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When to replace the quartz watch battery

Tips of quartz watch need to replace the battery.

1. Quartz watches generally have battery life indication.
The three-hands (or with second hand) quartz watch basically has the battery life indication function, when the battery capacity is about to run out and the voltage starts to drop, the second hand will pause for 4 seconds and then jump rapidly for 4 seconds, The watch is paused for 2 seconds and then jumps for 2 seconds.) This function is called EOL (BATTERY END-OF-LIFE INDICATION). This phenomenon must promptly replace the battery, during which the watch can still be working about a week to two weeks. (Two-hands quartz watch does not have this function)

2. Back cover of the stickers indicate the date of the next battery replacement.
When you buy a watch, you should notice the date of the next battery change, as indicated on the sticker on the back cover, but usually the actual battery life will be longer.

3 the situation that watch suddenly appeared slow or stop moving.
When the battery power down, the capacity of the battery when the resistance will increase, the voltage drop, especially when there is a relatively large current output or the outside temperature is relatively low, the watch will stop or suddenly appear slow or Stop moving.