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Aihasd 4S 30A High Current Li-ion Lithium Battery 18650 Charger Protection Board 14.4V 14.8V 16.8V Overcharge Over Short Circuit

21 reviews
100% of buyers enjoyed this product! 1165 orders
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4S 30A High Current Li-ion Lithium Battery 18650 Charger Protection Board 14.4V 14.8V 16.8V Overcharge, Over Short Circuit


100% Brand New

Module:4S Li-ion Lithium Battery Protection Board

overcharge detection voltage :4.25±0.025V

overcharge Lift the voltage:4.15±0.05V

over discharge detection voltage :2.50±0.08V

over discharge Lift the voltage:3.00±0.1V

overcurrent current:20-30A

working current:15A(Natural cooling 10.A, add heat sink 15A, the maximum instantaneous current 30A)

Remove protection condition automatic recovery, without activation


Short circuit protection
Overcharge protection
Over-discharge protection
Overcurrent protection
operating temperature:-40-85c

Note:if you need the “connector diagram”,please tell us,we can send it to you.

Package included: 1 x 4S 30A High Current Li-ion Lithium Battery 18650 Charger Protection Board 14.4V 14.8V 16.8V Overcharge, Over Short Circuit Packed Safely in Bubble Bag.


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:
Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of ElectricRCToys (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Real customer reviews

21 reviews
100% of buyers enjoyed this product!
5 stars
4 stars
3 stars
2 stars
1 star
verifed buyer
11 Apr 2018 13:24


verifed buyer
11 Apr 2018 09:08

time not to the first заказываю all is excellent

verifed buyer
8 Apr 2018 07:26

board quality, gently паяно's mean all have not tested work true

verifed buyer
8 Apr 2018 00:02

платку received! shipped quickly! to store thank you! check as дополню tip.

verifed buyer
5 Apr 2018 21:06

the kind of all good not tried in

verifed buyer
23 Mar 2018 10:05

store recommend

verifed buyer
21 Mar 2018 19:08

quality is excellent. when the'll перейдут rechargeable batteries. 40 days delivery.

verifed buyer
20 Mar 2018 12:46

all ok the kind of quality, not tested working, 2 weeks доставкк

verifed buyer
19 Mar 2018 13:51


verifed buyer
18 Mar 2018 23:23

all ok. thank you)

verifed buyer
15 Mar 2018 04:37

доехала fast, review watched it юзать пробовать screwdriver in can'll.

verifed buyer
12 Mar 2018 00:19

made 17 delivery days. appearance claims to no. проверялась have not working.

verifed buyer
9 Mar 2018 22:41

12 days delivery of the. record it! all ok.

verifed buyer
3 Mar 2018 19:19

packed quality board. it is not trackable by moving the russian прибыло message that only the office. only, store that despite выслал request on board has been to a 16,8 v 14,4 v returned and adopted the dispute money but

verifed buyer
2 Mar 2018 06:45

the вшуруповерт, but need more balancers charging

verifed buyer
2 Mar 2018 06:08

Fast delivery. Item as described. Thank you store!

verifed buyer
2 Mar 2018 01:48

very good

verifed buyer
16 Feb 2018 22:31

заказываю 5 times, tried others regretted

verifed buyer
13 Feb 2018 16:17

all working, match the description, recommend to more'll...

verifed buyer
30 Jan 2018 22:18

the parcel arrived region in two weeks тюменскую. i satisfied.

verifed buyer
24 Jan 2018 10:43

Fast shipping, good packing. Not yet tryed.

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