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QSO 21700 4000mAh 30A Battery (VTC6A)

QSO 21700 4000mah 35A INR battery Sony VTC6A

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*All Batteries are sold individually and not in a set or pairs.
Price: $8.99

Stock Status: In Stock

Product Details

QSO 21700 4000mAh 30A Battery

This QSO 21700 battery has tested on par with the Sony VTC6A 21700 battery


  • Model: QSO21700VTC6A
  • Size: 21700
  • Style: Flat Top
  • Chemistry: INR
  • Nominal Capacity: 4000mAh
  • Continuous Discharge Rating: 30A (35A as rated by QSO)
  • Nominal Voltage: 3.7v
  • Protected: No
  • Rechargeable: Yes
  • Approximate Dimensions: 21.35mm x 70.12mm

All batteries contain a label decal stating the approximate voltage and capacity. This label is easily removed to reveal the manufacturer print. The label decal is a requirement by the U.S. Government (IATA) which regulates the shipping of lithium ion batteries.


The user must have appropriate understanding of lithium ion batteries before purchase. Use caution when working with and using lithium ion batteries as they are very sensitive to charging characteristics and may explode, burn, or cause a fire if misused or mishandled. Always charge in or on a fire-proof surface. Never leave batteries charging unattended. This battery is sold for the use of system integrations with proper protection circuitry or battery packs with a battery management system or PCB (circuit board/module). Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. Charge only with a smart charger designed for this specific type of lithium ion battery.
  • Misusing or mishandling lithium ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death
  • ONLY use with proper protection circuitry
  • ONLY use within manufacturer specification
  • DO NOT store loose in pocket, purse, etc. – always use a protective case
  • KEEP AWAY from metal objects to prevent short circuiting
  • DO NOT short circuit
  • DO NOT use if wrapper or insulator is damaged or torn
  • DO NOT use if damaged in any way
  • DO NOT overcharge or over-discharge
  • DO NOT modify, disassemble, puncture, cut, crush, or incinerate
  • DO NOT expose to liquids or high temperatures
  • DO NOT solder
  • User must be familiar with handling lithium ion batteries before purchase
  • Usage of batteries is AT YOUR OWN RISK
Local regulations and laws pertaining to the recycling and disposal of lithium ion batteries vary so please consult your local jurisdiction regarding appropriate disposal. Many retail stores offer free recycling of rechargeable batteries.

Average Rating: 5 of 5 Total Reviews: 5 Write a review »

  0 of 0 people found the following review helpful:
Great! April 7, 2019
Reviewer: Jonathan Stewart from Alvaton, KY United States  
Great shipping every time I’ve ordered.

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  0 of 0 people found the following review helpful:
Shopped a bunch and chose these. April 6, 2019
Reviewer: Dee from MN United States  
Seem to be very nice quality.  Pretty sure these are exact re-wraps of the Sony's, and saved a buck or two going with these.  Mooch gave his thumbs up.

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  0 of 0 people found the following review helpful:
September 14, 2018
Reviewer: Doug Lee  

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  0 of 0 people found the following review helpful:
QSO 21700 4000mAh 30A Battery (VTC6A) September 6, 2018
Reviewer: robertmike thompson from Salt Lake City, UT United States  
#1 these folks have the fastest shipping on batteries that I have ever used!!!
#2 these batteries are simply fantastic!! I have them in a GTRS Vboy 222 and they are lasting me 2-3 days. They test out correctly on my charger and I will be buying more of them soon!!

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  0 of 0 people found the following review helpful:
VTC6A August 21, 2018
Reviewer: Micah from New Jersey  
Cell is as advertised and tested by battery mooch!  Absolute beast!  Quick shipping

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