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EEMB

EEMB Lithium Polymer Battery 3.7V 2000mAh 103454 Lipo Rechargeable Battery Pack with Wire JST Connector for Speaker and Wireless Device- Confirm Device & Connector Polarity Before Purchase

    • Based on 899 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Nov 26
Order within 8 hours and 53 minutes
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Size: 1 Count (Pack of 1)


Features

  • Make Sure Device Polarity Matches with Battery Pack Connector Before Purchase!!!-1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.)
  • BASIC INFOVoltage: 3.7V; Typical capacity: 2000mAh, Min capacity: 1900mAh; Weight: 40g; Battery size (WxLxH): 34.5 X 56 X 10.6 mm / 1.36 X 2.2 X 0.41 inch
  • RELIABLE PERFORMANCENo leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection.
  • STORAGE & APPLICATIONKeep the cells in 40%-60% charged state during long period storage. We recommend to charge the battery every 3 months after receipt of the battery and maintain the voltage 3.7-4.0V. Store battery in cool and dry place.//SUITABLE for Bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi smart home systems, PDA and digital cameras, GPS, e-books, tracking devices, blood oxygen tracking equipment, pulse monitors, wireless, IoT.

Number of Batteries: 1 Lithium Polymer batteries required. (included)


Brand: EEMB


Battery Cell Composition: Polymer


Recommended Uses For Product: Remote controller, MP3 Player, Dash cam, Bluetooth speaker, LED Light, Alarm, Radio, Camera, GPS, Wireless headphone, Arduino board See more


Unit Count: 1 Count


Product Dimensions: 2.2 x 1.36 x 0.42 inches


Item Weight: 1.76 ounces


Item model number: LP103454-PCM


Batteries: 1 Lithium Polymer batteries required. (included)


Is Discontinued By Manufacturer: No


Date First Available: November 25, 2019


Manufacturer: EEMB Co.,Ltd


Country of Origin: China


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If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Good so far
Size: 1 Count (Pack of 1)
I got this battery to modify a flameless candle to make it rechargeable. This along with a USB-C charging circuit/BMS accomplished the task. This thing has very good battery life, being run many hours and not needing to be recharged yet. I can't comment on battery longevity yet as it is still new, but so far the time between charges is excellent! ... show more
Reviewed in the United States on November 6, 2023 by Almost Satisfied
    • Check polarity of your device before plugging in
Size: 4
There must be no standard for which pin is + and which is -. Check polarity of your device before plugging in. Reversed them before plugging into PocketChip Linux computer and Arduino Metro-S2. You can carefully swap the pins with a magnifier and a sewing needle. They are delivered with low charge, but you still might want to cover one pin with tape while you pull out the other to prevent a short. ... show more
Reviewed in the United States on October 3, 2023 by JohnC
    • Polarity is Reversed for Adafruit devices - check your device!
Size: 1 Count (Pack of 1)
Review Image by J. Hill J. Hill
The battery seems okay, and works like any other LiPo. But I'm using it with some Adafruit devices, and it required the polarity on the plastic connector to be switched. See picture for Adafruit compatibility.
Reviewed in the United States on October 7, 2023 by J. Hill J. Hill
    • good battery
Size: 1 Count (Pack of 1)
appears to be a good battery, seems to be better than the last no-name battery i got. charged up faster and held the charge
Reviewed in the United States on October 13, 2023 by totem12
    • Extended the car dash camera run time
Size: 1 Count (Pack of 1)
My car dash camera stopped working after the internal battery dead, even when the USB power is connected. The original package is only 500mAH. I managed to upgrade to this 2000mAH. My camera now can last longer time recording during parking.
Reviewed in the United States on September 20, 2023 by Amazon Customer
    • Its a battery, exactly as advertised.
Size: 1 Count (Pack of 1)
Exactly as advertised.
Reviewed in the United States on October 10, 2023 by Alex
    • Revived our sound machine
Size: 1 Count (Pack of 1)
We love a sound machine we bought from Brookstone several years ago. As life has it, technology turns over at an alarming rate these days and replacement parts - even something as common as batteries - become unavailable. Our sound machine used a slightly smaller battery with a slightly different plug. But with a little soldering and heat shrink tubing [two wires; one red and one black], this new battery fit perfectly into its designated space. It's a perfect repair for our beloved machine. It's quality of sound for its size plus the types of sounds it creates is our favorite features and we are thrilled to have it working once again [the old battery swelled warping the internal mechanisms]. Sleep is important and with our sound machine we get really high quality sleep. Repairing is always preferable for us over replacing and with this solution we are quite happy. Now, I've got to turn on our machine and go take a nap [yawn]. Don't let the difference in connectors shy you away. With a little ingenuity, you too can repair something. Plus you probably have a friend who could help you out if you cannot do this yourself anyway. Give this a shot. We did and we're glad we did. ... show more
Reviewed in the United States on April 14, 2021 by Inline_Phil
    • Seemingly poor construction with non-functional BMS
Size: 4
Ordered for use with some RAK WisBlock Base Boards. After reversing the plug polarity so it matches the board, the batteries do work to power the board, and charge when the board is connected via USB. Unfortunately in spite of them having a BMS, three of the four batteries have swelled dramatically during the first three or four charging cycles. Straight from the box, they measure 9.37mm thick. The first battery is noticeably bulging and measures 10.85mm after being put through a few charge/discharge cycles over the course of a few days. The second one I tried, in the hopes that the first one was just defective, swelled to 9.8mm after just a single day, being charged by the RAK. The third one I've placed on my bench power supply with the CV/CC settings on 4.2v @ 1.0A (0.5C -- half what the Amazon product page says the battery is rated for; the battery itself is not marked with charge capacity information, nor is it printed on the including documentation. After charging this way for only 45 minutes, while still drawing ~500mA @ 4.2v, it has already swelled by 0.1mm. Will not be buying this brand of battery again, and all of these are getting recycled. ... show more
Reviewed in the United States on August 17, 2023 by Allen

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