This is a user replaceable battery pack for the EasySense V-Log, V-Hub, Vu and Vu+ Data Loggers. This pack contains a single Lithium-ion battery pack, a double sided adhesive pad, and 4 replacement feet. You will need to use a small cross-headed screwdriver.

Please also note that this battery is also compatible with the following legacy products: Q3, Q3+, Q5, Q5+, Qt Timer and Q Advanced.