Lishen 21700-LR2170SD 9.6A Flat Top 5000mAh Battery - Grade A Genuine


$ 4.15
5 reviews

SKU: lishen2170sd

This is a CLEARANCE product. No additional quantity discounts will be given. All sales will be considered final. Quantities ordered will not count towards quantity discounts on other products.

An amazing high capacity 5000mAh cell from Lishen

This cell easily competes with other 5000mAh cells like the Samsung 50E or Molicel M50A or LG M50A, while offering higher cycle life, lower price, and better availability.  Offering 5000mAh and 9.6A our of a 21700 size cell is great.  The huge 1000 cycles to 80% capacity cycle life is far better than the others though which will let this cell keep putting out great power for you.

These are grade A cells and are suitable for large battery packs.

Lishen LR2170SD Data Sheet

Lishen LR2170SD 21700 5000mah Specifications:

  • Size: 21700
  • Approximate Diameter: 21.7mm +/- 0.2mm
  • Approximate Length: 70.9mm +/- 0.2mm
  • Brand: Lishen
  • Manufacturer Rated Nominal Capacity: 5000mAh
  • Manufacturer Rated Minimum Capacity: 4900mAh
  • Manufacturer Rated Max Discharge Current:
    • -20-20°C  1.0C (4.8A)
    • 20-35°C  2.0C (9.6A)
    • 35-45°C  1.5C (4.8A)
  • Nominal Voltage: 3.6V
  • Peak Voltage: 4.2V
  • Protected: NO
  • Style: Flat Top
  • Color: Purple
  • Origin: China

Priced per battery, not per pair.

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Batteries are sold individually.

If your battery is damaged or defective on arrival (will not take its first charge, or has issues with its first cycle), please let us know within 14 days of receiving your order and we'll make it right. Please read our complete store policy on defective products here for more information and to see if you're eligible.

Manufacturer ratings: Please see more information regarding manufacturer ratings here.

Battery Warning

Warning: Lithium ion batteries may explode or burn due to improper use. Using these batteries for purposes not intended by the manufacturer, including outside a battery pack and/or without a BMS, may cause severe injury and damage. We are not responsible for any injuries caused by lithium ion batteries - use at your own risk.

All rechargeable batteries have inherent risks under any circumstance. Use caution with working with li-ion batteries (lithium-ion), LiPo (lithium ion polymer), and any rechargeable cells (together "rechargeable batteries"), as they have dangerous charging characteristics and are known to explode or burn if mishandled. A purchaser and user of rechargeable batteries should educate themselves on rechargeable batteries, especially as to charging, discharging, assembly, and storage. Learn more about proper storage and care for rechargeable batteries here. We are not responsible for any damage caused by the misuse or mishandling of rechargeable batteries.

Here are a few tips:

  • Never completely discharge batteries (below 2.5V under load or 3V unloaded)
  • Charge fully (to 4.2V) before first use
  • Never charge batteries to 4.3V or above
  • Do not charge unattended
  • Do not store your li-ion batteries fully charged for an extended period of time (weeks or more)
  • If you must store your battery, only store in a case or individual box in a cool and dry place at approximately 3.6-3.7V
  • Use only high quality battery chargers
  • Do not expose to heat
  • Do not connect the positive contact to the negative contact without an appropriate load
  • Never exceed the battery's specifications
  • Never try to charge or discharge li-ion batteries with battery chargers that are not made for li-ion batteries
  • Always charge these batteries on and within fireproof material
  • Never leave rechargeable batteries in a recharging station unattended
  • Do not use any rechargeable battery or charger if any visible damage is present, or if known mishandling, accidental or otherwise, has occurred
  • Always store and transport rechargeable cells in a safe, non-conductive container (never keep a spare battery loose in a pocket, purse, etc. and always use protective cases)
  • Properly dispose of all battery cells and chargers in accordance with local laws and mandates (if you're unsure, contact your local municipality)
  • If a rechargeable battery overheats, hisses, or bulges, immediately quarantine the battery from any combustible materials - ideally, take the battery outside
  • If a rechargeable battery catches fire, the FAA recommends pouring water or soda on the battery and surrounding areas - ideally, use a foam extinguisher to quell the fire

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Filter Reviews:
donald c.
United States

Great Value

Good battery at a great price what more could you ask for.

  • What device/application do you use this with? Power bank
Yuen W.
United States United States

Wrapper was cut up

Didn't affect battery cuz I put it in 2 flashlights to test it. Just concerned me a bit. Looked like someone used knife to remove wrapper cuz the shape and lines of the cuts.

  • What device/application do you use this with? Flashlights
Mark B.
United States United States

Wonderful batteries at a great price.

They supply the power as advertised.

  • What device/application do you use this with? Four batteries in series feeding a voltage regulator with an output of 9 volts. This is used to power a custom Lego building with 50 LED lights and one more for over 5 hours.
Brian H.
United States United States

Sofirn 21700/Lishen 21700

I'm a fleshaholic, these batteries are identical every way, for a lot less the cost, they're both are rated at 5,000 milliamp hours, the most important thing they all are stackable in flashlights that have two batteries and series, charging them up now thanks brian.

  • What device/application do you use this with? My hundreds of flashlights, there's no place to leave photos
Oscar V.
United States United States

These batteries are really good!

performance was great and I will buy again.

  • What device/application do you use this with? I use this to power cameras

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