3.7v Lithium Battery Level Indicator
SKU: PRD525
The 3.7v Lithium Battery Level Indicator is a small circuit board with LED lights that shows how much charge is left in a single-cell lithium battery. It connects directly to the battery terminals. This indicator is commonly used in portable electronics, DIY power banks, and RC toys to prevent unexpected power loss during use.
Customer Reviews
No reviews yet. Be the first to share your experience with this product!