The product is finely crafted, durable, compact and light.
The product has built-in over-discharge protection, over-current protection, over-charge protection, and short-circuit protection functions. It is suitable for 3.7V lithium batteries of various capacities and shapes.
The product has a built-in three-level over-current detection circuit (over-current 1, over-current 2 or load short circuit), which is safe and practical.
The product is suitable for: LED light backup power supply, 12V electronic products, vacuum cleaners, massager battery packs, monitoring backup power supply, etc.