CBJJ
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CBJJ 21700 Battery 5000mah Rechargeable 3.7v for Electronic Devices,2-Pack
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CBJJ 21700 Battery 5000mah Rechargeable 3.7v for Electronic Devices,2-Pack
Long-lasting rechargeable battery compatible with various devices
CBJJ 21700 Battery 5000mah Rechargeable 3.7v for Electronic Devices,2-Pack
Item #: 80139811

CBJJ 21700 Battery 5000mah Rechargeable 3.7v for Electronic Devices,2-Pack

87% of respondents would recommend this to a friend

Item #: 80139811

USD 39

Price Details

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

*All items will import from US

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Order now and get it around Sunday, October 04
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Long-lasting rechargeable battery compatible with various devices
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What Stands Out

High Capacity
With a robust 5000mAh capacity, the CBJJ 21700 battery offers extended usage for electronic devices, ensuring you stay powered longer than standard batteries.
Reusability
These rechargeable batteries provide an eco-friendly alternative, significantly reducing waste and saving costs over time by eliminating the need for disposable batteries.
Versatile Compatibility
Designed for a wide range of electronic devices, the 3.7v CBJJ batteries deliver reliable performance, making them an ideal choice for various applications from flashlights to power tools.

Product Details

Shop the CBJJ 21700 Battery 5000mAh - 2 Pack online at Ubuy British Virgin Islands. Rechargeable and suitable for various electronic devices. Visit us now!
  • 21700 rechargeable li-ion battery with 5000mAh capacity and 3.7V voltage
  • No memory effect and can be recharged up to 1000 times when fully or partially drained
  • Compatible with headlamps, flashlights, toys, RC cars, doorbells, speakers, cameras, and small fans
  • High performance with stable output voltage, preventing damage to devices with high frequency use
  • Warm service with strict testing for normal use and prompt customer support
  • Caution on overcharge, voltage mismatch, and improper battery operation to avoid safety risks

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
  • Tech Enthusiasts

    Ideal for users who frequently utilize high-drain devices like flashlights, drones, or electronic vaporizers.

  • Frequent Travelers

    Perfect for travelers needing reliable power sources for their portable gadgets that support 21700 batteries.

  • DIY Hobbyists

    Great option for hobbyists building custom electronic projects that require high-capacity, rechargeable batteries.

Not Suitable For
  • Low-Demand Users

    Not suitable for users with low-power devices that don’t require high-capacity batteries, which may waste potential.

Product Description

CBJJ 21700 Battery 5000mah Rechargeable 3.7v for Electronic Devices,2-Pack

About This Item

Introducing the CBJJ 21700 Battery 5000mah Rechargeable 3.7v, a high-capacity and long-lasting power solution for all your electronic devices. This pack includes two powerful CBJJ batteries, ensuring that you always have a spare on hand when you need it most. Designed with performance in mind, these CBJJ batteries are specifically engineered to provide reliable and consistent power. Whether you're using them for your smartphone, tablet, or any other electronic device, you can trust that these batteries will deliver exceptional performance. With a capacity of 5000mah, these rechargeable batteries offer a long-lasting power source that will keep your devices running longer.

Say goodbye to constantly swapping out batteries and hello to uninterrupted usage. Not only are these CBJJ batteries high-quality and durable, but they are also surprisingly affordable. We believe that everyone should have access to reliable power solutions, which is why we offer these batteries at a price that won't break the bank. Perfect for e-commerce businesses, these CBJJ batteries are energy-efficient and will help optimize the performance of your devices. With their long-lasting power and reliable performance, you can trust that these batteries will keep your business running smoothly. In addition to the batteries themselves, we also offer a CBJJ battery charger and other power accessories to complement your e-commerce needs.

We understand that having a reliable power source is crucial for online businesses, and we're here to provide you with the best battery options available. Experience the difference of using the best CBJJ 21700 batteries on the market. Invest in a long-lasting power solution that will keep your devices functioning at their best. Order your 2-pack of CBJJ 21700 Battery 5000mah Rechargeable 3.7v today and never worry about running out of power again.

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Customer Questions & Answers

  • Question: Is the battery suitable for headlamps?

    Answer: Yes, the battery is compatible with headlamps.
  • Question: Can the battery be recharged multiple times?

    Answer: Yes, the battery can be recharged up to 1000 times.
  • Question: Is the battery safe to use?

    Answer: As long as it is used properly, the battery is safe to use.

CBJJ All Batteries Editorial Review

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Pros

  • Long-lasting battery life
  • Compatible with various devices
  • Good performance in high-drain devices
  • Includes two batteries in pack
  • Reliable rechargeability

Cons

  • Charging time can be a bit long.

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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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.

USD 39

Order now and get it around Sunday, October 04

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

  • Wide compatibility with multiple devices
  • High performance with stable output voltage
  • Perfect replacement battery for devices with high frequency
  • No memory effect, can be recharged up to 1000 times
  • Capacity: 5000mAh, Voltage: 3.7V, Battery type: Li-ion

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