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Battery INR 21700 - 50E 2Pack
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Product Details
Brand: Samsung
The user is asking for information about a "Samsung Green" INR 21700 battery. Based on the search results, the "green" label likely refers to the Samsung INR21700-50G or possibly the INR21700-48G. It is important to note that a green wrapper is sometimes used on a battery called "Samsung 50G", which is often conflated with or used in place of the more readily available "Samsung 50E". Let's look at the specifications of the Samsung 50G and 50E to clarify.
Samsung INR21700-50G (Green)
- Capacity: 5000mAh
- Chemistry: Likely INR (NMC) based on the "INR" designation.
- Dimensions: 21700 size (21mm diameter, 70mm length).
- Max Discharge Current: The cell handles 15A nicely, according to test results.
- Notes: Tests suggest it needs to be drained fairly low to get full capacity and can get warm at 15A. It is recommended for moderate-power applications like power banks.
Samsung INR21700-50E
- Capacity: 5000mAh
- Chemistry: INR (LiNiMnCoO2), a variant of NMC chemistry.
- Dimensions: 21700 size (21.25mm diameter, 70.80mm length).
- Max Continuous Discharge Current: 9.8A (10A).
- Max Pulse Discharge Current: 14.7A.
- Notes: This battery is often recommended for e-bikes, battery packs, and power tools due to its high capacity and discharge rate. It is important to note that the Samsung 50E is typically sold as an unprotected, flat-top cell for industrial use or battery pack building.
In summary:
If you are looking for a "Samsung Green" INR 21700 battery, you are likely looking for either the Samsung 50G or the Samsung 50E. The 50E appears to be the more commonly available of the two, with widely documented specifications indicating a 5000mAh capacity and a 9.8A (10A) continuous discharge rate. However, based on the test results, the 50G seems to be capable of handling slightly higher discharge currents.
Important safety note: These are unprotected cells. Use them with caution and consider using a battery management system (BMS) in your application. Also, be wary of purchasing these cells from untrusted sources, as counterfeits are common, according to Reddit users. It is recommended to buy from reputable battery suppliers
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Battery INR 21700 - 50E 2Pack
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