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Klarus 21700 Battery, 5000mAh, High-Drain 15A, Protected

5.0 out of 5 (3 verified ratings)

Brand:  · 21700 Lithium Battery Cells · SKU: LV-4878 · ✗ Out of Stock

KSh 3,000

Overview

Klarus 21700 5000mAh protected battery with button top terminal and up to 15A continuous discharge. Built-in short circuit protection, rated for 500 charge cycles, for flagship flashlights and gimbals.

Quick Specs

Battery Size:
21700
Capacity:
5000mAh (Li-ion)
Current:
15 A (continuous discharge)
Voltage:
3.7V
Rechargeable:
Yes (500 times)
Protection:
Protected
Top Type:
Button Top
Quantity:
1

Product Description

Klarus 21700 protected battery

A protected cell, which is the detail that matters most if you're not already deep into battery specifics: the built-in circuit guards against short circuits, so it's a safer default choice than a raw cell for someone using it in a single flagship flashlight rather than juggling multiple devices.

5000mAh capacity, 3.6V nominal, button top terminal for compatibility with lights that need the raised positive contact, up to 15A continuous discharge, and rated for 500 charge and discharge cycles.

Specifications

  • 5000mAh, up to 15A discharge
  • Button top, protected
  • 3.6V nominal
  • 500 charge cycles

A solid, low-drama choice for a power-hungry 21700 flashlight or a gimbal. The LiitoKala Lii-40A and XTAR 21700 RAW are unprotected cells rated for higher current draw.

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Best Uses

A direct fit for the Klarus XT21X, XT21C, XT45R and RS40, or any other 21700 flashlight or gimbal that takes a protected button-top cell.


What's in the Box

  • 1x Klarus 21700 5000mAh battery

Product Specifications

SpecificationDetails
Battery Size21700
Battery ChemistryLi-ion
Top TypeButton Top
Protection TypeProtected
Capacity5000mAh
Voltage3.7V
Energy18Wh
Rechargeable
USB Rechargeable
Max Continuous Discharge15A
SpecificationDetails
Cycle Life500 cycles
Quantity Included1

Compatible Products

Verified to work with this battery

8 matches

Compatible Flashlights(4)

21700
4.0 1 verified rating
“Got it fast! Delivery was on point and reliable.” Joseph ✔ Verified Purchase Read all 1 reviews
KSh 4,000
21700
5.0 1 verified rating
“This torch lights up everything so far.” Alex ✔ Verified Purchase Read all 1 reviews
KSh 13,000
21700 / 18650
4.0 2 verified ratings
“Costly but it is worth it. Very genuine guys” Steve ✔ Verified Purchase Read all 2 reviews
KSh 19,500
21700 No ratings yet KSh 4,000

Compatible Chargers(4)

8-Bay 10440 / 14500 / 16340 / 17500 / 18350 / 18650 / 20700 / 21700 / 26650 / AA / AAA / C USB-C
4.0 1 verified rating
“Nimeipenda sana hii charger inacharge haraka na inaonyesha capacity ya betri vizuri.” Martin ✔ Verified Purchase Read all 1 reviews
KSh 8,000
1-Bay 10440 / 14500 / 16340 / 17500 / 17670 / 18350 / 18650 / 21700 USB Smart Charger No ratings yet KSh 1,200 KSh 1,400
2-Bay 18650 / 18700 / 20700 / 21700 USB-C Smart Charger / Power Bank No ratings yet KSh 3,200
2-Bay 18650 / 21700 USB-C Smart Battery Charger No ratings yet KSh 4,100

Frequently Asked Questions

6 questions
This 21700 Li-ion battery is compatible with flashlights, torches, headlamps, gimbals, and other electronic devices that accept 21700 rechargeable batteries. Always check your device manual to confirm the recommended battery size and chemistry before use.
It has a capacity of 5000mAh. The nominal voltage is 3.7V.
Yes — this is a rechargeable Li-ion battery that requires an external compatible charger. It does not have a built-in USB charging port. Make sure to use a quality charger that matches the battery size and chemistry.
Store Li-ion batteries in a cool, dry place away from direct sunlight and heat sources. Keep them in a plastic battery case or storage box. Do not carry loose batteries in your pocket with keys, coins, or other metal objects. For long-term storage, keep the battery at about 3.6-3.7V (about 40-60% charge).
You can buy it from Lumen Vault Kenya and enjoy fast and reliable delivery in Nairobi and across Kenya. Contact us via phone or WhatsApp for quick assistance or to place your order easily.
Yes – we offer fast nationwide delivery across Kenya within 24 hours. Nairobi and surrounding towns usually get same-day or next-day delivery.

PRODUCT REVIEWS (3)

27-07-2026 by Simon S Verified Purchase

Battery hii ni poa sana ina nguvu ya kutosha for my flashlight. Imenisaidia sana usiku!

03-09-2025 by Dhanraj Verified Purchase

Original stuff

31-07-2025 by Arjun Verified Purchase
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