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3.7V Hydrometer Lithium Battery
411 2022-08-01

The water light meter uses the simplest way to evenly introduce the nutrients needed by the skin into the mesoderm, so as to achieve the effects of moisturizing, whitening and brightening, reducing wrinkles, and delaying aging. The appearance of this portable water light meter has been loved by many consumers, which directly promoted the rapid growth of water light users, and also increased the popularity of water light products.
This is a water light meter that can be used continuously for more than 2000 rounds without charging. Spinli has a high-capacity and long-lasting battery. After fully charged, it can be used for more than 2000 rounds. It can be used stably even at low temperature.
Hydrometer lithium battery model: XL 3.7V 2500mAh
Water light meter lithium battery single cell model: 18650
Lithium battery IC: Seiko