This information pertains to the original LabQuest.
If you have LabQuest 2, see this article.
If you have LabQuest 3, see this article.
1. Disconnect the unit from AC power.
2. On the back of the unit you will find the battery cover, which i...
The long-term life of the battery will vary, but you can expect 400 to 500 full charge/discharge cycles for our LabQuest batteries before the battery will need to be replaced. A charge from halfway to full would count as half of a charge cycle. It is...
If the LabQuest battery has been used heavily or subjected to very high or low temperatures (such as being left in a hot or cold automobile), it may discharge quickly, even after being fully charged. It is possible for this use to permanently diminis...