9. IMPORTANT INFORMATION | Polar CS500+ User manual | English
Polar H7 Wearlink battery kit
Superior Battery Kit for all Polar Wearlink Transmitters & H1,H2,H3,H7 models 725882017952 | eBay
PolarGlobal on Twitter: "Today we've launched a new heart rate sensor: Polar H9! - Bluetooth, ANT+ and 5 kHz technologies - Battery life of 400 hours - Compatible with Polar Club Discover
Amazon.com : HQRP Battery (4-Pack) Compatible with Polar RS300X Heart Rate Monitor (2 Batteries Compatible with Training Computer + 2 Batteries Compatible with Transmitter Polar WearLink) : Sports & Outdoors