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1Pc 3.7v 4400mAh Replacement Li ion Rechargeable Battery Pack XH 2p 2.54 Connector 16.28Wh/4.4A(Blue,6.75x3.68x1.85cm for Bluetooth Speaker

  • Based on 10 reviews
Condition: New
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Availability: 14 left in stock
Fulfilled by Amazon
Arrives Saturday, Sep 19
Order within 5 hours and 36 minutes
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Features

  • Model Type: 3.7 4400mAh battery With JST XH-2P/2.54 forward plug. plug size will show in our listing picture.
  • SIZESize: 2.66*1.46*0.73 Inchs XH plug size0.223x0.155Inchs, please don't cut the wire if the battery plug not correct, so we can full refund for u if return.
  • KNOW BEFORE USE 1.please contrast with the old battery and check the polarity of the battery. Red wire connection power positive " +" , Black wire connect power negative pole "-". if is a reversed, you need position of interchange wires. otherwise device will demage.
  • POSITION OF INTERCHANGE WIRES --- If the polarity of the red and black wires are reversed, you need to exchange the position of the plug wires, You will need to take the wires out of the plastic plug and reverse them only. To do this, take the small blade you own, very gently pry up the two plastic tabs on the top of the plug one at a time, and gently pull the wire out of the plastic plug.( Don't yank!)

Description

Description: - 【Model Type】: 3.7 4400mAh battery With JST XH-2P/2.54 forward plug. plug size will show in our listing picture. - 【SIZE】Size: 2.661.460.73 Inchs 【XH plug size】0.223x0.155Inchs, please don't cut the wire if the battery plug not correct, so we can full refund for u if return . - 【Note】These battery connector is JST-XH-2P plug, and it is forward plug. please check the connector you need, please don't cut the wire if you want a returnning. - 【KNOW BEFORE USE .】please contrast with the old battery and check the polarity of the battery. Red wire connection power positive " +" , Black wire connect power negative pole "-". if is a reversed, you need position of interchange wires. otherwise device will demage. Package Includes: 1x 3.7v 4400mah rechargeable battery with 2p XH plug Note: Please make sure your device's working current or power before purchasing, our battery is 16.28Wh 3.7V battery

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


Brand: Generic


Battery Cell Composition: Lithium Polymer


Battery Capacity: 4400 milliamp_hours


Recommended Uses For Product: Airsoft Gun, Drone, Mobility Scooter, Photographic Lighting, Power Tool, Solar Devices, Vacuum Cleaner, ortizan portable bluetooth speaker ipx7 See more


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


Brand: Generic


Model Number: 3.7v 4400mAh battery XH-2p 2.54 plug


Model Name: 3.7v 4400mAh with XH plug


Manufacturer: Hao Chao Business Co,.Ltd.


Included Components: 1pc battery with XH-2p plug


Warranty Description: 2 years


Battery Cell Type: Lithium Polymer


Battery Capacity: 4400 milliamp_hours


Voltage: 3.7 volts


Reusability: Rechargeable


Amperage: 4400 milliamps


Compatible Phone Models: ortizan portable bluetooth speaker ipx7 battery


Unit Count: 1 Count


Battery Weight: 90 g


Item Dimensions: 2.66 x 1.46 x 0.73 inches


Item Weight: 90 g


Antenna Location: Airsoft Gun, Drone, Mobility Scooter, Photographic Lighting, Power Tool, Solar Devices, Vacuum Cleaner, ortizan portable bluetooth speaker ipx7


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Sep 19

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

    • Plug
The plug connector plug on backwards
Reviewed in the United States on March 10, 2026 by Nate
    • Quality product
It performed as expected
Reviewed in the United States on June 5, 2026 by Ahmed Afify
    • Perfect
It was the perfect battery and fit. Works well
Reviewed in the United States on May 3, 2026 by Glenn A Solitaria
    • basic 19650 batterys
This generic 18650 battery pack is a convenient and well-built power solution for devices like Bluetooth speakers, DIY lighting, or portable sensors. It stands out by providing a pre-installed connector and a very respectable capacity relative to its marketing claims. Performance & Capacity Analysis I put this battery through a controlled discharge test to verify if the "4400mAh" label was accurate. The Result: I measured a real-world capacity of 3918.7 mAh. Accuracy: This hits about 89% of the stated capacity. While it is slightly under the label, it is significantly more honest than most generic batteries in this class, which often overstate their capacity by 30% or more. Discharge Characteristics: The discharge curve followed a healthy Lithium-ion pattern. While the "plateau" (the time it spends at the nominal 3.7V) could have been a bit flatter, it provided stable power throughout the cycle without any sudden voltage drops until it reached near-depletion. Build and Connectivity Connector Quality: It comes with a JST-XH 2.54mm 2-pin connector pre-attached. This is my preferred connector for these types of packs because it’s robust and provides a very secure fit. It saved me the time of having to solder or crimp my own leads. Wiring Caution: A very important note for any buyer—always check the polarity (Red/Black orientation) of your device's port against the plug. As the listing notes, JST polarities are not standardized across all manufacturers. If yours is reversed, you can easily swap the pins in the plastic housing by gently prying the tabs with a small blade, but you must verify this before plugging it in to avoid damaging your electronics. +1 Physical Size: It is a dual-cell 18650 pack (likely a 1S2P configuration), and the dimensions are accurate to the listing, making it easy to fit into standard speaker battery compartments. Pros Good Energy Density: Delivering nearly 4000mAh in a small package is excellent for long runtimes. Pre-Installed JST-XH: Reliable connector that is ready to use for most compatible devices. Durable Construction: The blue heat-shrink wrap is thick and protects the cells well. Honest Specs: One of the more accurately labeled generic batteries I've tested. Cons Voltage Slump: The discharge curve isn't perfectly flat, meaning the voltage starts to taper slightly earlier than premium-brand cells, but it’s still well within acceptable limits for its price. Final Verdict: 4/5 Stars This is a solid, reliable battery pack at a fair price. While it doesn't quite hit the full 4400mAh, reaching 89% of that goal makes it a far better choice than the many "fake" high-capacity batteries on the market. It’s a great way to revive a dead Bluetooth speaker or power a mobile project. ... show more
Reviewed in the United States on April 4, 2026 by tai tran
    • High-Capacity Standby Power with an Integrated JST-XH Connector
Review Image by bd reviews
Review Image by bd reviews
Review Image by bd reviews
Review Image by bd reviews
Review Image by bd reviews
This generic 18650 battery pack is a convenient and well-built power solution for devices like Bluetooth speakers, DIY lighting, or portable sensors. It stands out by providing a pre-installed connector and a very respectable capacity relative to its marketing claims. Performance & Capacity Analysis I put this battery through a controlled discharge test to verify if the "4400mAh" label was accurate. The Result: I measured a real-world capacity of 3918.7 mAh. Accuracy: This hits about 89% of the stated capacity. While it is slightly under the label, it is significantly more honest than most generic batteries in this class, which often overstate their capacity by 30% or more. Discharge Characteristics: The discharge curve followed a healthy Lithium-ion pattern. While the "plateau" (the time it spends at the nominal 3.7V) could have been a bit flatter, it provided stable power throughout the cycle without any sudden voltage drops until it reached near-depletion. Build and Connectivity Connector Quality: It comes with a JST-XH 2.54mm 2-pin connector pre-attached. This is my preferred connector for these types of packs because it’s robust and provides a very secure fit. It saved me the time of having to solder or crimp my own leads. Wiring Caution: A very important note for any buyer—always check the polarity (Red/Black orientation) of your device's port against the plug. As the listing notes, JST polarities are not standardized across all manufacturers. If yours is reversed, you can easily swap the pins in the plastic housing by gently prying the tabs with a small blade, but you must verify this before plugging it in to avoid damaging your electronics. +1 Physical Size: It is a dual-cell 18650 pack (likely a 1S2P configuration), and the dimensions are accurate to the listing, making it easy to fit into standard speaker battery compartments. Pros Good Energy Density: Delivering nearly 4000mAh in a small package is excellent for long runtimes. Pre-Installed JST-XH: Reliable connector that is ready to use for most compatible devices. Durable Construction: The blue heat-shrink wrap is thick and protects the cells well. Honest Specs: One of the more accurately labeled generic batteries I've tested. Cons Voltage Slump: The discharge curve isn't perfectly flat, meaning the voltage starts to taper slightly earlier than premium-brand cells, but it’s still well within acceptable limits for its price. Final Verdict: 4/5 Stars This is a solid, reliable battery pack at a fair price. While it doesn't quite hit the full 4400mAh, reaching 89% of that goal makes it a far better choice than the many "fake" high-capacity batteries on the market. It’s a great way to revive a dead Bluetooth speaker or power a mobile project. ... show more
Reviewed in the United States on February 25, 2026 by bd reviews

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