![Battery compartment extension - compatible with Blue Connect pool tester (inexpensive battery change possible with standard batteries) - Poolthermometer Shop - Smarte Pooltechnik Battery compartment extension - compatible with Blue Connect pool tester (inexpensive battery change possible with standard batteries) - Poolthermometer Shop - Smarte Pooltechnik](https://pool-thermometer.eu/wp-content/uploads/2021/03/ersatzbatterie-halter-passend-fuer-blue-connect-einsetzen-300x300.jpg)
Battery compartment extension - compatible with Blue Connect pool tester (inexpensive battery change possible with standard batteries) - Poolthermometer Shop - Smarte Pooltechnik
![Gre 7015C001 - Batteria del Analizzatore intelligente dell'acqua "Blue Connect" per piscina : Amazon.it: Giardino e giardinaggio Gre 7015C001 - Batteria del Analizzatore intelligente dell'acqua "Blue Connect" per piscina : Amazon.it: Giardino e giardinaggio](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51lKfgp1-mL._AC_SL1001_.jpg)
Gre 7015C001 - Batteria del Analizzatore intelligente dell'acqua "Blue Connect" per piscina : Amazon.it: Giardino e giardinaggio
![Battery compartment extension - compatible with Blue Connect pool tester (inexpensive battery change possible with standard batteries) - Poolthermometer Shop - Smarte Pooltechnik Battery compartment extension - compatible with Blue Connect pool tester (inexpensive battery change possible with standard batteries) - Poolthermometer Shop - Smarte Pooltechnik](https://pool-thermometer.eu/wp-content/uploads/2021/03/ersatzbatterie-batteriefach-erweiterung-passend-blue-connect-400x400.jpg)
Battery compartment extension - compatible with Blue Connect pool tester (inexpensive battery change possible with standard batteries) - Poolthermometer Shop - Smarte Pooltechnik
![Gre 7015C001 - Batteria del Analizzatore intelligente dell'acqua "Blue Connect" per piscina : Amazon.it: Giardino e giardinaggio Gre 7015C001 - Batteria del Analizzatore intelligente dell'acqua "Blue Connect" per piscina : Amazon.it: Giardino e giardinaggio](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51c6xBRdPJL._AC_SY679_.jpg)