What devices are compatible with the 3.7V rechargeable batteries?

These 3.7V rechargeable batteries are compatible with a wide range of devices, including doorbells, headlamps, and flashlights. Their versatile design makes them ideal for powering various electronic devices where compact yet efficient power sources are needed. For instance, if you are using a headlamp for outdoor adventures, these batteries ensure a longer runtime, making your experience smoother.

How long does it take to charge the 1200mAh battery?

The charging time for the 1200mAh battery typically ranges from 3 to 5 hours depending on the charger used. Faster chargers may reduce this time, while standard chargers may take longer. Knowing the charging time helps you plan your usage, ensuring your devices are powered when you need them most, particularly for events like camping or emergency situations.

What is the lifespan of these lithium batteries?

Lithium batteries, like the 3.7V 1200mAh ones, generally have a lifespan of around 300 to 500 charge cycles. This means they can be recharged numerous times before their capacity starts to diminish significantly. Regular use and proper maintenance can help maximize their lifespan. They are perfect for high-use devices where constant battery replacement would be impractical or costly.

Are these batteries safe to use in high-drain devices?

Yes, these batteries are designed to handle high-drain devices with a discharge rate of up to 20A. This means they can power devices that require substantial energy without overheating or compromising performance. They are particularly beneficial in devices like high-lumen flashlights which demand a consistent power supply for optimal brightness.

Can I charge these batteries with any standard charger?

While it is recommended to use a charger specifically designed for lithium batteries, these 3.7V batteries can generally be charged with most compatible chargers. However, using a suitable lithium-ion charger ensures safety and efficiency, preventing potential overcharging or damage. This is particularly important for ensuring longevity and reliability in your devices.

What is the physical size of these batteries?

The batteries come in a compact size of 18mm in diameter and 50mm in length, making them suitable for a variety of devices without adding significant weight. This compact design allows for easy installation and use in smaller battery compartments, which is advantageous for keeping devices lightweight, especially in portable equipment like headlamps.

Can I use these batteries in extreme temperatures?

These lithium batteries perform best within a temperature range of -20°C to 60°C. Operating outside of this range may affect their performance and longevity. For example, if you are using them in extreme conditions, such as cold weather for outdoor activities, it's advisable to monitor their performance to ensure reliable operation.

How do I store these batteries when not in use?

To prolong the lifespan of the batteries, store them in a cool, dry place away from direct sunlight. Ideally, keep them partially charged at around 40% capacity. This helps prevent damage from deep discharge and retains optimal performance. Proper storage is essential, especially if you have devices that are not used regularly, ensuring they are ready when needed.

Are these batteries eco-friendly?

Yes, lithium batteries are generally more environmentally friendly compared to alkaline batteries, as they typically contain fewer harmful materials and have a longer lifespan. Moreover, rechargeable batteries reduce the number of single-use batteries that end up in landfills, contributing to a more sustainable solution for powering your devices.

Where can I buy the 2 Pack 3.7V Rechargeable Battery in Bangladesh?

You can purchase the 2 Pack 3.7V Rechargeable Battery from Ubuy in Bangladesh. Ubuy offers a variety of electronic products, including high-quality batteries designed for your doorbells, headlamps, and flashlights, ensuring you have access to reliable power solutions.

How to Shop 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm Online From Ubuy?

It’s easy to shop 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm Available to Shop Online in Bangladesh?

Yes, at Ubuy Bangladesh this product is available for you to shop at a reasonable price. The 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

LYHJY

2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm 3.7 Volt top Lithium 20A for Doorbells, Headlamps, Flashlights

Long lasting 1200mAh battery is with large capacity which supports stable power for your devices.

LYHJY

Item #: 177000287

2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm 3.7 Volt top Lithium 20A for Doorbells, Headlamps, Flashlights

Item #: 177000287

BDT 3068

Price Details

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Availability : In stock

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Long lasting 1200mAh battery is with large capacity which supports stable power for your devices.

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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 1200mAh, these batteries provide extended use for your devices, ensuring longer operational times for doorbells, headlamps, and flashlights without frequent recharging.

Versatile Compatibility

Designed to fit a variety of devices, these 3.7V lithium batteries are perfect for powering doorbells, headlamps, and flashlights, making them a versatile choice for multiple applications.

Safe Rechargeable

These batteries are rechargeable, promoting sustainability and reducing waste, while offering reliable performance with a maximum discharge rate of 20A for demanding devices.

Product Details

Item Weight	1.1 pounds (500 grams)
Batteries	1 Lithium Ion batteries required. (included)
Date First Available	May 15, 2025
Manufacturer	LYHJY
Number of Batteries	1 Lithium Ion batteries required. (included)
Brand	LYHJY
Battery Cell Composition	Lithium-Phosphate
Recommended Uses For Product	Indoor/Outdoor
Unit Count	1.0 Count

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?

Frequent Users
Ideal for users who need reliable power for devices like doorbells and flashlights on a consistent basis.
Outdoor Enthusiasts
Great for campers and hikers who rely on headlamps and portable lights during nighttime adventures.
Cost-Conscious Buyers
Perfect for budget-minded consumers looking for rechargeable batteries that reduce long-term costs and environmental waste.

High-Powered Devices
Not suitable for devices requiring higher voltage or power, as these batteries may not provide adequate performance.

Product Description

2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm 3.7 Volt top Lithium 20A for Doorbells, Headlamps, Flashlights

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Customer Questions & Answers

Question: How to Shop 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm Online From Ubuy?

Answer: It’s easy to shop 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm Available to Shop Online in Bangladesh?

Answer: Yes, at Ubuy Bangladesh this product is available for you to shop at a reasonable price. The 2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Nutritionist's Take

As a nutritionist, it is important to clarify that the product titled '2 Pack 3.7V Rechargeable Battery' does not have direct nutritional benefits as it is not a food product. Instead, it serves as a power supply for electronic devices like doorbells, headlamps, and flashlights. However, the environmental impact of using rechargeable batteries can be viewed through a health lens; they help reduce waste and promote sustainability, which indirectly supports public health by minimizing pollution. Potential drawbacks include the risks associated with improper disposal or accidental ingestion, particularly in household settings where children may be present. Overall, while this product does not impact dietary needs directly, its use aligns with sustainable practices that can positively affect community health.

LYHJY 3.7V Editorial Review

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Pros

Rechargeable for convenience
Compatible with multiple devices
Lightweight and portable

Cons

Limited lifespan reported by users

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.

BDT 3068

Order now and get it around Wednesday, September 16

QTY:

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Features & Benefits

High-performance 1200mAh rechargeable battery.
Compatible with a variety of devices including headlamps and digital cameras.
Multiple protections against short circuit, overcharge, and overcurrent.
No memory effect for longer battery life.
Lightweight design at approximately 35g.
Enhances device stability and prevents damage.

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2 Pack 3.7V Rechargeable Battery, 1200mAh, 18 50mm 3.7 Volt top Lithium 20A for Doorbells, Headlamps, Flashlights

BDT 3068

Fast Shipping

Free Return*

Secure Packaging

100% Original Products

PCI DSS Compliance

ISO 27001 Certified

What Stands Out

Product Details

Dangerous Goods

Who Should Buy?

Product Description

Customer Questions & Answers

Nutritionist's Take

LYHJY 3.7V Editorial Review

Customer Reviews & Ratings

Review this product

Pros

Cons

Product Price History

Important information

BDT 3068

Features & Benefits

Ubuy Assurance

Fast
Shipping

Free
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