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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Description:
1. Brand New & High Quality.
2. Use for 1-8s Lipl/Li-ion/LiMn/Li-Fe.
Voltage detection pricision: 0.01V.
Unit voltage display range: 0.5V-4.5V.
Total voltage display range: 0.5V-36V.
1S test mode voltage range: 3.7v-30v.
Low voltage alarm mode for 2-8S.
Alarm set value range: OFF-2.7V-3.7V.
3. When the voltage is below the set value,it will buzzer with red LED light,pre-set value 3.3V.
4. Push key which can change the voltage settings and save.
5. Size: 3.9cm x 2.4cm x 0.9cm.
Appliable for: RC Quadcopter, helicopter, multicopter,car,boat and airplane,1S-8S / Lipo / Li-ion / Li Mn / Li-Fe battery.
Features: -This product is using for detecting 1S-8S lithium battery
-Detect the voltage of each battery core automatically, support reverse connection protection.-To know the working state of your battery anytime, protect the battery from overcharge and over discharge.-The red LED will flash,the buzzer will beeping when the voltage is below the set point.-The factory default setting is 3.3V, press the button to change the voltage setting, and it will save your current setting automatically.
Well designed. The alarm is quite loud. It beeps twice when you plug in your battery. I hold my meaty finger over the buzzer to muffle it so I don't startle everybody around me. You can adjust the voltage at which the alarm goes off, which is just fantastic. Instructions for making the adjustment are printed in tiny tiny lettering on the back. The display is very bright, easily visible from short distance depending on your eye sight. The display cycles between showing the total voltage of your battery pack, then each individual cell. The display changes too quickly for my liking. It measures 39 x 25 x 11 mm, and weights 9.6, lets say 10 grams, which should be no problem for an under-powered 4-channel 400 size helicopter and probably still manageable for a 200. If they used smaller 7-segment LEDs, a single buzzer, and it only had the ability to read 1S to 4S packs, it could be a third of the weight. There is very little to complain about.I bought 3 of them - should have bought 12!
Save the LiPo battery with cut-off manually, when this device alarm. You can set the switching level for arming from 2.7V to 3.8V step 0.1V... Display voltage of any cell, and the total voltage of battery. The buzzer is loud, you can hear good from 100-200m on electric planes, and you can hear the overdischarged receiver battery alarm on gas/glow plane.
Roymall C.o.
Free Gift
Shipping Policy
Return Policy
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Coupon Code
Direct purchase from the factory 
Battery & Charger
RC Parts
