Battery for Polar H10

Written by SuperUser » Updated on: June 27th, 2025

🔋 Best Replacement Battery for Polar H10 in 2025 – Long-lasting & Reliable Picks!

Your **Polar H10 heart rate sensor** is one of the most accurate and reliable fitness tools out there, but even the best devices need fresh power once in a while. If you're wondering what is the **best battery for Polar H10**, this post is your ultimate guide to getting the **right replacement battery** — so your workouts never miss a beat.

Let’s dive in and help you find the **top-rated, long-lasting, and affordable CR2025 batteries** for your Polar H10 in 2025!

🔧 What Battery Does Polar H10 Use?

The **Polar H10** uses a **CR2025 coin cell lithium battery**, which typically lasts **up to 400 hours** depending on usage.

> ⚠️ *Note: Not to be confused with CR2032, which is thicker and won't fit properly.*

So, if your heart rate readings are getting spotty or the Polar Beat app says your battery is low, it’s time for a **quick and easy replacement**.

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🥇 Best Replacement Battery for Polar H10 (Top Picks 2025)

Here are the most **reliable and tested CR2025 batteries** you can buy online, especially from Amazon for faster delivery and great deals:

### 1. **Duracell CR2025 3V Lithium Battery (4-Pack)**

🔗 [**Buy on Amazon →**](https://www.amazon.in/s?k=Duracell+CR2025+Polar+H10&tag=youraffiliateid)

* **Trusted Brand:** Long-lasting performance

* **Battery Life:** Up to 400 hours

* **Best For:** Regular gym-goers and athletes

* **Price:** ₹400 – ₹600

**💡 *Amazon Offer: Get Extra 5% off**

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### 2. **Energizer CR2025 Lithium Battery (5-Pack)**

🔗 [**Shop Energizer CR2025 Now →**](https://www.amazon.in/s?k=Energizer+CR2025+Polar+H10&tag=youraffiliateid)

* **Stable voltage output**

* **Leak-resistant design**

* **Long shelf life (up to 10 years)**

* **Best For:** Runners & cyclists

> ⭐ *Top-rated for smart devices like heart rate sensors.*

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### 3. **AmazonBasics CR2025 Battery (6-Pack)**

🔗 [**Check AmazonBasics Offer →**](https://www.amazon.in/s?k=AmazonBasics+CR2025&tag=youraffiliateid)

* **Budget-friendly**

* **Reliable performance**

* **Made for everyday wearables**

> ✅ *Good value for casual fitness tracking.*

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### 💡 Quick Tip: Always keep a few extras in your gym bag or car. CR2025s are lightweight and easy to store!

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## 💥 Limited-Time Deals on CR2025 Batteries

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## ⭐ Polar H10 Battery Reviews (From Real Users)

### 🔹 **“Duracell lasts forever!”**

> *“I replaced my Polar H10 battery with Duracell CR2025 and didn’t need another for nearly 8 months — used 5 times a week!”*

> — **Ravi K. (Verified Buyer)**

### 🔹 **“Energizer is reliable for gym wear”**

> *“Tried AmazonBasics before but Energizer lasts longer. I use my H10 during HIIT workouts and never lost connection.”*

> — **Samantha G. (Fitness Coach)**

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## 📦 How to Replace Battery in Polar H10 (Step-by-Step)

1. **Remove the strap** from the sensor.

2. **Twist the battery cover counter-clockwise** using a coin.

3. **Replace the CR2025 battery** (positive side facing out).

4. **Reattach the cover**, twist to lock it.

5. Reconnect it to the app to confirm battery status.

> 🎥 *Watch a quick tutorial on YouTube if unsure.*

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## 🔍 FAQs – Battery for Polar H10

### ❓ What is the correct battery for Polar H10?

**Answer:** CR2025 3V lithium coin cell battery (not CR2032).

### ❓ How long does Polar H10 battery last?

**Answer:** Up to **400 hours**, which can last several months based on use.

### ❓ Can I use CR2032 instead of CR2025?

**Answer:** No. CR2032 is thicker and will damage the H10 battery compartment.

### ❓ Where can I buy Polar H10 battery online in India?

**Answer:** Amazon India offers **Duracell, Energizer, and AmazonBasics CR2025** batteries with fast shipping.

👉 [**Buy Now on Amazon →**](https://www.amazon.in/s?k=CR2025+polar+h10&tag=youraffiliateid)

### ❓ How do I know my Polar H10 battery is low?

**Answer:** You’ll see erratic readings or battery warnings in the **Polar Beat app**.

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## 🛒 CTA – Shop the Best Batteries Now

Don’t let a dead battery ruin your workout! Choose a **trusted CR2025 battery** today and keep your Polar H10 running strong.

👉 **[✅ Buy Best Battery for Polar H10 on Amazon Now →](https://www.amazon.in/s?k=CR2025+polar+h10&tag=youraffiliateid)**

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## 🏁 Final Thoughts

Keeping your Polar H10 charged and ready is crucial if you're serious about **tracking heart rate accurately**. Whether you're training for a marathon, cycling long distances, or just hitting the gym regularly, the **right battery can make all the difference**.

Choose from trusted brands like **Duracell, Energizer, or AmazonBasics**, and make sure you're always workout-ready!

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