4S-8S Smart BMS, 200A 2A PCB Battery Protection Board with Active Balancer for LiFePO4 Li-ion LTO Battery Pack, Bluetooth APP Control, 200A Continuous Current, Max Current up to 350A (B2A8S20P)
50% OFF
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: +8619359849471200A Smart BMS: The balancing current 2A, The continuous current is 200A, The max current up to 350A, The battery string is 4S-8S, The Balance Way is Active Balance, The battery type is ternary, lithium iron
Smart BMS with Simple Installation: Download "JIKONG" APP in your phone, then we can control our battery anytime after finished set-up in app. Can easily monitor the status of battery, adjust settings and even control charging/discharging
4-8S BMS Offers Multiple Protection: It Provides Overcharge, Overdischarge, Overcurrent, Short circuit and Temperature Protection to make your battery with longer life and advanced performance
Battery Protection Board with Wide Application: The smart BMS is mainly suitable for Li-ion, LiFePO4, and LTO batteries. Assured performance makes BMS better service home energy systems, electric vehicles, power banks and others
What You will Get: One Smart BMS (B2A8S20P),one 70cm Wire,one 50cm Switch Cable,one 40cm NTC and one User Manual.Everything you need was prepared.
