Our services

Extra quality, proven compatibility and on-time delivery.

Extended Warranty

Need confidence in quality?

We are direct distributor of the manufacturers, and are able to provide a longer warranty period by extra quality control processes.

One Stop Solution

Feeling a headache for components compatibility? Our all-in-one battery kit saves your time!

Plus, we offer DDP shipping terms, you don't need to worry about import tax!

Too much time waiting for your battery kit to arrive? Our battery kits might be in stock next street!

Address: Julianowska 37-D2, 05-500 Piaseczno Poland

On-time Fulfillment

Here's what our customers say

”I learned from you. It was a different type of business than I am technically qualified to discuss. But with your help, we were able to make a good product. I took big risks in buying such expensive product from a company I didn't know or have any references for. I had to convince my Boss that it was the right company and the right product. Maybe the people at your company have no idea what it took for me to be convinced (you were responsible for the quality of the service) to give the OK for the purchase.”

- R. Mendes

”I've always said it was a smart decision to work with you! I only wish we had done it much sooner!”

- R. Kerback

Frequently asked questions

What is BatteryKitStore.com?

BatteryKitStore.com is a market place for battery DIY lovers to shop for the battery kits they need. We are passionate about new energy solutions.

How does your product/service work?

We offer battery kits products that helps DIY lovers to get their work done, including the materials such as BMS, battery cells, housing structures, fixtures, etc., and we also offer the tools they need such as the testing equipment or the measurement tools. We try to keep our process as neat as possible for you.

How much does it cost?

Our pricing varies depending on the quantity you buy, the inventory location and the upper stream price fluctuation. We offer a variety of options to fit your needs and budget. Please contact us for more information.

Do you offer cash on delivery?

Unfortunately, we don't currently offer cash on delivery. However, we do offer paypal which might be helpful.

How can I contact you?

You can reach us by Email: support@batterykitstore.com. We are always happy to answer your questions.

Where can I learn more about you?

You can explore other sections of this website, such as the "About Us" page or our blog, to learn more about our company, mission, and team.

What does your extended warranty cover?

Extended warranty starts from the date of successful delivery. It covers manufacturing defects in new battery cells only.

How do you assure the quality?

Before shipping, we thoroughly test each cell for voltage, resistance, and appearance to ensure proper function.

How to inspect the battery kits after delivery?

Test your cells within 7 days of arrival. If any issues are found, contact us immediately for a refund or replacement.

Who should buy these battery kits?

These battery kits are for experienced DIY users only. If you’re not familiar with lithium battery safety, we recommend purchasing a pre-assembled battery pack instead.

Is voltage balancing required before assembly?

Yes, battery cells must be balanced (same voltage) before assembly. Do NOT Mix Cells!

o Use same brand & capacity cells in your battery pack.

o Mixing different brands/capacities/voltage voids warranty.

What should I be aware of when using the BMS?

Use the Correct BMS (Battery Management System) and assemble it correctly according to the instructions.

Incorrect BMS wiring, Missing BMS, Charger failures due to assembly errors voids warranty.

About us

Battery Kit Store, hatched from the high technology and strict quality control management from Topband Battery and the market sense of EcoFlow, is dedicated to providing high-end user friendly energy solutions. Our management team, composed of experts in quality control for batteries, power systems, and battery management systems (BMS), is committed to delivering top-notch products.

We share a unified vision of promoting a cleaner and more sustainable planet for future generations. By focusing on advanced technology and quality, we aim to set new standards in the energy market, ensuring that our customers benefit from reliable and efficient energy solutions. At Battery Kit Store, we believe that innovation and responsibility go hand in hand, paving the way for a greener tomorrow.

85+

11

Years of experience

Verified products

Explore our products

Cylindrical Battery Kits

Compact, rechargeable power solutions for various electronic devices.

NEW COLLECTION

LTO Battery Kits

Fast-charging, durable, and safe lithium-titanate energy storage solutions.

Prismatic Battery Kits

Slim, high-capacity energy storage for compact, space-efficient applications.