will this fit a sena 20s, & is it just a case of swapping the connectors on the battery to match the polarity on the system board (no soldiering need

Not sure, but Google shows that Sena 20s is using 2540 battery (25x40x7.5 mm) . This one may be too big. You need to measure the space first.

What is the connector? i bought this and the jst connector does not fit the jst connectors i have, so what is that connector ???

It is JST PH (2mm pitch). There is 12 types of JST connectors listed on Wiki.

Can i cut the connection off so i can solder it to a circuit? if so which do i cut first?

Cut one connection at a time, do NOT cut through both at the same time… if you short them together they may weld together and then proceed to burn. If you do cause a fire don’t use water, use sand, dry soil to smother the battery.

Lp603449 | Desertcart Congo

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102874Fr

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Sold byAmazon CongoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power your smart life with confidence — compact, safe, and built to last!

SAFETY FIRST ALWAYS - Built-in PCM protection plus UL & UN38.3 certifications ensure worry-free, safe usage and shipping.
ENGINEERED FOR ENDURANCE - Over 500 charge cycles with low internal resistance means your battery stays strong and stable.
POWER THAT LASTS ALL DAY - Reliable 1100mAh capacity fuels your devices longer without constant recharging.
SMART STORAGE SMART LIFE - Optimized storage guidelines keep your battery healthy and ready, maximizing lifespan and performance.
COMPACT FIT UNIVERSAL VIBE - Slim 34x51x6mm design with JST 2mm plug fits a wide range of smart gadgets seamlessly.

The EEMB 3.7V 1100mAh 603449 LiPo battery features a compact 34x51x6mm form factor with a JST 2mm connector, delivering reliable 22A discharge current. It includes built-in PCM safety protections and meets UL and UN38.3 certifications for safe use and transport. Designed for a broad range of smart devices—from Bluetooth speakers to IoT gadgets—this rechargeable lithium polymer battery offers over 500 charge cycles and optimized storage recommendations to maximize lifespan.

Specifications

ASIN	B08FD39Y5R
Amperage	22 Amps
Antenna Location	Acaia scale, Arduino Board, Bluetooth speaker, Corsair HS70, ESP32, Garmin Nuvi 880 GPS, Parrot car speakerphone, Radar alarm, Radio, Wimius system, Wireless mechanical keyboard
Battery Capacity	1100 milliampere_hour
Battery Cell Type	Lithium Polymer
Battery Weight	22 Grams
Best Sellers Rank	4,836 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 129 in Rechargeable Household Batteries
Brand Name	EEMB
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (1,467)
Item Dimensions	34 x 51 x 6 millimetres
Item Weight	0.03 Kilograms
Manufacturer	EEMB Co.,Ltd
Model Name	LP603449
Model Number	LP603449-PCM
Number of Batteries	1 Lithium Polymer batteries required.
Reusability	Rechargeable
Unit Count	1.0 count
Voltage	3.7 Volts

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102874Fr

Duties & taxes included

In stock

Sold byAmazon CongoDelivered 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 Congo.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

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LP603449

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