Direct purchase from the factory 
1.You can contact the customer service. for any question regarding the product.
2.Ask the question in English to get answer faster.
3.Keep your question short and to the point.
Questions:0/2000
3pcs DC 14.8V / 16.8V 20A 4S Lithium Battery Protection Board BMS PCM Module For 18650 Lithium LicoO2 / Limn2O4 Short Circuit Protection
98
Shipping to: United States |
Express delivery: 7-12 business days |
Standard delivery: 15-25 business days
Guaranteed Safe Checkout
Free Gift
Shipping Policy
Return PolicyFree Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471Description:
B+ connected battery positive;
B1 the connect point between battery 1 and battery 2;
B2 connect the point between battery2 and battery 3;
B3 Connect the point between battery 3 and battery 4;
B- connect to battery negative end;
P- + connection charge / discharge positive;
P- connection charge / discharge negative;
4S Li-ion18650, LiCoO2, LiMn2O4, Li(NiCoMn)O2 rechargeable batteries;
4S Lipo rechargeable batteries;
High-accuracy voltage detection circuit;
Terminal of the charger using high voltage device;
Built-in three-stage over-current detection circuit (over-current 1, over-current 2, or load short circuit);
MOS transistor can control the battery charge and discharge;
Low standby current consumption.
Parameter:
Over charge voltage: DC 4.25-4.35V ± 0.05V
Over discharge voltage: DC 2.3-3.0V ± 0.05V
Max working current:10A
Max peak current: 20A
Working temperature: -40℃ - +50℃
Storage temperature:-40℃ - +80℃
Small current: 6uA
Life cycle: 50000hours
Resistance: 45mΩ
Short cut protection: protectable ,change for repair
Size: 35*35*3.0mm
Package Included:
3 x 4S lithium battery protection board
Products related to this item
Loading related products...
❮
❯
Videos for similar product
Loading product videos...
❮
❯
Electronics Ranking
Customer Reviews
- All Reviews (15)
- Image ( 2 )
- Video (0)
Sort by:
Reviews only from your country (United States)
|
Show Original
A part of the review has been auto-translated.
-
Geo VIP3GR11/01/2023καλά φαίνονται θα δείξει στην πράξη
Comments (0)Show Original -
-
vneguti VIP1RO05/06/2019
Packaging very good for the value of goods. Reasonable time of arrival.Not yet tested.Nothing to reproach to BangGood
Comments (0)Show Original -
Customer Q&As
Searching for relevant results...
Can't find your answer?
Ask a new questionorCustomer Service
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
showing 1-2 of 2
|
Show Original
A part of the QA has been auto-translated.
-
0A:not suitableAnswered by Scuttle_butt on 11/06/2020Helpful (0)
-
0A:maybe you can use the Order tracking, Or use the “contact us” to contact the banggood customer service team.Answered by Yatobyo on 09/12/2018Helpful (0)
