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BTCAP 4000mAh 70A -40℃ High Drain 21700 Lithium ion battery
BTCAP 4000mAh 70A -40℃ High Drain 21700 Lithium ion battery
BTCAP 4000mAh 70A -40℃ High Drain 21700 Lithium ion battery
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BTCAP 4000mAh 70A -40℃ High Drain 21700 Lithium ion battery

BTCAP INR21700P4R4200 21700 battery offers a powerful combination of high capacity, reliability, and safety.

With a 4000mAh capacity and a 70A continuous discharge rate, it's perfect for high-drain vape mods and devices.

The battery's stable voltage platform and INR lithium-ion technology ensure consistent performance, while its 400+ cycle life highlights durability @ 6A Charge & 40A discharge.

The built-in safety valve provides extra protection in high-temperature situations, making it a dependable choice for your vaping needs.

Regular price $6.99 $4.59

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BTCAP 4000mAh 70A -40℃ High Drain 21700 Lithium ion battery

Estimated Delivery : - .

EU US UK AU AE SA NZ HK IR IL UA NO CH Delivered within 10-15 days.
2 Years Warranty & 7/24 Techical support
30 Days Hassle Free Returns

WE SHIP WORLDWIDE, PLEASE CONTACT US FOR A CUSTOM SHIPPING QUOTE.

BTCAP 4000mAh 70A -40℃ High Drain 21700 Lithium ion battery

DESCRIPTION

Technical Specifications:

  • Model: INR21700-40P
  • Brand: BTCAP
  • Capacity: 4000mAh
  • Voltage: 3.6V
  • Cell Type: Lithium Ion - INR / Lithium Nickel Manganese Oxide / LiMnNiO
  • Charge: Yes
  • Top Type: Flat Top
  • Protection: Anti-explosion valve (can not replace BMS/PCB board)

Please refer to the specification section for other parameters

Failure to read and follow the lithium-ion safety instructions and warnings may result in fire, personal injury and property damage if the battery is charged and/or used improperly.

To safeguard your well-being and to prolong the battery's lifespan and robustness, adhere to the following guidelines:

- Refrain from over-discharging or overcharging the 21700 high drain battery. Such actions can diminish its lifespan and, in some cases, may lead to battery rupture or leakage.

- Avoid short-circuiting the 21700 vape mod at all costs, as it can result in a surge of excessive current.

- Keep a safe distance from fire! Never discard any type of battery in or around flames.

- Do not stack batteries, as doing so could potentially cause an explosion, resulting in serious harm to yourself and your surroundings.

- Regularly inspect the battery for signs of wear and tear. If any are present, please dispose of the battery responsibly.

- Dispose of dual 21700 mod batteries according to regulations; throwing them in the trash is prohibited by state law.

 

Please be aware that there are inherent risks associated with the use of 21700 mod rechargeable batteries under any circumstances. Poover.tech and any of its affiliated entities shall not be held liable for any damages resulting from the modification of batteries, chargers, devices, or any other products we offer, including those involved in pack assembly.

Poover.tech and its parent and subsidiary companies are not responsible for any injuries, damages, or defects, whether permanent or temporary, caused by the improper use of Li-ion (Lithium-ion), LiPo (Lithium-ion Polymer), or any other rechargeable batteries and chargers. It is crucial to have a thorough understanding of the batteries and chargers you are using and to know how to maintain them properly.

When handling Li-ion, LiPo, or any other rechargeable cells, exercise caution and handle them with care, as they are sensitive to charging conditions and can pose a risk of explosion or fire if mishandled. Ensure you have comprehensive knowledge of all rechargeable batteries before using them. Always charge batteries on a clean, fire-resistant surface and never leave them unattended during charging. If there are visible signs of damage on the batteries, do not use them. Always store, keep, and transport rechargeable cells in a safe, non-conductive container within a controlled environment.

Avoid using any 21700 battery for vape or charger if there is visible damage or if the cell or charger has been subjected to stress through mishandling, even if no damage is apparent. Always store and transport rechargeable cells in a safe, non-conductive container in a controlled setting. Dispose of battery cells, chargers, or any other electronic devices in compliance with local regulations and guidelines.

SPECIFICATION

SAFETY INSTRUCTION

Hot Test - No explosion, no fire

The standard rechargeable battery (4.2V)is heated to1 30+2°C at a heating rate of 5°C/min and heated in theoven for 10 minutes.

Sea Water Immersion Test - No explosion, no fire

The cell was immersed in 3.5%NaCl solution (massfraction, simulated seawater composition at normaltemperature) for 2h.

Over-discharge Test - No explosion, no fire,no leakage

Constant discharge with 1C current for 90min, then observed for 1h.

Overcharge Test - No explosion, no fire

Batteries fully discharged by the standard discharge process are charged to 4.6V at 13.2A constant current.charged at 4.6V constant voltage, and the test is ended when the surface temperature drop value of the battery reaches 20% of the maximum temperature or the total charging time reaches 7h.

Short-circuit Test - No explosion, no fire

Short the positive and negative terminals of the battery, the total resistance of the external line 80 + 20mΩ, when the battery voltage <0.2V and the surface temperature of the battery is restored to within 10 'C difference from the ambient temperature, end the experiment.

Thermal Shock Test - No explosion, no fire

After fully charged according to the standard charge method, the cell is put in an oven. Then set the oven temperature as follows:

(1)Decrease the oven temperature from chamber temperature to -40°C within 60 min and keep the cel l under -40°C for 90 min;

(2)Raise the oven temperature from -40C to 25°Cwithin 60 min;

(3)Raise the oven temperature from 25°℃ to 85°C within90 min and keep the cell under 85°C for 10 min;

(4)Decrease the oven temperature from 85°C to 25°Cwithin 70 min;

(5)Repeat the sequence for a further 4 cycles. After wards, the cell is observed for 1h.


Low Pressure Test - No fire, no explosion and no leakage with less than 10% of OCV drop

After charging according to the standard charging method, the battery cell is stored for 6 hours at 25+3°Cand an absolute pressure of 11.6kPa. Low-pressure area test shall be carried out according to UN38.3 standard.

Forced Discharge Test - No explosion, no fire

A discharged cell is subjected to a reverse charge at 2.0A(0.5C) for 90 min.

WARNING

Instructions

  1. The operating temperature of lithium-ion batteries should not exceed the upper or lower limit of rated temperature.
  2. Lithium-ion batteries should be used within the rated voltage range.
  3. Please confirm the polarity of the lithium-ion battery before use, and reverse connection is prohibited.
  4. The external environmental temperature has a significant impact on the lifespan of lithium-ion batteries. Please stay away from heat sources.
  5. Do not come into direct contact with water, oil, acid, or alkali for lithium-ion batteries.
  6. Do not squeeze, nail or disassemble lithium-ion batteries.
  7. Although the cell contains no environmentally hazardous component, such as lead or cadmium, the battery shall be disposed according to the local regulations when it is disposed.
  8. This product has a certain voltage value before shipment. Do not short-circuit the positive and negative terminals during use.

12.2 Storage

  1. Lithium ion batteries should not be placed in places with a relative humidity of over 85% or containing toxic gases. In such environments, the leads and casing are prone to moisture and corrosion, leading to circuit breakers in lithium-ion batteries
  2. If batteries need to be stored for a long time, please store them in a well ventilated area with a temperature of 25+3°C, a relative humidity of below 60%, a voltage not exceeding 3.50V, and no exposure to sunlight.

13. Shipment

The capacity of delivery cell is approximately at 20~ 45% of charging. It is not specified more than 45% capacity remain at customer, because of self-discharge. During transportation, keep the cell from acutely vibration, impacting, solarization, drenching.

14. Warranty

From the date of shipment, the shelf life of the battery cells is determined by the contract.However, during this period, if there are quality issues with the battery cells caused by customer misuse rather than the manufacturing process of BTCAP, BTCAP does not promise to replace them for free.

BTCAP assumes no responsibility for any issues arising from violating safety regulations during operations.

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