3.7v 2000mah 18650 Li-Ion Battery
18650 lithium-ion battery is a Li-ion rechargeable battery with a 2000 mAh Battery Capacity. This is not a standard AA or AAA battery but is very useful for applications that require continuous high current or high current in short bursts like in cameras, DVD players, iPod, etc.
These 3.7v 18650 li-ion battery 2000mah are safe to use, environment friendly and have long battery life. This li ion battery comes with high energy density and provides excellent continuous power sources to your device.
It should be used with a protection circuit board that guards the 18650 battery against over-charge, over-discharge of the pack, and avoid over-current drawn.
It is very easy to use the cell in any circuit just solder the wires on the terminals or use 18650 li-ion battery holders to easily replace the used cells. Care must be taken while handling Li-ion batteries as they are volatile and inflammable and should not be handled roughly and punctured.
Also, don’t overcharge and discharge beyond a certain point as gases accumulated inside might result in explosions and fire. So always use the Protection board while using Li-Ion cells.
Looking for the Best Price for a 3.7V 2000mAh 18650 Li-Ion Battery Online?
At Robocraze, the price starts at just ₹59, making it one of the most affordable options for makers, students, and industry professionals. The final price may vary depending on current offers, bulk quantity, and stock availability. Unlike many low-cost alternatives in the market, our batteries are carefully sourced and quality-checked to ensure stable voltage output, reliable discharge performance, and longer cycle life. When you buy from Robocraze, you're not just getting a competitive price — you're investing in dependable power performance that outlasts generic competitors.
Note: We do not recommend using this 3.7v 18650 lithium ion rechargeable battery for critical applications. The capacity and performance of the cell might vary based on charging and discharging parameters. Please note that we do NOT provide any guarantee/warranty on this product.
Read our blog about Battery AH means, It covers all the details of batteries.
Features:
- Safe to use, environment-friendly, and with long battery life
- High energy density for excellent continuous power sources
- Use with a protection circuit board to guard against over-charge, over-discharge, and over-current
- Easy to use in any circuit by soldering wires on the terminals or using battery holders
Safety & Usage Guide
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Charging: Use a CC–CV Li-ion charger, stop at 4.2V max. Recommended current ≤ 1A.
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Discharging: Do not go below 2.75V (3.0V recommended). Avoid short circuits or over-discharge.
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Temperature: Charge between 10°C–45°C; allow cooling if battery heats up.
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Storage: Keep at 3.8–3.9V (40–60% charge) in a cool, dry place (15–25°C).
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Protection: Always use with a protection circuit to prevent over-charge, over-discharge, and over-current.
Applications:
- Cordless Phones
- Tablet PC GPS
- iPod, DVD, MP4 Player, etc.
- Mobiles backup power supply/Power bank
Compatible Devices
- Portable power banks and battery packs
- Flashlights and LED torches
- Bluetooth speakers and wireless gadgets
- RC cars, drones, and toys (with protection circuit)
- Handheld devices and small appliances using 3.7V Li-ion cells
- Arduino and Raspberry Pi–based projects
Key Differences: 18650 Battery 2000mAh Vs 3000mAh
| Feature |
18650 Battery 2000mAh |
18650 Battery 3000mAh |
| Nominal Voltage |
3.7V |
3.7V |
| Capacity |
2000mAh |
3000mAh |
| Runtime |
Moderate usage time |
~50% longer runtime per charge |
| Discharge Current |
Ideal for moderate loads (≤2A) |
Good for longer low–medium loads |
| Charge Time |
Faster charging |
Slightly longer due to higher capacity |
| Weight |
Lighter |
Slightly heavier |
| Price |
Lower cost |
Higher cost |
| Best For |
DIY projects, small gadgets, moderate loads |
Long runtime devices, robotics, power banks |
| Key Advantage |
Affordable and compact |
Extended usage per charge |
3.7V 2000Mah 18650 Li Ion Battery Specifications Comparison:
| Parameter |
3.7V 2000mAh 18650 Li-Ion Battery |
Typical Low-Cost 18650 Cell |
Premium 18650 Cell |
| Nominal Voltage |
3.7V |
3.7V |
3.7V |
| Capacity |
2000mAh |
1200–1800mAh |
2500–3000mAh |
| Battery Type |
Lithium-Ion |
Lithium-Ion |
Lithium-Ion |
| Rechargeable |
Yes |
Yes |
Yes |
| Cycle Life |
Good (Standard Usage) |
Lower |
High |
| Best Suitable For |
Robotics, DIY Projects, Power Banks |
Low-drain Devices |
High-drain Devices |