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To replace the battery of your Sportline Solo 900 Heart Rate Watch,
we recommend that this be done by a watch repair service center.
This will ensure that the water resistance will be retained after battery
replacement.
The Watch uses the standard lithium replacement battery: 2025
NOTE
• Non-rechargeable batteries are not to be recharged
• Rechargeable batteries must be removed before recharging
• Rechargeable batteries only to be recharged under adult
supervision
• Different types of batteries must not be mixed
• New and used batteries not to be mixed
• Exhausted batteries to be removed
• Do not dispose of battery in fire; battery may explode
or leak
• Do not dispose of product in fire; battery may explode
or leak
How the Sportline Solo 900 Heart Rate Watch Works
It is useful to understand the basics of how the watch's
S-Pulse™ sensing technology works – as it will perform differently on
people of different age, skin type, body type,
EKG or electro-cardiogram signal strength, among others.
The S-Pulse™ technology measures the electronic signals that pass
through your body – that result from the beating of your heart. Many
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