18650 Lithium-ion Battery Flat Top Any Color Any mAh Rechargeable Cell 3.7V

Specifications  

• 18650 lithium-ion battery
• Cell Type: 18650 Lithium-Ion  
• Head Type: Flat Top  
• Nominal Voltage: 3.7V  
• Full Charge Voltage: 4.2V  
• Discharge Cut-off Voltage: 2.5V-3.0V  
• Dimensions: Diameter 18mm x Length 65mm  
• Weight: Approximately 45-50g (varies by capacity)  
• Available Colors: Purple, Grey, Blue, Green, and others  
• Chemistry: Li-ion (various grades available)  
• Operating Temperature: Charge 0°C to 45°C, Discharge -20°C to 60°C  
• Cycle Life: 500-600+ cycles  

Features  

• Standard 18650 size with flat top design for easy soldering and pack building  
• Available in multiple vibrant colors for easy identification in projects  
• High-quality lithium-ion chemistry for reliable 3.7V nominal voltage  
• Rechargeable with thousands of charge cycles  
• Protected or unprotected options depending on variant  
• Ideal for high-drain devices like torches, vapes, and power tools  
• Compatible with most 18650 chargers and holders  
• Perfect for custom battery packs and DIY electronics  
• Upgrade your power needs with our premium 18650 Flat Top Lithium-Ion Batteries, available in a variety of colors to suit your style and organization preferences in Bangladesh. These standard-sized rechargeable cells feature a flat positive terminal, making them perfect for soldering into custom battery packs, DIY projects, and applications requiring direct contact connections.
• With a nominal 3.7V output and high energy density, these 18650 batteries deliver consistent performance for high-drain devices such as LED flashlights, vape mods, portable power banks, electric tools, and electronics prototypes. The colorful wrappers (purple, grey, and more) help you easily identify different capacities or voltages in multi-cell setups, reducing mix-up risks.
• Built with quality lithium-ion cells, they support hundreds of recharge cycles when used with proper chargers. Whether you’re building a powerwall, upgrading your torch, or creating a custom e-bike pack, these versatile flat top 18650 batteries offer reliability and flexibility.

What is the price of 18650 Flat Top Lithium-ion Battery Any Color Any mAh Rechargeable Cell 3.7V in Bangladesh?

The latest price of 18650 Flat Top Lithium-ion Battery in Bangladesh is Price: ৳147.50 to Price: ৳245.00 taka for 1Pcs battery. You can buy this product at better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.

Buy 18650 Flat Top Lithium-ion Battery Any Color Any mAh Rechargeable Cell 3.7V in Bangladesh from online at Dunia.com.bd.

In Bangladesh, you can get original 18650 Flat Top Lithium-ion Battery From Dunia.com.bd . We have few collection of latest লিথিয়াম ব্যাটারি to purchase. Order ব্যাটারি, স্টোরেজ ব্যাটারি চার্জার Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ  

1. What is the difference between flat top and button top 18650 batteries? 
   Flat top has a flat positive terminal for soldering/pack building; button top has a protruding nipple for direct device fit.
2. Are these 18650 batteries protected? 
   Some variants include built-in protection circuits; check product options for protected vs unprotected cells.
3. What devices are compatible with these batteries? 
   Flashlights, vape devices, power banks, laptops (packs), drones, and any 18650-compatible gadget.
4. Why are there different colors? 
   Colors help distinguish between capacities, brands, or voltages in multi-battery projects for safety and organization.
5. Can I use these in series or parallel? 
   Yes, flat tops are ideal for custom packs – always match cells and use proper BMS for safety.
6. What charger should I use? 
   Any quality 18650 Li-ion charger with CC/CV charging up to 4.2V.
7. Are these batteries genuine or rewrapped? 
   High-quality cells, often rewrapped for color coding and branding.
8. What is the voltage range? 
   Nominal 3.7V, fully charged 4.2V, discharge down to 2.5-3.0V.
9. How many recharge cycles do they support? 
   Typically 500-1000+ cycles with proper use and charging.
10. Are flat top 18650 safe for high-drain applications? 
    Yes, excellent for high current draw when using high-quality cells.