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3.7 Volt 2900mah Rechargeable Battery
3.7 Volt 2900mah Rechargeable Battery Specification
- Shelf Life
- 1 Years
- Usage & Applications
- Commercial
- Features
- Long lifespan
- Batteries Type
- Li Ion
- Battery Capacity
- 2900 Milliampere-hour (mAh)
- Nominal Voltage
- 3.7 Volt (V)
- Cover
- NO
3.7 Volt 2900mah Rechargeable Battery Trade Information
- Minimum Order Quantity
- 50 Pieces
- Supply Ability
- 1000 Pieces Per Month
- Delivery Time
- 2-10 Days
- Main Domestic Market
- All India
About 3.7 Volt 2900mah Rechargeable Battery
3.7V 2900mAh rechargeable lithium battery, which is a single-cell lithium-ion battery. This is a very common type of battery, often used in compact electronics and DIY projects.
3.7V 2900mAh Lithium-Ion Battery Overview
| Specification | Description |
|---|---|
| Voltage (Nominal) | 3.7V |
| Full Charge Voltage | 4.2V |
| Cutoff Voltage | 3.0V (some BMS go as low as 2.5V, but 3.0V is safer) |
| Capacity | 2900mAh (2.9Ah) |
| Energy | 10.7Wh (3.7V 2.9Ah) |
| Chemistry | Lithium-ion (most likely an 18650 cell) |
| Rechargeable | Yes |
| Typical Size | 18650 (18mm diameter 65mm length) |
| Protection Circuit | Some versions include built-in PCB/BMS, others are bare cells |
Common Applications
-
Flashlights
-
Vape devices
-
Portable fans
-
Power banks
-
Solar garden lights
-
Battery packs (RC, robotics, etc.)
-
DIY electronics (Arduino, ESP32, etc.)
Charging Guidelines
| Aspect | Details |
|---|---|
| Charger Voltage | 4.2V (constant current/constant voltage) |
| Charging Current | 0.5C to 1C 1.4A to 2.9A (typical) |
| Recommended Current | 1A1.5A for longevity |
| Charger Type | Use a dedicated Li-ion charger, NOT a NiMH or USB phone charger unless it's made for 18650 cells. |
| Charging Time | 2.5 to 4 hours depending on current |
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Contact Details
Goyal Brothers
GST : 06CDCPK2600P1ZM
- Dhanoura Jattan, Mustafabad Road, Ladwa,Kurukshetra - 136132, Haryana, India
- Phone :07971459612
Send Inquiry
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