How many gallons does it filter? And how long is the life of this water filter?

It can continuously filter about 265 gallons water. The main water filter device lifespan is 30,000L, and filter element lifespan is 1000L, so it means you need to change the filter element to keep the main water filter device to work until 30,000L.

How often does the filter element have to be replaced？

1. After purifying 1000 liters of water; 2. More than 6 months; 3.Also, the water used outside is dirty. It is recommended to rinse the filter element after each use to increase the life of the filter element.

Can I use this electric water filter when receiving a “boil-water” order? How long does it take to filter 1L of water？

Of course you can, with this electric water filter, you can get the enough clean water for your family or neighbors. And the max flow rate is 700ml (23 oz) per minute, so it can filter 1L of water in about 2 minutes.

How long will it take to fully charge and how long it will last？

Fully charge about 4-5 hours, can continuous use about 180 minutes.

How can I judge whether water can drink? How much is the value of TDS?

According to the EPA secondary drinking water regulations and WHO standard, the TDS level between 01-500ppm max is considered as the most suitable and acceptable. And TDS of 150-300 ppm was reported to still contain several healthy mineral ions.