300W Expansion battery

1. CE certificated, TUV approval laboratory

2. Compact size design, 300Wh capacity battery

3. Battery 0% to 100% only need 3.5h charging

4. Integrated handle design, comfortable and easy to carry

5. Comply to LVD:EN62368, EMC:EN55032/EN55035 standard

6. Inner battery comply to EN62133 Standard

7. Various colors are available

8. Competitive price

A portable power station extension battery is an additional battery pack that can be coupled with a portable power station to significantly increase its energy storage capacity, allowing for longer usage times and the ability to power more devices during outdoor activities or emergencies.

YTEN is a direct manufacturer specializing in the production of portable power stations, solar home power kits, solar energy storage systems, and EV charging stations. Not only offer a comprehensive range of products but also provide professional OEM services that cover everything from conceptual design to product manufacturing. This allows us to offer clients a convenient one-stop service solution.

Q: Are you a direct manufacturer or a trading company?

A: We are direct factory, welcome to visit us.

Q: What is the warranty policy of mobile power supply backup battery?

A: For portable power stations, we provide 2 years guarantee.

Q: Do you have MOQ for first order or trial order?

A: No, we support new customers without any MOQ.

Q: Can you produce or customize products based on our design?

A: Yes, we can develop and produce according to your sample, drawing or idea.

Q: How to place an order?

A: 1) Negotiation, PI confirm

2) Sample approval

3) Client pays 30% deposit (or open LC)

4) Supplier production

5) Finish the production and inform client

6) Client approves finished cargo

7) Client pays the balance

8) Supplier arrange shipment and make necessary documents

For more information for this expansion battery 300W, please just contact us.