DrPhone BAT18 NCR18650B Li-ion Battery Flat Top - 3400mAh - 3.7V - Rechargeable

The DrPhone BAT18 NCR18650B is a high-quality rechargeable lithium-ion battery that excels in performance, reliability and safety. This cell is based on the proven NCR18650B technology and delivers an impressive capacity of 3400mAh at a voltage of 3.7 volts. It is therefore ideal for applications where long-lasting power supply is essential.

Thanks to its long lifespan and consistent power output, the BAT18 NCR18650B is a smart choice for both hobbyists and professionals.

Flat Top
- Flat Top: The top is flat, without a protruding "button".
- Feature: No extra metal on the positive terminal → more compact.
- Advantage: Better suited for battery holders and series connection.
- Not suitable for:
- Many consumer devices such as flashlights with only one battery without a spring, or toys where a physical button is needed for contact.
- Chargers that only accept button top, because otherwise the contact point does not touch the battery. For this you need the button version. Also available from us.

Main features

• High capacity of 3400mAh
  Ideal for applications requiring long-lasting power. This battery offers long-lasting performance, even with intensive use.
• Stable voltage of 3.7V
  Suitable for a wide range of electronic devices and applications, both at home and on the go.
• High-quality Li-ion cell technology
  Based on the original NCR18650B model, known for its reliability, safety and efficiency.
• Rechargeable and durable
  Designed for long-term use with hundreds of charge cycles without significant capacity loss. An environmentally friendly alternative to disposable batteries.
• Widely applicable: Commonly used in e-bikes, laptops, flashlights, DIY projects. Flat top 18650 batteries are intended for technical or DIY use where you are responsible for assembly or protection (BMS). If you just want a battery for a flashlight, vape or other standard device, a button top is usually more convenient.

Technical specifications

• Model: NCR18650B
• Capacity: 3400 mAh
• Nominal voltage: 3.7V
• Chemical composition: Lithium-ion (Li-ion)
• Dimensions: approx. 18.5 mm diameter x 65 mm length
• Weight: approx. 48 grams
• Rechargeable: Yes, via suitable Li-ion charger

Note:

• Always use a suitable charger designed for Li-ion batteries.
• This battery is not intended for use in devices that do not provide protection against overcharging or deep discharge (unless you choose the protected version).
• Keep batteries away from heat, moisture and direct sunlight.