10-YEAR WARRANTY + FREE SHIPPING ON ORDERS OVER $49

Categories

Menu

21700 5000mAh Rechargeable Li-ion Battery

$23.90
PRICE BREAKS - The more you buy, the more you save
Quantity2+4+8+
Price$23.90$19.90$17.90

This is a high-capacity 21700 Li-ion rechargeable battery built for longer runtimes at higher levels built for a large current output of up to 15A an a capacity of 5000mAh. It also includes a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. 500 charging cycles.

Free shipping

This product has a minimum quantity of 2

DETAILS

  • 500 Recharge Cycles
  • 5000mAh Capacity
  • Lithium-ion rechargeable
  • Charging Current: 2A recommended, 3A Maximum
  • Continuous Discharge Current 15A MAX
  • Steel Shell Riveting
  • Multiple Layers of protection
  • Pressure Relief Valve Protection
  • Separate Microporous Protection
  • Overcharge, Over-discharge, Short Circuit, and Overheat Protection

SIZE

  • Length: 75.6mm/2.97inches
  • Diameter: 21.7mm/0.85inches
  • Weight: 78g/2.75oz

WARNING

  • Never expose the battery to water or fire.
  • When charging or using batteries, ensure the positive and negative ends correspond with the positive (+) and negative (-) symbols.
  • To extend battery life it is recommended that it is charged every three months or longer when unused for long periods.
  • Keep out of the reach of children.

DETAILS

  • 500 Recharge Cycles
  • 5000mAh Capacity
  • Lithium-ion rechargeable
  • Charging Current: 2A recommended, 3A Maximum
  • Continuous Discharge Current 15A MAX
  • Steel Shell Riveting
  • Multiple Layers of protection
  • Pressure Relief Valve Protection
  • Separate Microporous Protection
  • Overcharge, Over-discharge, Short Circuit, and Overheat Protection

SIZE

  • Length: 75.6mm/2.97inches
  • Diameter: 21.7mm/0.85inches
  • Weight: 78g/2.75oz

WARNING

  • Never expose the battery to water or fire.
  • When charging or using batteries, ensure the positive and negative ends correspond with the positive (+) and negative (-) symbols.
  • To extend battery life it is recommended that it is charged every three months or longer when unused for long periods.
  • Keep out of the reach of children.
Existing reviews

High-Drain Core
This robust 5,000mAh cell is engineered for consistent 15A high-drain performance, ensuring your tactical lights reach their full lumen potential. Its protected design and steel-shell riveting provide professional-grade reliability for any mission-critical gear. Its a bit longer than unprotectec cells though
[hide member info] | 1/13/2026 8:00 PM
Go for it!
Great high-capacity 5000mAh 21700 with 15A discharge and solid protections = perfect runtime match for L30 II and T27. Those bulk discounts make stocking up a no-brainer, especially with free shipping!
[hide member info] | 12/23/2025 6:20 AM
The newest addition to the Acebeam battery family.
Strong and quality battery. There seems to be little to no difference between the 5100mAh battery and 5000mAh battery. There also seems to be no difference between the 3.6 volt and 3.7 volt variations. Both are cross compatible with any light that will accept a 75mm cell.
[hide member info] | 2/27/2024 10:15 AM
Write your own review
*
*
*
*
*

BECOME AN ACEBEAM® DISTRIBUTOR

Become an Acebeam Distributor: Precision Illumination for Professionals

Never forget why you started, and your mission can be accomplished. 
ACEBEAM is translated into Chinese as "top lighting, a perfect light". 
It also represents the original ideal of ACEBEAM brand.  
With our top in the industry technology, manufacturing, customer support, and 10-year warranty, there is no better time to be a part of the ACEBEAM family.

Find out more