Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.
Free 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: +447549870296
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: +447549870296
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Specifications:
Display: Power, Voltage, Close, the key for cycle. Voltage range: 8-70V, products will display based on the voltage value, voltage fluctuations, power meter will be follow as the voltage fluctuation! (Comes with reverse polarity protection, can be guarantee use effectively ) The product is suitable for lead-acid 12V, 24V, 36V, 48V (can be changes via key, specific please see setup instructions as below) The product is suitable for 3.7V lithium series multi-platform, 3 string, 4 string, 5 string, 6 string, 7 string and 8 string 9 string 10 string 11 string 12 string 13 string 14 string 15 string (can be changes via key, detail information please see as below) Cable Length: 30cm
Battery specifications:
P=lead acid, L=lithium battery, F=lithium iron phosphate battery
Single string battery nominal voltage:
Lead acid = 12V, lithium battery = 3.7V, lithium iron phosphate = 3.2V
Setup steps:
Press and hold the setting button to power the battery, enter the setting interface
Short press the setting button to select the battery specification (P=lead acid L=lithium battery F=lithium iron phosphate battery)
Short press the function key to select the number of battery strings (the setting key is increased, the function key is reduced)
Long press the function key to set the S mode, the setting key selects the corresponding mode, and the function key is turned on or off.
After setting it, you can re-power it.
S1: %/V 2 seconds in turn display
S2: 10 second delay off
S3: Turn on the backlight
S4: Turn on LOGO
S5: Battery curve selection
Instructions:
1. Press and hold switch on the product, power on, automatically select the interface ( please follow as the code corresponds blow) 2. Select your battery type after corresponding, for example 3 series lithium battery, you need to enter the selection screen, press the key point to L3 interface, then off, re-energized, choose success, such as the need to set 12V lead-acid batteries, the key point press to P12V interface, power, re-energized, both choose success 3. Instruments can be used if you Select successful . . Meter shows the power interface, tap switch, switch to voltage interface, click the switch, turn off the meter. cycle shown as the code corresponds
Special Function Setting (requires electric iron, you must power off setting, electric iron must be grounded) A point connection, the backlight will be automatically shut down if delay10 seconds , the voltage fluctuation will automatic wake-up exceeds 0.3V / 0.5 seconds. B point connection, lithium choose 3-4.1V curve (lithium professionals)
Roymall C.o.
Free Gift
Shipping Policy
Return Policy
Coupon Code
Direct purchase from the factory 
Electronic Components & Supplies
Module Board
Test & Measuring Module
