Polar H6 heart rate monitor battery: CR2025
The Polar H6 heart rate monitor takes one CR2025 3V lithium coin cell.
CR20253V
CR2025× 13V lithium coin cell
Also sold as DL2025, ECR2025, KECR2025 · CR2025 details
Source: Polar H6 manual
Before you swap it
- CR2016 and CR2032 are the same 20 mm width as a CR2025 but a different thickness, so read the code on the old cell before you order, because a cell that's too thin can lose contact every time it gets knocked.
Quick answers
What battery does the Polar H6 take?
One CR2025 3V lithium coin cell.
Is DL2025 the same as CR2025?
Yes. DL2025, ECR2025 and KECR2025 are all the same cell as CR2025, sold under another name.
Will a CR2032 fit instead of a CR2025?
No. It's the same 20 mm width but 3.2 mm thick, against 2.5 mm for a CR2025. Use a CR2025.