Lankoo Rechargeable CR2 Lithium ion Battery, High Capacity 3.7V 300mAh Rechargeable RCR2 CR15H270 15270 Batteries, Fast Charge, 1200 Cycle with USB Type C Port Cable, Constant Output (4 Pack)

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654Total Reviews

Coin & Button Cell

C

Company Review Grade:

Lankoo

36 Total Products

Lankoo Rechargeable CR2 Lithium ion Battery, High Capacity 3.7V 300mAh Rechargeable RCR2 CR15H270...

Analyzed on

Sold by Lankoo

B

Fakespot review grade

B

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Pros & Cons

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neutral

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neutral

Frequently mentioned features with split sentiment

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Long Lasting

Customers have mixed opinions on the long lasting nature of these Lithium ion batteries. While some report excellent longevity and constant output, others find them to not last as long as expected and even degrade quickly after a few months or years of use.

Charging Capacity

Customers have mixed opinions on the charging capacity of these batteries. While some are pleased with their fast charging capabilities and convenience of having the charge circuitry built into the battery, others have noted that the batteries can get extremely hot during recharging and have expressed concerns about potential safety issues. Some customers also mentioned that the actual charging capacity falls short of expectations.

Voltage Output

Customers have reported inconsistent voltage output from the batteries, with some experiencing voltage drops below required levels for certain applications leading to malfunctions or poor performance. Others noted that the batteries did not meet their expectations in terms of handling higher current draw and interfering with radio reception. However, a few customers found them satisfactory for lower power uses such as flashlights.

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Highlights

The AI used to provide these results are constantly improving. These results might change.

Quality

Much easier to charge with usb ports and charging indicators within each battery, than dealing with an external charging device

These batteries are really great and last a good bit for what i need them for.

I use one in a multimeter and one on standby and i've gotten 29 days from full charge to dead battery on the one in the meter a... Read More

This is where lithium rechargeable really shine as voltage stays constant until they are dead (both good and bad) .

Price

I purchased these batterys for a battery operated fuel siphon pump and it doubled its speed versus regular batteries and have a... Read More

Good value for the cost, seems to be working well

Good value, wish the charging cord was longer.

Shipping

They charged pretty quickly, unfortunately i don't know the exact time.

Competitiveness

We actually ended up buying another size from this company/brand and they work just as well.

Overview

How are reviewers describing this item?
charged, last, two, good and same.

Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.

Our engine has discovered that over 80% high quality reviews are present.

This product had a total of 654 reviews as of our last analysis date on Oct 12 2024.