Remove the battery from the laptop and identify which sort it's. It will be printed on the case somewhere, and you will be either a Nickel Cadmium (NiCd,) Nickel Metal Hydride (NiMH,) or Lithium Ion (LiON.). If it is among the first two sorts this strategy is the main one to work with. If however it's a Lithium Ion type then don't use the following technique, as it may have at best no effect, or at worst damages your battery.
Stainless steel brush filter type: fully automatic stainless steel brush filter, hand-shaking stainless steel brush filter. Its main function is to remove the suspended material in the water, reduce the concentration of suspended material in the water, the particulate matter, reduce turbidity, purify water quality, reduce system dirt, algae, rust, purify water quality, etc.
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