How many measurements can I make with a fully charged battery? You can take up to 200 measurements with a fully charged battery. *credit to Sylvain of iHealth Labs EU https://helpcenter.ihealthlabs.eu/hc/en-gb/articles/115002656389-iHealth-Gluco-BG5-How-many-measurements-can-I-make-with-a-fully-charged-battery-