LED Battery Indicator Module 5S 18V 21V | Lithium Tool Battery

JAKEHOE LED Battery Capacity Indicator — Know Your Power at a Glance

Never get caught mid-job with a dead battery again. The JAKEHOE 5S 18V/21V LED Battery Capacity Indicator Module gives you a real-time, easy-to-read display of your lithium battery's charge level — right on the pack. Designed for electric tools and power equipment, this compact display module snaps into compatible battery casings for instant, accurate monitoring of your battery status.

Made in Mainland China.

Why You'll Love This Battery Indicator

• Real-Time Battery Monitoring: Always know your remaining charge level so you can plan your work without unexpected shutdowns.
• Clear LED Display: Bright, intuitive LED readout is easy to read in any lighting condition — on the job site or in the garage.
• Multiple Voltage Options: Available in 5S (18V/21V) and 10S (36V/42V) configurations — choose the right model for your battery pack.
• Universal Compatibility: Universal design fits a wide range of lithium battery casings for power tools, making installation fast and straightforward.
• Built to Last: Constructed from high-quality, heat-resistant, wear-resistant plastic for extended service life even in demanding environments.
• Flexible Packs: Available individually (1 set) or in value packs (5 sets) to keep your whole tool fleet covered.

Product Specifications

Compatible Models

This indicator module supports both common lithium tool battery configurations:

• 5S Configuration: 18V (nominal) / 21V (fully charged) — ideal for most cordless drills, saws, and impact drivers
• 10S Configuration: 36V (nominal) / 42V (fully charged) — suited for larger power tools and e-bike battery packs

Installation Notes

Please measure your battery casing slot before ordering. Allow for a 2–3% dimensional variance due to manual measurement. Actual product color may vary slightly from images due to monitor display differences.

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For more information on lithium battery safety standards, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.

Frequently Asked Questions

Q: Which battery voltage does the 5S LED battery indicator module support?

A: The 5S model supports 18V (nominal) and 21V (fully charged) lithium battery packs, making it compatible with most standard cordless power tools such as drills, circular saws, and impact drivers.

Q: Is this LED battery capacity indicator compatible with all lithium battery casings?

A: The module features a universal design that fits a wide variety of lithium battery casings used in electric tools. However, we recommend measuring your battery casing slot dimensions before purchase to confirm fit, as minor variances (2–3%) may occur.

Q: What is the difference between the 5S and 10S battery indicator models?

A: The 5S model (Black or Green) is designed for 18V/21V lithium battery packs, while the 10S model (Black) is intended for higher-voltage 36V/42V packs. Choose based on your tool battery's voltage rating.

Q: Can I buy multiple units at once?

A: Yes! This indicator module is available as a single set (1 unit) or a value pack of 5 sets, so you can equip multiple battery packs at once for greater convenience on the job.