Please enter your email address and we’ll send you a link to reset your password right away.

An email has been sent to the address you provided.
Please make sure to check your Spam folder in case your email service provider redirected it there.
Note: The link will remain active for 24 hours from the moment you receive it.

E-mail

Oops! This email address is incorrect or not registered.

The email or password is incorrect.

E-mail

Password

Forgotten your password?

Tradeinn Retail Services as the data controller will process your data in order to manage registered users on our website and process your order, as well as the sending of advertising related to the products and services. You can access, rectify and delete your data, as well as exercise other rights by consulting the additional and detailed information on data protection in our Privacy Policy.

First Name

Last name

E-mail

Repeat E-mail

Password * Passwords must be at least 6 characters long.

Confirm password

Oops! This email address is already registered.

I have read and accept the conditions contained in the Privacy Policy on processing of my data to manage my order

I want to receive discounts, special deals, and exclusive offers by email.

Create account

Language: English

Select a country

Always the best online price!

Fitness shop

by tradeinn

Shipping to

Product successfully added to your basket

View basket Continue shopping Back to PC configurator

There´s nothing in your basket right now.

Total quantity:

Order subtotal €

Use a photo to find your product

Always the best price online!

Easy 30-day return

Filters

Gender

Bigrock Batteries for fitness electronics

()

A

Bigrock eTap AXS battery

One Size

Find Electronics from Bigrock for fitness

Unleash the full potential of your training with BIGROCK, the brand dedicated to powering your performance from the first minute to the last. At traininn, we understand that in the world of fitness, consistency and reliability are paramount. There is nothing more frustrating than a device dying mid-workout. A blank screen on your GPS watch during a record-breaking run, a lost signal from your heart rate monitor in the middle of a crucial interval, or a powerless cycling computer on a long-distance ride can disrupt your focus and compromise your valuable data. This is where BIGROCK establishes its foundation, ensuring your dedication is never cut short by a loss of power.

While BIGROCK supports your entire fitness journey, our core strength lies in providing the unwavering energy source for your most critical equipment: our high-performance batteries. Specifically engineered for the demanding environment of athletic training, BIGROCK batteries are the silent heroes behind your greatest achievements. Our extensive range of premium batteries ensures your essential gear is always ready for action. Whether you need a long-lasting CR2032 coin cell for your heart rate chest strap, cycling power meter, or cadence sensor, or robust AA and AAA batteries for your digital scales and other home gym equipment, BIGROCK delivers consistent, dependable power you can trust.

Crafted with superior longevity and a stable discharge curve, these batteries are designed to endure, minimizing the need for frequent replacements and allowing you to focus purely on your workout. The advanced, leak-proof construction is a critical feature, safeguarding your valuable and sensitive electronics from corrosion and damage, giving you complete peace of mind. From the freezing temperatures of a winter morning run to the intense heat of a summer cycling epic, BIGROCK batteries provide stable performance across a wide range of conditions, ensuring your devices function flawlessly when you need them most. Power your progress, track every metric with precision, and push your limits without the fear of interruption. BIGROCK is more than just a battery; it´s a commitment to reliability, ensuring that the only thing you need to worry about is beating your personal best. Don´t let a weak power source be the weak link in your training regimen. Equip your fitness trackers, smartwatches, bike computers, and sensors with the dependable energy of BIGROCK. Explore the complete collection at traininn today and build your performance on a foundation of solid, reliable power

Have a question? We’ll help you right away.

Have any questions?

Talk to an expert

+34 663 922 716

Bigrock Batteries for fitness electronics

Bigrock eTap AXS battery

Find Electronics from Bigrock for fitness