Lishen 21700 4000mAh 35A Battery (LR2170LA)

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Description

Lishen 21700 4000mAh 35A Battery (LR2170LA)

Specifications:

Manufacturer Lishen
Model LR2170LA
Size 21700
Positive Terminal
Flat Top
Nominal Capacity 4000mAh
Continuous Discharge Rating (max) 35A / 45A with 80°C temperature cut
Nominal Voltage 3.6V
Maximum Voltage 4.2V
Discharge cut-off Voltage 2.5V
Protected No
Rechargeable Yes
Approx. Dimensions 21.00mm x 70.40mm
Approx. Weight 65.0g
Country of Origin China
Associated Names LR2170LA, Lishen LA
Data Specification Sheet Lishen LR2170LA Datasheet

WARNING:

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. Buyer is responsible for any damage or injury caused by misuse or mishandling lithium ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium ion battery. Do not mix and match old and new, used and unused batteries.

  • DO NOT USE WITH E-CIGARETTE, VAPORIZER, OR SIMILAR DEVICE
  • MISUSING OR MISHANDLING LITHIUM ION BATTERIES CAN POSE A SERIOUS RISK OF PERSONAL INJURY, PROPERTY DAMAGE, OR DEATH
  • BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED
  • ONLY USE WITH PROPER CIRCUITRY IN A PROTECTED BATTERY PACK
  • ONLY USE WITHIN MANUFACTURER LISTED SPECIFICATIONS
  • DO NOT STORE LOOSE BATTERY IN A POCKET, PURSE ETC. - ALWAYS USE A PROTECTIVE CASE OR BOX
  • 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, spot weld only
  • User must be familiar with handling lithium ion batteries before purchase
  • Usage of batteries is AT YOUR OWN RISK
  • ALWAYS charge in or on a fire-proof surface and never leave charging batteries unattended
  • RESELLERS MUST FORWARD ALL WARNINGS TO ALL CUSTOMERS FOR THEIR REFERENCE AND SAFETY

Frequently Asked Questions

Find answers to common questions about our products

Yes. All cells we sell are guaranteed authentic, Grade A, and brand new. Not reclaimed, used, or rewrapped. We also prioritize fresh manufacturing dates, so you’re not receiving cells that have been sitting around for years.

Some sellers offer Grade B cells that can have inconsistent voltage, higher internal resistance, reduced performance, or other issues. You will never receive a Grade B, reclaimed, or used cell from us.

These are sold as bare cells (no welded tabs or leads) unless the listing explicitly states otherwise.

To make pack building easier, our cells are sorted and batched for matching internal resistance, voltage, and date code, so they arrive ready to be assembled into a pack.

U.S. orders ship from Atlanta, Georgia.

For international orders outside the USA, we may ship from a different fulfillment hub depending on the product’s manufacturing location, to ensure faster and more efficient delivery.

Shipments within the USA, delivery in 1–3 days (up to 5). Expedited shipping available. International shipping varies—contact us to inquire.

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