Lishen LR21700SF 3.6V - 3.7V with 4500mAh Li-Ion battery 13.5A
Item number: 100847
Manufacturer: Lishen
Lishen developed the LR21700SF all-round cell to cover a wide range of applications. Not only energy storage systems benefit from the cell's cycle stability, but also all other applications up to max. 13.5A discharge current.
The LR21700SF with 4600mAh nominal capacity and 13.5A (13500mA) discharge current.
For applications such as electric scooters, Segways, e-mountain bikes, model making, oat boards, e-cig battery carriers up to 50W, storage systems, powerbank, torches with own protection electronics.
Short profile of the company Lishen.
Lishen in Shenzhen (China) has been one of the premium Asian manufacturers for a long time. Besides other big names in the industry, Lishen supplies automotive, household goods and electronics manufacturers. "Lishen Battery works with many globally operating companies and manufacturers, including Apple, Samsung, Dell, HP, Huawei and Lenovo.
Information on battery size 21700.
The advantages of the new battery size: due to the larger volume, the performance can be significantly increased compared to the smaller 18650, even with identical "technology". The battery size 21700 will replace the standard size 18650 in the future.
Typical characteristics of the LR2170SF:
| Rated capacity | 4600mAh |
| Minimum capacity | 4400mAh |
| Rated voltage | 3.6V - 3.7V |
| Charging end voltage | 4,2V |
| Discharge voltage | 2,75V |
| max. discharge current (constant) | 13,5A |
| max. discharge current (pulse) | 15A - 25A |
| Charging current | 0.xx - 2A |
| Protection electronics BMS | none |
| Positive pole | flat (Flat Top) |
| Diameter | 21.7 mm ± 0.2 mm |
| Height | 70.9 mm ± 0.2 mm |
| Weight | 69.0 g ± 2g |
| Charging method | CC-CV |
Discharge curves and evaluation.
www.e-cigarette-forum.com/LR2170SF
Safety instructions:
Note: Lithium cells may only be operated with protective electronics!
Please note that lithium cells may only be used by authorised specialist personnel.
Incorrect handling or short-circuiting may result in fire or explosion.
Further characteristics:
Lithium-ion batteries are thermally stable and are not subject to memory effect.
They work on the basis of lithium and are characterised by a high energy density.
| Charging current | 0.xx - 2250mA |
| Charging time at 2000 mA | approx. 4h |
| Operating temperature charging | 0 °C - 45 °C |
| Operating temperature discharging | -20 °C - 50 °C |
Notes:
Charging lithium-ion batteries requires a special charger that charges the batteries according to a special charging procedure. (CCCV = constant current, constant voltage.) The batteries must not be charged above a voltage of 4.2 volts, otherwise there is a risk of fire and explosion. It is advantageous to charge the batteries only up to approx. 4.1 volts, as this significantly increases the service life or the number of charging cycles (possibly up to double). Only lithium-ion chargers may be used for charging. However, the cheap chargers sometimes have the disadvantage that they do not switch off safely at the end of the charging process, but continue to charge the batteries with a small charging current, which can be dangerous.
Furthermore, rechargeable batteries and batteries do not belong in household waste! Please dispose of them as prescribed by law at the municipal collection points or in the [usually green] containers provided by retailers.
Tianjin Lishen Battery Joint-Stock Co., Ltd.
Lishen
Inside Outer Ring Road: No.6, Lanyuan Road, Huayuan Industrial Park
Tianjin
https://en.lishen.com.cn/
Luxtrim GmbH
Magnolienweg 8
63741 Aschaffenburg
Deutschland
info@luxtrim.de
Product Inquiries
Questions about the product via email
If you have further questions about the product, please contact: info@akkuteile.de
We will respond to your email within 1 business day.
You can reach our support team Monday to Friday from 9:00 AM to 3:00 PM at 06021 - 9212263
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For non-EU countries, only the net prices of the respective items apply, without German VAT. Customs fees will be charged separately. Import taxes must be paid according to the respective country's regulations.
Unless otherwise specified in the product description, delivery within Germany takes place within 1–5 days, and international deliveries within 3–9 days after order confirmation (in the case of agreed prepayment, after receipt of payment). Please note that there are no deliveries on Sundays and public holidays. In case of self-collection, we will inform you by email when the goods are ready and available for pickup. In this case, no shipping costs will be charged.
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