Common Problem

What are the advantages and disadvantages of lithium iron phosphate (LiFePO4) batteries and ternary lithium batteries?

Ternary lithium is easy to explode and catch fire. Phosphorus with lithium iron is safer and not easy to explode and catch fire. The cycle life of lithium iron phosphate can reach 2000 times, while ternary lithium has only 500 times.

How long can the product be stored?

Half or above of the battery, it can be generally stored for 6-12 months. lt is recommended to charge it every three months.

Can you offer samples for testing?

Sure, samples are available and delivery time usually 3-5 days. Customized order samples which based on our products will take 5-10days. Proofing time of special and complex samples depends on the actual situation.

Can you ODM or OEM?

Yes, OEM/ODM service is offered. We are the leading professional manufacturer for portable power stations and portable energy storage with more than 10 years of experience, with about 400 workers, 9 production line, 30 engineers and 12 QC personnel, with ISO9001, TUV&SGS certificated. Welcome to visit us in Shenzhen China.

What's your sales territory?

We sell all over the world, basically are US/EU/AU/JP versions.

Do you accept purchase orders?

Yes. We will happily accept purchase orders. Purchase orders must be signed, bona fide documents that specify both a shipping and billing address, PO Number, and all relevant costs, including quantity, part numbers, product prices, shipping and handling, and taxes (if applicable). To place an order by purchase order we must receive the purchase order by fax, email. You may email your purchase order to or you may text your purchase demand to whatsapp +86 186 8875 3110.

Can you provide a complete solution to me ?

Yes, sure. IPStank provides charging solutions to fulfill different consumption occasion needs.

How do you ship the goods and how long does it take to arrive?

We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.

What Payment Options Do You Accept For Online Purchases?

We accept PC, Visa, T/T, L/C, D/A, D/P, Western Union, MoneyGram, and PayPal for online purchases. We also accept Money Orders, Cashier's Checks, Corporate Checks, and Personal Checks if you are submitting an order via mail. Personal checks require a 3-5 Business Day hold time for check to clear.

How to proceed an order for your products?

1st, let us know your requirements or application. 2nd, We quote according to your requirements or our suggestions. 3rd, customer confirms the samples and places deposit for formal order. 4th, We arrange the production.

How to deal with the faulty?

Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%. Secondly, during the guarantee period, we will send new product with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.

Do you offer guarantee for the products?

Yes, we offer 3~5 years warranty to our products.

Does IPStank portable power station 600w include a built-in MPPT controller?

All IPStank power stations have a built-in MPPT controller.

What devices can be charged/powered by IPStank Power Station?

IPStank Power Station 600W features 2*110V/600W AC outputs (Pure sine wave), so it can power most devices under 600W.

How long will the power my device?

Working time (estimation) = 595Wh* 0.8 / operating power of your device. (0.8=Conversion Rate). Please note that the actual working time may vary under different situations.

Does IPStank design with a power-saving function?

Yes, For AC output, when the output is less than 3W, it will shut down automatically after 8 hours. For DC output, when the output is less than 50mAh, it will shut down automatically after 4 hours. For USB output, when the output is less than 30mAh, it will shut down automatically after 3 minutes.

Once we use this unit if there is an over-voltage will it show the error what do we do to reset it?

When the output over-voltage the ports, the overload Protection Switch button will automatically pop out. You need to turn off the power switch button, then turn it on again, just do like this is ok.

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    Quick Contact Info


    R & D: Room 1713, Bldg 2, Namtai Inno Park, Tangwei community, Fenghuang street, Guangming district, Shenzhen 518132, GD, P.R. China. Manufacturing base: Bldg A3, Zhengfeng industrial zone, No. 608 of Fengtang avenue, Fuhai street, Bao'an district, Shenzhen, 518103 GD, P.R. China

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