NCR21700T Rechargeable 3.7V 3500mAh Li-ion Battery
Upgrade your high-performance devices with the exceptional efficiency and reliability of the NCR21700T rechargeable battery. Proudly made in Japan, this premium 3.7V, 3500mAh Lithium-ion battery is engineered for devices that demand significant power. Its high-drain capability and stable output make it the perfect choice for power tools, high-performance flashlights, power banks, and various DIY electronics projects.
🌟 Key Features
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High Capacity & Efficiency: A robust 3500mAh capacity ensures extended usage time, reducing the need for frequent recharges and keeping your devices running longer.
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Powerful High-Drain Output: Rated at an impressive 15A / 5C, this battery is perfect for high-drain applications that require a strong, consistent current.
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Superior Japanese Quality: Manufactured in Japan, guaranteeing top-tier craftsmanship, exceptional reliability, and a long service life.
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Versatile Flat-Top Design: The flat-top terminal makes it compatible with a wide range of devices, including LED torches, energy storage systems, and custom battery packs.
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Stable & Safe Performance: Built with advanced Lithium-ion technology for efficient energy transfer, stable voltage output, and enhanced operational safety.
⚙️ Specifications
| Feature | Detail |
|---|---|
| Model | NCR21700T |
| Battery Type | Rechargeable Lithium-ion |
| Capacity | 3500mAh |
| Nominal Voltage | 3.7V |
| Discharge Current | 15A (5C) |
| Design | Flat Top |
| Origin | Made in Japan |
| Warranty | 7-Day Replacement Guarantee |
📦 Package Includes
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1 × NCR21700T Rechargeable 3.7V 3500mAh Li-ion Battery
❓ Frequently Asked Questions (FAQ)
Q1: What does “high-drain” mean and what devices is this for?
✅ “High-drain” refers to devices that require a large amount of power quickly. This battery is ideal for power tools, high-performance LED flashlights, vaping devices, electric bikes, and other electronics that have powerful motors or bright lights.
Q2: What is the benefit of a “Made in Japan” battery?
✅ Batteries made in Japan are globally recognized for their superior quality control, precision engineering, and use of high-grade materials, which results in better performance, safety, and a longer lifespan.
Q3: Do I need a special charger for this battery?
✅ Yes, you will need a compatible Li-ion battery charger that supports the 21700 cell size. Using the correct charger is essential for safety and for maximizing the battery’s lifespan.
Q4: Is this battery safe to use?
✅ Yes, when used correctly with compatible devices and chargers. Its stable Li-ion chemistry and high-quality manufacturing contribute to its safety, but it’s important to handle all high-capacity batteries with care.
🚚 Home Delivery Information
We are proud to partner with Pathao Courier Service to offer reliable home delivery across all of Bangladesh, ensuring your order reaches you safely and efficiently.
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Inside Dhaka City:
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Delivery Time: 24 to 72 hours
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Delivery Fee: 60 টাকা
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Outside Dhaka City:
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Delivery Time: 48 hours to 3 working days
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Delivery Fee: 120 টাকা
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💸 Special Offer
Enjoy a 100 টাকা cashback on every order when you make an advanced full payment. It’s our way of saying thank you for your trust and support!
💚 Why Buy from TanjuCart.com
When you shop with us, you’re not just buying a product; you’re getting a promise of quality, convenience, and dedicated support.
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✅ 100% Original Products: We guarantee that every item we sell is authentic and sourced from reputable manufacturers.
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🚚 Fast Courier Delivery: Receive your order quickly with our reliable and speedy delivery service across Bangladesh.
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💵 Cash on Delivery (COD) Available: Pay for your product only when it arrives at your doorstep for maximum convenience and peace of mind.
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🔁 7-Day Replacement Guarantee: If you encounter any manufacturing defects, we offer a hassle-free replacement.
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📞 24/7 Customer Support: Our dedicated support team is always available to assist you with any questions or concerns.











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