STARTONG
0 ratings
800mAh 3.7V Replacement Battery for Sena GT-Air II, J-Cruise II, SHOEI Neotec II, SRL-01 (SP51), SRL2 Wireless Headphones, Earphones, Helmet intercom, PTC802050
genuine image
800mAh 3.7V Replacement Battery for Sena GT-Air II, J-Cruise II, SHOEI Neotec II, SRL-01 (SP51), SRL2 Wireless Headphones, Earphones, Helmet intercom, PTC802050
Safe and reliable battery certified by UL, CE, UN38.3, RoHS with over 300 times cycle life.
800mAh 3.7V Replacement Battery for Sena GT-Air II, J-Cruise II, SHOEI Neotec II, SRL-01 (SP51), SRL2 Wireless Headphones, Earphones, Helmet intercom, PTC802050
Item #: 89983187

800mAh 3.7V Replacement Battery for Sena GT-Air II, J-Cruise II, SHOEI Neotec II, SRL-01 (SP51), SRL2 Wireless Headphones, Earphones, Helmet

Item #: 89983187

€ 22

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Thursday, August 20
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Safe and reliable battery certified by UL, CE, UN38.3, RoHS with over 300 times cycle life.
U-Care Warranty:
None
Select a Plan
buy now pay later

Buy Now Pay Later

fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
klarna payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

High Capacity
With an 800mAh capacity, this battery ensures extended usage times for your Sena devices, allowing for longer rides without frequent recharging.
Versatile Compatibility
Designed to replace multiple models including Sena GT-Air II and SHOEI Neotec II, this battery provides flexibility for various helmet communication systems.
Reliable Performance
Built with quality components, this battery delivers consistent power and longevity, ensuring clear communication and entertainment while riding.

Product Details

Shop 800mAh 3.7V Replacement Battery for Sena GT-Air II, J-Cruise II, SHOEI Neotec II, SRL-01 (SP51), SRL2 Wireless Headphones, Earphones, Helmet intercom, PTC802050 online at a best price in Ireland. B0CSYNGX4P
Number of Batteries1 Lithium Polymer batteries required. (included)
BrandSTARTONG
Model NumberUSN-802050PC-SE
ManufacturerSTARNOVO
Battery Capacity800 Milliamp Hours
Voltage3.7
ReusabilityRechargeable
Unit Count1.0 Count
Battery Weight10 Grams
Antenna LocationBicycle
Battery Cell TypeLithium Polymer
Battery Cell CompositionLithium Polymer
Recommended Uses For ProductBicycle

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Motorcycle Enthusiasts

    Ideal for riders who use Sena products for communication during long trips, ensuring their devices remain powered.

  • Frequent Travelers

    Great for individuals traveling often, requiring reliable battery life in their helmets or wireless devices.

  • Outdoor Adventurers

    Perfect for campers and hikers who need dependable intercom systems to stay connected in remote areas.

Not Suitable For
  • Casual Riders

    Not suitable for occasional users who rarely utilize communication devices and require less battery life.

Product Description

800mAh 3.7V Replacement Battery for Sena GT-Air II, J-Cruise II, SHOEI Neotec II, SRL-01 (SP51), SRL2 Wireless Headphones, Earphones, Helmet intercom, PTC802050

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What devices are compatible with the 800mAh 3.7V Replacement Battery?

    Answer: The 800mAh 3.7V Replacement Battery is specifically designed for products like the Sena GT-Air II, J-Cruise II, SHOEI Neotec II, SRL-01 (SP51), and SRL2 wireless headphones and helmet intercoms. This compatibility ensures that your devices receive the optimal power to enhance their performance, providing clear audio for communications while riding. Knowing the compatible devices allows users to confidently replace their battery without concerns about mismatches or performance issues.
  • Question: How do I install the 800mAh replacement battery in my device?

    Answer: Installing the 800mAh replacement battery is straightforward. Begin by safely removing the old battery from your device, which often involves unscrewing or unclipping the battery compartment. Once removed, insert the new battery ensuring correct polarity alignment, as indicated by the positive (+) and negative (-) markings. Reassemble your device to secure the battery in place. This process revitalizes your device, producing better sound quality and reliability during use, especially in outdoor conditions.
  • Question: What is the expected lifespan of the battery?

    Answer: The lifespan of the 800mAh 3.7V replacement battery largely depends on usage conditions. Typically, users can expect it to last several hundred charge cycles, maintaining solid performance for extended periods if charged appropriately. Adopting practices such as avoiding overcharging or letting the battery drain completely can significantly enhance its longevity. This battery is ideal for daily riders who need reliable performance in helmet intercoms or wireless headphones without frequent recharging interruptions.
  • Question: Can I use this battery for other devices not mentioned?

    Answer: While the 800mAh 3.7V Replacement Battery is optimized for specific models such as the Sena GT-Air II and SHOEI Neotec II, using it in other devices is not recommended unless they explicitly list compatibility with this battery type. Using incompatible batteries may lead to performance issues or damage. Always check your device's specifications before attempting a replacement to ensure proper functionality and safety in performance during use.
  • Question: Is this battery rechargeable?

    Answer: Yes, the 800mAh 3.7V Replacement Battery is a rechargeable lithium-ion battery. It can be charged multiple times, making it cost-effective and environmentally friendly compared to single-use batteries. When utilizing a compatible charger, users can expect a full charge in a reasonable timeframe, ensuring their devices are ready for steady use. The rechargeable aspect means you can continually use your helmet intercoms or wireless headphones without the need for constant replacements.
  • Question: What should I do if my device does not power on after replacing the battery?

    Answer: If your device fails to power on after replacing the 800mAh replacement battery, begin by checking the battery installation. Ensure it is securely connected and correctly aligned with the polarity indicators. If it's installed correctly, try charging the battery for a while, as it may have been partially drained. In some cases, additional troubleshooting may be required, such as checking for any damage to the device or seeking professional assistance to avoid causing further issues.
  • Question: How can I prolong the life of my replacement battery?

    Answer: To prolong the life of your 800mAh replacement battery, consider these practices: avoid extreme temperatures during usage or storage, as this can affect battery performance; regularly charge it before it completely drains, and perform occasional full discharges and recharges to maintain battery health. Utilizing these methods will help keep your wireless headphones or intercom functioning optimally, especially during long rides or extended usage periods.
  • Question: Do I need any special equipment to charge this battery?

    Answer: No special equipment is required to charge the 800mAh 3.7V Replacement Battery, as it can be charged using standard chargers compatible with lithium-ion batteries. It’s important to use the specific charger for your device to ensure the best charging efficiency and safety. This allows riders and users of helmet intercoms to easily maintain their equipment, ensuring they remain connected during their journeys without any hassles.
  • Question: Can I buy the 800mAh 3.7V Replacement Battery locally?

    Answer: If you're looking to purchase the 800mAh 3.7V Replacement Battery in Ireland, a recommended place to buy is Ubuy. They offer a dedicated online platform where you can find a range of electronic accessories, including this particular battery. Shopping from Ubuy ensures that you have a reliable source to obtain the product, along with convenient delivery options to your address, enhancing your overall shopping experience.
  • Question: What makes this battery better than generic alternatives?

    Answer: The 800mAh 3.7V Replacement Battery is specifically designed for compatibility and performance with select devices, unlike generic alternatives that may lack precise specifications. This means you get optimal longevity, reliability, and performance tailored for applications like helmet intercoms and headphones. Users can enjoy enhanced audio clarity and consistent functionality in their rides, making it a worthwhile investment compared to more generic options that might not match these standards.

Nutritionist's Take

As a nutritionist, my focus is primarily on food and dietary components, so the 800mAh 3.7V Replacement Battery is outside the realm of typical nutritional discourse. However, regarding its impact on health indirectly, the quality of this battery may be relevant for users who rely on devices that promote safe riding, like Bluetooth helmets. While the battery itself does not have nutritional content, the technology it powers can enhance safety during motorcycle riding, potentially reducing the risk of accidents. There are no traditional health claims associated with this product, and it does not cater to specific dietary needs. Thus, its 'nutritional benefits' would be more about aiding communication and safety than direct health contributions. Users should ensure proper battery handling and disposal for environmental health considerations.

STARTONG 3.7V USN-802050PC-SE Editorial Review

No editorial reviews found

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Long battery life
  • Easy to install
  • Compatible with multiple models
  • Reliable performance
  • Quick charging time

Cons

  • Slightly heavier than the original battery.

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9250 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

€ 22

Order now and get it around Thursday, August 20

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Li-ion Polymer battery with 800mAh capacity.
  • Guaranteed nominal voltage of 3.7V.
  • Lightweight at only 10g, perfect for mobility.
  • Durable performance with over 300 charge cycles.
  • Compatible with popular Sena models for seamless use.
  • Safety certifications ensure reliability and peace of mind.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.