couple of options in this guide that come with one. They also include directions and instructional videos, so you’ll find everything you need there. Just take your time, follow the instructions carefully and you’ll easily be able to change the battery yourself – without needing to send it in to a costly technician.
Final Thoughts
We’ve gone through the 5 best Galaxy S6 replacement battery options on the market.
They all offer an exquisite balance between real-world performance, safety, and protection, cost and features. You should find something that piques your interest and caters to your needs.
You’ll need to decide on how much you’re willing to spend and what you consider valuable enough.
You have enough information to make an informed decision and be able to find a battery that’ll help you get more from your Galaxy S6 now – and in the long run.
All you need to do is make the choice, order the battery, follow simple and easy self-installation instruction, and experience the benefits.
Having the best replacement battery for Galaxy S6 will unlock the world for longer – letting you get more life, and ultimately more moments to cherish!
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