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Artigo n.º:
88236706
DC 3.7V 750mAh 902040 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and
Artigo n.º:
88236706
€ 22
Price Details
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*All items will import from EUA
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Restam apenas 16 artigos em stock.
Encomende já e receba por volta de Terça-feira, Julho 28
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Os nossos principais Parceiros Logísticos
Highly rated and versatile rechargeable lithium batteries for electronic products, available in various capacities, sizes, and current ratings.
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Shipping
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gratuita*
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Produtos 100% Originais
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Certificação ISO 27001
Note: Step Down Voltage Transformer required for using electronics products of EUA store (110-120). Recommended power converters Compre Agora.
O que se Destaca
Design compacto
The 902040 lithium polymer battery is lightweight and small, making it perfect for portable electronic devices and DIY projects without adding unnecessary bulk.
Compatibilidade versátil
This battery operates effectively across a 3.7 to 5V range, catering to a wide variety of electronic products and enhancing its usability for various applications.
Built-In LED Indicator
Equipped with a built-in LED light, users can easily monitor battery status, ensuring timely recharging and preventing over-discharge which prolongs battery life.
Detalhes do produto
- This battery is applicable to electronic products with DIY 3.7-5V less than 3.7Wh 750mAh.（★ Not applicable to high-power electric tools and model aircraft）
- Please note that the specifications and polarity of the connector are based on the product display image,★the red wire is the positive "+" and the black wire is the negative "-"，Do not reverse-charge or reverse-connectreverse. ★The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire.
- 902040 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 750mAh, power 3.7Wh, ★size 41×20×9mm(1.594×0.787×0.354inch）(L*W*T), Weight:12.5g(0.441oz)，Maximum current:0.75A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit.
- It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch 1.25mm ★2 wire connector module.
- If there are any quality issues within a year, ★please feel free to contact us via email for replacement.
| Número de Baterias | Baterias de polímero de lítio 1 necessárias. (incluído) |
| Marca | HXJNLDC |
| Número do Modelo | 902040 |
| Nome do Modelo | 902040 |
| UPC | 728683367943 |
| Fabricante | HXJN |
| Tipo de Célula da Bateria | Polímero de lítio |
| Capacidade da Bateria | 750 Milliamp Hours |
| Tensão | 3.7 Volts (DC) |
| Reutilização | Recarregável |
| Amperagem | 0.75 Amps |
| Contagem de Unidades | 1.0 Contagem |
| Battery Weight | 12.5 Grams |
| Dimensões do Item | 1.61 x 0.79 x 0.35 inches (4.1 x 2 x 0.9 cm) |
| Peso do Item | 16.5 Grams |
| Localização da Antena | Clock |
| Composição das células da bateria | Polímero de lítio |
| Usos Recomendados Para o Produto | Clock |
Bens perigosos
Para evitar o atraso no processo de desalfandegamento de Mercadorias Perigosas, a remessa deverá ser aberta no nosso armazém para verificar a gravidade dos componentes perigosos. Please see the list of Mercadorias perigosas aqui.
Quem Deverá Comprar?
-
DIY Electronics Enthusiasts
Ideal for hobbyists creating custom electronics projects requiring a compact and efficient energy source.
-
Small LED Projects
Perfect for powering small LED lights, providing a reliable energy source for decorative lighting and displays.
-
Replacement Needs
Great for users needing a direct replacement for 2-wire battery setups in compatible devices, ensuring seamless function.
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High-Power Devices
Not suitable for devices requiring higher voltage or current ratings, which exceed the battery's specifications.
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Extreme Environments
Should not be used in harsh environments where temperature variations can affect battery performance and safety.
-
Long-Duration Usage
May not be ideal for applications needing extended battery life, given its 750mAh capacity limitations.
DESCRIÇÃO DO PRODUTO
Tem alguma Dúvida? Converse connosco
Perguntas e Respostas dos Clientes
-
pergunta:
What applications can I use the DC 3.7V 750mAh 902040 Rechargeable Lithium Polymer Battery for?
Resposta: The DC 3.7V 750mAh 902040 battery is perfect for a wide range of DIY electronic projects, especially those functioning within the 3.7-5V range. This includes applications in LED lighting systems, small robotics, remote-controlled devices, and various portable electronic gadgets. Its compact size makes it suitable for devices where space is at a premium. If you're working on custom projects or replacements, this battery is your reliable energy source. -
pergunta:
How do I ensure the safety of using this rechargeable battery?
Resposta: To ensure safety, it's essential to charge and discharge the battery using appropriate equipment designed for lithium polymer batteries. Always monitor the battery during charging and avoid exposing it to extreme temperatures or moisture. Proper usage also includes keeping it away from metal objects that could cause short circuits. Routine checks for swelling or damage can help maintain safety during operation. -
pergunta:
Can this battery be used as a replacement for other types of batteries?
Resposta: Yes, the 902040 Lithium Polymer battery can often serve as a replacement for other batteries, provided they share similar voltage requirements and physical dimensions. Its 2-wire configuration allows it to be wired directly into many devices. If you’re customizing or repairing electronic gadgets, this battery's versatile compatibility enhances the functionality of your projects. -
pergunta:
What is the charging procedure for the DC 902040 battery?
Resposta: To charge the 902040 battery, use a compatible lithium polymer charger set to the correct voltage of 3.7V. Connect the battery to the charger carefully and monitor it until fully charged, as overcharging can lead to battery damage. It's recommended to use a smart charger that automatically stops the charge once complete, ensuring the longevity of your battery. -
pergunta:
What is the discharge rate of the DC 3.7V 750mAh 902040 battery?
Resposta: The discharge rate of the battery is typically measured in C-rates which signify how quickly the battery can be released from storage. For the 750mAh capacity, a safe discharge usually allows for moderate current draws suitable for electronic projects. It’s essential to match your project’s current requirements with the battery's discharge capabilities, ensuring your devices function optimally without strain. -
pergunta:
Does this battery come with any built-in protection features?
Resposta: The DC 902040 battery comes equipped with robust safety features designed to prevent common risks associated with lithium polymer batteries. These include protection against overcharging and short circuits, which are critical for maintaining performance and ensuring safety during use. Proper care and monitoring will enhance these built-in features, giving you peace of mind in your projects. -
pergunta:
What size is the DC 902040 battery, and why is this important?
Resposta: The size of the DC 902040 battery is 20mm x 40mm, making it compact and lightweight. This particular dimension is crucial for fitting into various devices, especially in compact electronic designs. Its small footprint allows engineers and hobbyists to integrate it into tight spaces without compromising on power efficiency, making it ideal for portable gadgets and prototypes. -
pergunta:
Is the DC 3.7V 750mAh battery suitable for outdoor use?
Resposta: While the battery is functional, outdoor use requires additional precautions, particularly regarding moisture and temperature extremes. Placing it in a protective casing can safeguard against the elements. If your project involves outdoor applications like garden lights or remote sensors, ensuring the battery is shielded from water and physical damage is key to maintaining performance. -
pergunta:
Can I connect multiple batteries for higher capacity?
Resposta: Yes, you can connect multiple 902040 batteries in parallel to increase capacity while maintaining the same voltage. This setup can extend the runtime of your devices significantly. Ensure connections are properly insulated and secure to prevent short circuits. This configuration is ideal for projects needing extended use, such as LED arrays or robotics requiring sustained power. -
pergunta:
Where can I buy the DC 3.7V 750mAh 902040 Rechargeable Lithium Polymer Battery?
Resposta: You can purchase the DC 3.7V 750mAh 902040 Rechargeable Lithium Polymer Battery from Ubuy, a reliable online retailer that offers a wide variety of electronic products. Ubuy provides a user-friendly shopping experience, making it easy for customers in Portugal to find and order essential components for their DIY and electronic projects.
Nutritionist's Take
As a nutritionist, it is important to clarify that the product "DC 3.7V 750mAh 902040 Rechargeable Lithium Polymer Battery" is not a food item, thus it cannot be evaluated in the conventional nutritional context. It is designed for electronic applications rather than dietary consumption. There are no nutritional benefits associated with this product, as it contains no ingredients or health claims. Potential drawbacks include the hazardous materials present in lithium batteries, which can pose health risks if not handled and disposed of correctly. It is unsuitable for any dietary needs and poses no health advantages for consumers in terms of nutrition. For health-conscious individuals, the focus should be on proper battery disposal and avoiding exposure to potential toxins.
HXJNLDC 3.7V Editorial Review
Nenhuma revisão editorial encontrada
Avaliações e Classificações dos Clientes
38 classificações de clientes
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5 Estrela
54%
-
4 Estrela
16%
-
3 Estrela
4%
-
2 Estrela
9%
-
1 Estrela
17%
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Prós
- Compact size for easy installation
- 750mAh capacity for prolonged use
- Compatível com vários dispositivos
- Built-in 2-wire configuration
- Stable voltage output ensures performance
Contras
- Limited to 3.7-5V applications
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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€ 22
Encomende já e receba por volta de Terça-feira, Julho 28
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QTY:
Restam apenas 16 artigos em stock.
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Os nossos principais Parceiros Logísticos
Entrega internacional mais rápida
Recursos e benefícios
- Rechargeable lithium batteries for 3.7V-5V electronic products
- Various capacities ranging from 620mAh to 3000mAh
- Different sizes available in mm and inches
- Maximum current ratings up to 2A
- Avaliações positivas dos clientes
- Preço razoável
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