Lumenier ParaGuard XT30 Plug 4 Port Safe Parallel Charging Board for 1-4S Lipo Battery

  Availability: In Stock
  Shipping: Free Airmail 
  Ship From: China Warehouse
  Estimated Delivery: 
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  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022


    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.


    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.


    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.


    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888


The Lumenier ParaGuard Parallel Charging Board is the safest way to parallel charge your batteries. With the multitude of safeguards in place on each ParaGuard, it takes the worry out of charging your batteries and gives you peace of mind knowing you have that extra layer of protection.

The ParaGuard comes in multiple versions to best fit your needs and budget. It is available in 6 port, and 4 port versions with XT60 or XT30 connectors. The XT60 version is 1-6s compatible, while the XT30 version is 1-4s compatible.

What does the Lumenier ParaGuard protect you from?
The ParaGuard has multiple layers of built-in protection to prevent a mistake or simple failure from causing unneeded damage to your board, batteries, or even home property.

Protects against plugging in different cell counts at the same time
If you plug in a 3 cell and a 4 cell battery at the same time by accident the main fuse bus will blow from the high surge generated during plugin. The buzzer will alarm notifying you of the issue audibly, while the LED will also light up visually alerting you. This will protect your battery and board, and you can simply replace the fuse with a new one.
Protects against incorrect plugin order of the balance cable
Sometimes if you’re not paying attention you can plug in one of your balance cables in the wrong position causing a short. No worries with the ParaGuard! It will automatically trip a self-resetting fuse and visually light up an LED alerting you to the issue. Simply unplug and re-plug the cable in the correct position and you’re good to go.
Protects against power surges.
The automotive replaceable fuses protect against high current surges. This will protect your board and batteries in events where there is a high current short during a battery failure. Also it will protect if you plug a 2s and a 3s battery into the board at the same time by accident. (Do not attempt this on purpose please!) If these fuses fail, you can simply replace it with a new one.

With parallel charging safety is always a major concern, and you should always take it seriously and never leave a charging battery unattended. Checking individual cells of every single battery before connecting them together on the parallel board is extremely important! If you see a cell’s voltage that is not like the rest, do not charge it with the others in parallel (We suggest a difference within 0.1V range to charge together). We have also provided replaceable fuses between the main power leads to aid in preventing surges from one pack to another. If a fuse is blown the onboard buzzer will audibly alarm alerting you that there is an issue.

Learn how to safely parallel charge your batteries from Oscar Liang here.
Learn DIY Parallel Charger and Balance Board here

Max Input Current: 40A
Max Output Current: 20A / Battery
Max Balance Current: 2A
Cell Count Support: 1-4s
Charge Connector Protection: Each XT60 port has its own 10A Automotive fuse with LED short indicator
Buzzer Alarm: 80dB or higher audible buzzer alarm that will trigger when one or more main connectors is shorted/break
Battery Balancing Connector Protection: Self-resetting thermal fuses between every balancing pin with LED short indication. (24 self-resetting fuses)
Led Indicators: 60 total LED indicators on the board

Packaging included:
1 x Lumenier ParaGuard – Safe Parallel Charging Board (XT-30 – 4 Port)
1 x Balance cable (200mm)
1 x XT-60 female to female cable (200mm)
1 x XT-60 Male to Banana cable (150mm)


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