The box clearly states non rechargeable, are these actually rechargeable?!?!

I didn’t pay attention to my box but yes they are rechargeable.

is the polarity of the connector reversed?

The polarity of the connector battery side is as you see it. Red(+) Black(-).... However... I have seen instances were the polarity of the pins on the equipment side has been reversed. A pain. You will have to verify the circuit diagram that you are connecting the battery to.

Can it be used on 3 wire equipment? how to connect if yes? i am trying to use it on logitech mx master mouse.

3 wire Lipo's have balancing tech/ability. These two wire batteries are not setup for that.

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EEMB 3.7V Lipo Battery 1100mAh 603449 Rechargeable JST 2.0mm,1-Pack

Product ID: 282474582

Details

Battery Capacity
1100
Battery Cell Composition
Lithium
Brand
EEMB
Number of Batteries
1 Lithium

⚡3.7V high-voltage power

🔋1100mAh long-lasting capacity

🛡️800+ safe recharge cycles

81.66 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your tech life—because running out is so last season!

COMPACT YET MIGHTY - Slim 34.5 x 51 x 6.3mm design fits discreetly into your favorite devices without bulk.
ENDURANCE THAT KEEPS UP - 1100mAh capacity ensures extended usage, minimizing downtime and maximizing productivity.
CERTIFIED FOR PEACE OF MIND - UL, IEC 62133-2, and UN38.3 certifications guarantee safe shipping and trusted quality.
POWER YOUR DEVICES WITH PRECISION - 3.7V voltage optimized for seamless performance across Bluetooth speakers, dash cams, and smart home gadgets.
ENGINEERED FOR SAFETY DURABILITY - Overcharge, over-discharge, overcurrent, and short circuit protections keep your tech safe and reliable.

The EEMB 3.7V 1100mAh LiPo battery delivers reliable, long-lasting power in a compact form factor. Designed with advanced safety features and certified for global shipping, it’s the perfect rechargeable battery for Bluetooth speakers, smart home devices, and more. With over 800 recharge cycles and a lightweight design, it’s engineered to keep your essential gadgets energized and ready to perform.

Specifications

ASIN	B08FD39Y5R
Amperage	22 A
Antenna Location	Alarm, Arduino Board, Bluetooth speaker, Camera, GPS, LED Light, Radio, Remote controller, Wireless headphones, Wireless keyboard, micro controller
Battery Capacity	1100 milliamp_hours
Battery Cell Type	Lithium Polymer
Battery Weight	22 g
Best Sellers Rank	#60,057 in Health & Household ( See Top 100 in Health & Household ) #15 in 3.7V Batteries
Brand	EEMB
Customer Reviews	4.4 4.4 out of 5 stars (1,316)
Item Dimensions	1.36 x 2.01 x 0.25 inches
Item Weight	0.03 kg
Manufacturer	Hubei Zhongju (EEMB) Energy Power Co., Ltd
Model Name	LP603449 with JST PHR 2.0mm Connector
Model Number	LP603449-PCM
Number of Batteries	1 Lithium Polymer batteries required.
Reusability	Rechargeable
Unit Count	1 Count
Voltage	3.7 volts

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81.66 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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