The 10 Best 3.7 Volt Lithium Ion Battery Charger Circuits (2022 reviews)

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There are several advantages of having a 3.7 volt lithium ion battery charger circuit.

We are here to help you choose the right one for your purposes from all the best available products in market today.

Our review process:

Our Top Picks:

Best Overall:
Buy: Cosoos 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Other Brands:
Buy: Powxs 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Number Of Batteries:
Buy: Wissblue 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Ultra Fast Charging:
Buy: Gracetop 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Great Display:
Buy: Dottmon 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Customer Service:
Buy: Snado 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Car:
Buy: Tokeyla 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Full Power:
Buy: Eastshine 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Battery Protection:
Buy: Anmbest 3.7 Volt Lithium Ion Battery Charger Circuit
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Best For Input Voltage:
Buy: Merom 3.7 Volt Lithium Ion Battery Charger Circuit
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Best Overall: Cosoos 3.7 Volt Lithium Ion Battery Charger Circuit

Cosoos 3.7 Volt Lithium Ion Battery Charger Circuit
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Cosoos makes beautiful and great circuit with classic and higher-grade materials. The Cosoos 3.7 Volt Lithium Ion Battery Charger Circuit comes with a 1* battery fast charger(without battery), 1* power cord, 1* user manual. Make sure this fits by entering your model number. The lcd back – light will become dark after 1 minute without any operation.

The charger is best for customer service, it has good build quality and has a smart design. Lastly, the cosoos 3.7 volt lithium ion battery charger circuit works as advertised and it charges well.

Most customers opine that the charger can scrape the battery insulation wrapper. And, they also found that the circuit will continue until finished, at which time the capacity of the battery will be shown. Moreover, a few also found that this charger has a brilliant large, bright screen that readily displays all the pertinent information. To sum up, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This measures actual battery capacity (mah) in the 4 slots.
  • This is damaged, lcd display will show error and stop charging.
  • This made in China” ones plus features worked as described.
  • This is made worth the money and it comes with power input.

Best For Other Brands: Powxs 3.7 Volt Lithium Ion Battery Charger Circuit

Powxs 3.7 Volt Lithium Ion Battery Charger Circuit
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The Powxs 3.7 Volt Lithium Ion Battery Charger Circuit should be able to handle its purpose and duties with ease. The power 3.7 volt lithium ion battery charger circuit is wrong, it gets the job done and has a simple design. Which eliminates your worries about fire/explosion/battery leakage. The intelligent battery charger comes with type – c & worldwide usage usb input, applicable for 5v/2a power bank, computer, car charger, usb wall charger, etc.

The circuit works perfectly, it makes for a great buy and has a cover design. Further, the circuit is inexpensive, it is highly recommended and has a travel design. Finally, the powxs 3.7 volt lithium ion battery charger circuit is used for the same product and it is remote.

Almost all customers found that the circuit is an 18650 battery, it is a 3.7v battery and yes, this charger will charge it. And, a few also found that the circuit is easy to get the photos into the computer, like the iPhone is. Further, they strongly agree that the charger is an easy to use charger with 18650 batteries.

Top Customer Quotes:
  • It is easy to identify when batteries are fully charged.
  • This can recharge two 88650 batteries in an hour, max.
  • This kind of, it does the job and has great design.
  • Good efficiency to save a lot of time for you.

Best For Number Of Batteries: Wissblue 3.7 Volt Lithium Ion Battery Charger Circuit

Wissblue 3.7 Volt Lithium Ion Battery Charger Circuit
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If you often find yourself scrambling for a convenient and suitable circuit, Wissblue 3.7 Volt Lithium Ion Battery Charger Circuit should be your first option for buying. The wissblue 3.7 volt lithium ion battery charger circuit allows for independent charging, It works perfectly and has an excellent design. Universal micro-usb port, you can always find a suitable cable. The 4 – slot design can charge 4 different batteries at the same time.

The charger is the best choice for travelling with an 18650 universal charger. Above all, the wissblue 3.7 volt lithium ion battery charger circuit is made of flame-retardant material,durable and is safe.

Most buyers agree that the circuit is easy to power with any usb adapter, making it very convenient and portable. And, they strongly agree that the charger can be used on a desktop or in a vehicle. Moreover, they strongly agree that the charger also has different indicators when placing batteries in the charger. Overall, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This will automatically recognize the battery type and charge independently.
  • This allows for a number of batteries and has a great design.
  • This is great for seeing how much charge the batteries currently have in them.
  • These are depleted and thought of throwing them away.

Best For Ultra Fast Charging: Gracetop 3.7 Volt Lithium Ion Battery Charger Circuit

Gracetop 3.7 Volt Lithium Ion Battery Charger Circuit
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The features department is where the Gracetop 3.7 Volt Lithium Ion Battery Charger Circuit truly manages to shine. The gracetop 3.7 volt lithium ion battery charger circuit has features for a great price, allows for individual charging, it can be trusted for a good quality battery and has a new design. You can charge various 3.7v batteries : 22650, 18650, 18490, 18350, 17670, 17500, 16340, 14500, 10440. The universal battery charger with 4 charging slots can set the single – channel charging current up to 1.5a max.

The charger can be used in any environment, power bank, car adapter, computer, usb power adapter. Further, the charger comes with a red/green led light display, safe and fire prevention pc+abs material battery charger, with heat-resisting, low temperature resistance and scratch resistance. Most importantly, the gracetop 3.7 volt lithium ion batterycharger circuit kind of, looks great, It is designed for ultra fast charging and has a smart design.

Almost all buyers opine that the charger is great for slightly over a year. And, a few say that the circuit will operate off of a computer or plug in a usb port. In addition, they strongly agree that this is a usb plug – in but it works great and charges fast. With no doubts, this charger passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • This usb charger charged 4 lithium 16340 batteries in 2 1/2 hours.
  • Gracetop smart battery charger will give you the best product experience.
  • Led shows you the charging status and charging level of each battery.
  • This is suitable for 3.7v li-ion rechargeable batteries such as18650/18500/18350/17670/16340/14500/10440 rechargeable batteries.

Best For Great Display: Dottmon 3.7 Volt Lithium Ion Battery Charger Circuit

Dottmon 3.7 Volt Lithium Ion Battery Charger Circuit
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The Dottmon 3.7 Volt Lithium Ion Battery Charger Circuit is satisfactory and appropriate and fits well with your regular use. The dottmon 3.7 voltlithium ionbattery charger circuit is recommended to charge with 5v2a. Please peel off the protective film on the lcd screen before using it, the lcd screen effect will be better. And, it is small, it allows for fine materials and has an excellent design.

If the charger is not working, the screen will be automatically turned off after 1 minute. Also, the circuit has input power, it allows for battery storage case and has a smart design. Most importantly, the dottmon 3.7volt lithiumion battery charger circuit is easy to install, It makes for a great display and has a new design.

Most buyers opine that the charger does a great job displaying the info and charging the batteries. Also, a few say that the circuit works well and shuts off when batteries are complete. Moreover, they say that the charger comes with plastic over the lcd display. In conclusion, the tone of buyers is very positive and we believe that the charger suits the purpose.

Top Customer Quotes:
  • 🔋Safety performance: prevent reverse, short circuit, overcharge, over-discharge, over-current.
  • This charger with no wall adapter, You can use any dc 5v/2a adapter.
  • 🔋Intelligent detection: read the real capacity of batteries charged from 0 up to 100%.
  • It has real capacity, it is very good and has a compact design.

Best For Customer Service: Snado 3.7 Volt Lithium Ion Battery Charger Circuit

Snado 3.7 Volt Lithium Ion Battery Charger Circuit
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If you want nothing but a circuit that is reliable, this Snado 3.7 Volt Lithium Ion Battery Charger Circuit is certainly a wise investment. The snado 3.7 volt lithium ion battery chargercircuit is great for quick charge and it is blue. When you put a fully discharged battery into the charger and charge it to full charge, the actual capacity of the battery will be displayed on the lcd screen. These have protection against short circuits, overheating, over – voltage and over – discharge.

The charger is small, is easy to charge and it is highly recommend. Most importantly, the snado 3.7 volt lithium ion battery charger circuit is strong, powerful and it is made for good value.

Most buyers found that the charger is nice to be able to charge quickly when needed. And, they also found that the circuit features are exceptionally good for a device at this price. Moreover, they say that the charger will start to flush the part of the battery that ’s full, and some thing nice about this also you can charge it at different speeds for 4 deeper cycles. In short, for almost all customers, it was what they were looking for.

Top Customer Quotes:
  • The Manufacturer says: our charger can detect the true capacity of the battery.
  • This is recommended to charge with 5v2a.
  • This will not check the charge on non-rechargeable batteries.
  • This has changed batteries, it is really good and has a perfect style.

Best For Car: Tokeyla 3.7 Volt Lithium Ion Battery Charger Circuit

Tokeyla 3.7 Volt Lithium Ion Battery Charger Circuit
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The Tokeyla line of chargers comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Tokeyla 3.7 Volt Lithium Ion Battery Charger Circuit can be used for other usb power, It is straight – forward and has a simple design. Make sure this fits by entering your model number. Moreover, the circuit works as advertised and it is good for old batteries.

The charger is small and it allows for independent charging. Moreover, it has a led indicator, is great for temperature protection, it is perfect for car usb outlet and has an excellent design. Finally, the tokeyla 3.7 volt lithium ion batterycharger circuit does its job, is used for individual charging and it has an output voltage.

Almost all buyers opine that the charger comes in a plastic bag that is inside a box. In addition, a few strongly agree that this charger is an excellent one for recharging lion ‘s batteries. Overall, buyers found this to be one of the best circuits for daily purposes.

Why We Like This:
  • This is non-waterproof, please use it carefully.
  • This can only a 3.7v rechargeable lithium battery.
  • Red light when charging, green light when fully charged.
  • The charging indicator allows you to clearly understand the charging status of the battery.

Best For Full Power: Eastshine 3.7 Volt Lithium Ion Battery Charger Circuit

Eastshine 3.7 Volt Lithium Ion Battery Charger Circuit
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The Eastshine 3.7 Volt Lithium Ion Battery Charger Circuit should be able to handle its purpose and duties with ease. The eastshine 3.7 voltlithium ionbattery charger circuit is compact, it has an output voltage and has a smart design. Make sure this fits by entering your model number. Further, this is made from abs, v0 class fire-retardant materials.

Finally, the eastshine 3.7volt lithiumion battery charger circuit is small, it is intuitive and has a compact design.

One customer says – “Sometimes you have to readjust/rotate a battery to get a reading on the LCD screen. “. Most buyers opine that the charger works with lifepo4 types.

Why We Like This:
  • This is very good and has a new design.
  • You will love the fast charger for 4 cells simultaneously.
  • Good investment for the long term.

Best For Battery Protection: Anmbest 3.7 Volt Lithium Ion Battery Charger Circuit

Anmbest 3.7 Volt Lithium Ion Battery Charger Circuit
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Next on the list, we’ve got yet another circuit that manages to win our hearts. It’s the Anmbest 3.7 Volt Lithium Ion Battery Charger Circuit and it’s widely considered as the circuit that has the most suitable features. The anmbest 3.7 volt lithium ion battery chargercircuit works perfectly, is highly durable, it works perfectly and has a smart design. A combination of 4 safety features that work together to provide ultimate protection for your devices, your chargers and, most importantly. ,. Further, it gets the job done, it is compact and has a simple design.

The charger is inexpensive, is used for a low cost, it is small and has a compact design. Further, it is built with fine workmanship, has a life cycle, it has delayed self-recovery and has great design. Lastly, the anmbest 3.7 volt lithium ion battery charger circuit is very good, it working properly and has a new design.

Most customers opine that the charger will create voltage on those pads. Also, a few say that the charger can be used as a temperature cutoff by putting a normally open thermistor between them. And, they strongly agree that the circuit is used for 2 parallel 3 series battery packs. Overall, most buyers agree that the circuit suits them best, and no one questions it.

Top Customer Quotes:
  • This is used for high – current devices like power tools, etc.
  • This is perfect for battery protection and it is wrong.
  • Good investment for the long term.

Best For Input Voltage: Merom 3.7 Volt Lithium Ion Battery Charger Circuit

Merom 3.7 Volt Lithium Ion Battery Charger Circuit
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The Merom 3.7 Volt Lithium Ion Battery Charger Circuit should be able to handle its purpose and duties with ease. The merom 3.7 volt lithium ion battery charger circuit is suitable for a 3.7v 4.2v 1-string lithium battery pack. Make sure this fits by entering your model number. This product is 5.5×2.1 mm.

Most importantly, the merom 3.7 volt lithium ion battery charger circuit is wrong and it is great for customer service.

Why We Like This:
  • 【Compatibility】for 3.7v li-ion packs charger ,suitable for 3.7v 4.2v 1-string lithium battery pack.
  • One of the newcomers and featured product.

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