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21700 Lithium Rechargeable Cell: 3.65V 4000mAh (14.6Wh) - UN38.3 Passed
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Your Price: From $8.90 to $11.90
Product Options
| Tab: |
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Features
| Cell |
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| Voltage |
- Nominal Voltage: 3.65V @0.2C
- Charge Voltage: 4.2V±0.03V
- Discharge Cut off Voltage: 2.75V
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| Capacity (0.2C Discharge) |
- Nominal Capacity: 4000 mAh
- Minimum Capacity: 3900mAh
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| Standard Charge (25°C±2°C) |
- CC/CV
- Current: 0.5C (2000mA)
- Voltage: 4.20V
- End of current: 80mA±5mA
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| Max. Charge Current |
- 0°C ≤ T ≤ 5°C, 0.1C (400mA)
- 5°C < T ≤ 15°C, 0.2C (800mA)
- 15°C<T ≤ 45°C, 0.5C (2000mA)
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| Standard Discharge |
- CC
- Current: 0.5C (2000mA)
- End of Voltage: 2.75V
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| Max. Continuous Discharge Current |
- -20°C ≤ T ≤ 5°C, 1C (4000mA)
- 5°C < T ≤ 45°C, 3C (12000mA)
- 45°C <T ≤ 60°C, 1.5C(6000mA)
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| Cycle Life (25°C±2°C, 0.5C Charge/1C Discharge) |
- ≥ 80% Capacity after 1000 cycles
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| Temperature |
Charge: 0 to +45ºC
Discharge: -20 to +60ºC
Storage:
- 1 month: -20 to + 60ºC
- 3 month: -20 to + 40ºC
- 12 month: -20 to + 20ºC
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| Dimension (DxH) |
21.7±0.2mm, 70.9±0.2mm |
| Weight |
69±2g (2.7oz) |
Please download the Specification here
Warnings
- Li-Ion Batteries may explode if charged or discharged improperly.
- Please possess knowledge of electronic and understand hot to handle Li-ion battery.
- We reserve the right not to sell and void the warranty it you don't meet the above statement.
- Please use a protection IC (PCB) to keep battery from overcharge and over discharge
- Never solder directly onto the Li-ion battery as overheat might cause battery to explode. If you are making a pack or need to solder batteries together, you need to get battery with tabs on it. You will solder to tabs instead directly onto the battery.
- Please read more safety warning about Li-ion battery
- California residents: Warning: Cancer and Reproductive Harm - See Prop 65 Warnings
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Related Products
- For DIY, please add tabs as an option at a little extra cost
- Our battery packs build by 21700 cells.
- Need to DIY? Please install our PCB or your own PCB withthe following features:
- 4.2V/cell over-charge protection
- 2.5V/cell over-discharge protection
- Max currentover-drain protection
- Shortcircuit protection.
- Batteryspace.com is NOT liable for any misuse due to any other brand of PCB applied
- If you don't know how to make Li-Ion pack, please don't DIY, click here to choose a pre-wired Li-Ion pack module from 3.7V-37V
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Your Price: We do not sell single cells.
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Your Price: We do not sell single cells.
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Your Price: We do not sell single cells.
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Your Price: We do not sell single cells.
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Your Price: We do not sell single cells.
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