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SAMSUNG INR21700 40T Li-ion Battery 4000mAh

₪33.21 ₪47.25
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SAMSUNG INR21700-40T 4000mAh 3.7V Lithium-ion Rechargeable Cell


Rated discharge capacity: 3900mAh

Standard discharge capacity: 4000mAh

Nominal voltage: 3.6V

Standard charge: CCCV, 2A, 4.20V, 200mA cut-off

Rated charge: CCCV, 6A, 4.20V, 100mA cut-off

Max. continuous discharge: 35A with temperature cut.

Max. continuous discharge: 45A with 80C temperature cut.

Discharge cut-off voltage: 2.5V

Cycle life: 250 cycles to 60% at 6A charge and 35A discharge.

  • Brand: SAMSUNG
  • Unit: 1pc/pack
  • Model: INR21700-40T
  • Size: 21700
  • Style: Flat Top
  • Continuous Discharge Rating: 35A w/o temperature cut / 45A with 80C temperature cut
  • Nominal Voltage: 3.6v
  • Protected: No
  • Rechargeable: Yes
  • Approximate Dimensions: 21.1mm x 70.4mm
  • Capacity: 4000mAh
  • Package: Simple Packing

High-quality Li-ion battery size 21700 from Samsung with delivery to your country!

The new SAMSUNG INR21700 40T Li-ion Battery 4000mAh that you can buy with the delivery format has a diameter of 21mm and a length of 70mm. But despite being slightly different in size compared to the popular 18650 battery, the 21700 battery offers a lot more in terms of performance. The main task of the new battery format is to replace the traditional 18650 batteries, which are used not only in electronic cigarettes but also in many modern devices.

You can obtain the Samsung INR21700-40T which is a high-current battery, perfect for an electronic cigarette with 21700 batteries. Having bought this battery, you can not worry about its capacity and quality. The lithium battery perfectly withstands current output up to 35A, in operation, it can constantly give 30A. The battery has an excellent declared capacity of as much as 4000 mAh. The manufacturer suggests charging the battery from a 1.5A charger, which will significantly affect and extend the battery life. We can say for sure that buying a Samsung INR21700-40T battery will not upset you.

The SAMSUNG INR21700-40T 4000mAh 35A battery is an original industrial (unprotected) high-power cylindrical Li-Ion battery. It is used in various high-power electrical equipment where a compact and powerful power source is required, such as:

   - rechargeable batteries for screwdrivers and other cordless power tools;

   - rechargeable batteries for electronic cigarettes;

   - rechargeable batteries for quadcopters and other radio models

 and in many other areas.

Unprotected lithium battery SAMSUNG INR21700-40T 4000mAh provides high discharge currents with small dimensions. The life of a Li-ion battery SAMSUNG INR21700-40T 4000mAh is 250 charge/discharge cycles (until the capacity drops to 60% of the nominal) under conditions of charge 6A, discharge 35A

40T Li-ion Battery 4000mAh for the best prices often use the same chargers as 18650/18700 batteries.

Li-Ion batteries cannot be soldered with a soldering iron - they are sensitive to overheating. For mounting on Li-ion batteries, contact pads are welded.

Unprotected Li-Ion batteries cannot be used without special protection boards (PCM) that protect them from overcharging and over-discharging. At a voltage below 2.5V, an unprotected Li-Ion battery fails.

21700 size batteries are a novelty among Li-ion batteries, the scope and popularity of which are constantly increasing. Due to a slight increase in size compared to 18650 batteries (diameter 21mm instead of 18mm, length 70mm instead of 65mm), the capacity of 21700 batteries increased by 20-30% compared to 18650 batteries, which gives a noticeable increase in operating time from a single charge.

Samsung INR21700-40T SDI is a high-quality and reliable high-current 21700 battery that combines a high real capacity of 4000mah and a high current output in continuous mode up to 45A.

21700 Samsung 40T 4000mah 45A batteries are perfect for power tools, electronic cigarettes, mechanical mods, mobile batteries and any other devices with high energy consumption for long and stable work from a single charge.

The 21700 Samsung 40T 4000 mAh battery that you can order online with delivery is a high-current Korean Li-ion IMR battery of 21700 form factor without a protection board. These batteries have a high real capacity of 4000 mAh and can withstand loads up to 45 Amps. 

Samsung 21700 40T batteries for best prices with delivery are perfect for electronic cigarettes and mods, and can also be used as batteries in power tools (screwdrivers, punchers, wrenches, etc.). Samsung 21700 40T batteries have a LiNiMnCo composition, which ensures the ability of these batteries to work with high-load currents with little or no harm to the battery itself. These batteries are in no way inferior to more expensive counterparts (for example, Efest), but Samsung has a more affordable price.

Due to the high capacity and high current INR, the Samsung 40T 21700 batteries can be used in low-medium and high-power devices.

Samsung 21700 40T batteries have a flat positive contact (Flat-top).

Great battery for use in electronic cigarettes and mods.

Samsung 40T (40T3) 21700 (4000mAh, 30A) is a high-current battery of a new generation and a new form factor that combines a high current output of 30A with a high capacity of 4000 mAh.

  • The battery comes in a new 21700 form factor, which was originally developed for the American electric car company Tesla. The new form factor allowed developers to create high-current batteries with a larger capacity;
  • The SAMSUNG INR21700 40T Li-ion Battery capacity is 4000 mAh, which actually increases the battery life by a third compared to standard 18650 batteries;
  • The current output level of the battery, declared by the manufacturer, is 30A, from which we can conclude that the batteries are perfect for users who work with complex spirals, where the resistance is close to the limits of 0.1 Ohm, and also perfect for users of battery packs with powers of 200 W and above;
  • The chemistry in these batteries is Li-ion, so the batteries can be charged with a high current of 2A;
  • With minimal losses in the working capacity, the batteries can withstand up to 300 recharge cycles;

Features of Samsung 40T 4000mAh 21700 batteries for the cheapest prices:

  • They have a high real capacity corresponding to the declared one (4000 mAh);
  • Able to work with high load currents up to 45A;
  • Give full power even at the minimum level of a charge of the accumulator;
  • They have an affordable price among similar batteries from other brands;
  • Made in South Korea.

Samsung 21700 40T batteries were tested on an Opus BT-C3100 smart charger with firmware version 2.2. A preliminary "buildup" of the batteries was not carried out. The batteries from the package showed excellent results: 4023 mAh, 4023 mAh, 4022 mAh and 4063 mAh. The discharge current during testing was set at around 1000 mAh.

Don’t miss the opportunity to order online with delivery of the SAMSUNG INR21700 40T Li-ion Battery! We offer the best prices for all kinds of purchases.

Brands   Samsung
Attr1 (from option)   4000mAh
Attr2 (from option)   Pack1
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