1S 3.7V Li-ion Battery Capacity Indicator - 4.2V Blue Display Power Tester
1S 3.7V Li-ion Battery Capacity Indicator - 4.2V Blue Display Power Tester
Hero image 0 of 1S 3.7V Li-ion Battery Capacity Indicator - 4.2V Blue Display Power Tester
Popular pick

1S 3.7V Li-ion Battery Capacity Indicator - 4.2V Blue Display Power Tester

4 stars out of 8 reviews
(4)|
32 ratings

About this item

Never guess if your lithium battery is charged again!

1~7S Lithium Battery Capacity Indicator Red Blue Power Charge Level

🔋✨ This little blue display capacity indicator is designed for single-cell (1S) 3.7V Li-ion batteries, showing you the remaining charge at a glance.

5pcs Blue LM3914 Battery Capacity Indicator Module LED Power Level Tester Display Board

When fully charged (4.2V), it'll show you the love - when it's running low, you'll know it's time to recharge.

Super compact and easy to connect to your battery projects - perfect for DIY power banks, flashlights, RC vehicles, or any 1S lithium setup.

KENID 1S 2S 3S 4S Single 3.7V Lithium Battery Capacity Indicator Module 4.2V Blue Display Electric Vehicle Battery Power Tester Li-ion 1Pcs (Color : 2S 8.4V Blue

Simple, effective, and that bright blue display is easy to read even in daylight.

1-8S 1S/2S/3S/4S Single 3.7V Lithium Battery Capacity Indicator Module 4.2V Display Electric Vehicle Li-ion Tester ICs Product

Know your power!

1S-8S 1S/2S/3S/4S/6S Single 3.7V Lithium Battery Capacity Indicator Module 4.2V Electric Vehicle Battery Power Tester Li-ion – buy the best products in the online store

⚡
$ 2.12
Price when purchased online
  • Free shipping
  • Free 30-day returns

How do you want your item?

You get 30 days free! Choose a plan at checkout.
How do you want your item?
Sold and shipped by 88doorsmanagement.com
Free 30-day returns

Customer ratings & reviews

4 out of 5 stars
stars32 ratings8 reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.