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Sunforge 20A/15A charge current, 12/24V Lead Acid batteries, Surface or Flush Wall Mounting, Auxiliary Output, IPN Network capability

SKU SB1524iX
Original price $150.00 - Original price $150.00
Original price
$150.00 - $150.00
Current price $150.00

In Stock & Ready to Ship

All orders are shipped within 1-2 business days. Product ETA 7-14 business days.

It seems like you're describing the features and capabilities of the SB1524iX and SB1524iX-Li, which appear to be solar charge controllers designed for specific applications like RVs, marine setups, off-grid electrification, and PV street lighting. Here's a breakdown of the key features you've mentioned:

MPPT Technology: MPPT stands for Maximum Power Point Tracking. This technology allows the charge controller to optimize the power output from the solar panels by adjusting the voltage and current to maximize energy harvesting.

Auxiliary Battery Output: The inclusion of a second auxiliary battery output likely allows the charge controller to manage and charge two separate battery banks independently.

IPN Connector: The IPN connector likely provides a means of connecting additional accessories, such as remote displays or Bluetooth adapters, to monitor and control the charge controller remotely.

RV and Marine Applications: The controller is designed for use in recreational vehicles (RVs) and marine setups, where efficient solar charging is important for off-grid power needs.

DC Load Output: The charge controller can manage a load output for DC-powered devices. In this case, it can handle either a 20A load at 12V or a 15A load at 24V.

Dusk-to-Dawn Load Control: With additional accessories like IPN ProRemote, BT Connect, or UCM, the DC Load Output can be programmed to control connected devices based on the time of day. This feature is particularly useful for applications like street lighting, where lights turn on at dusk and off at dawn.

Battery Compatibility: The SB1524iX version is programmed to work with Lead Acid batteries, while the SB1524iX-Li version is programmed for charging LiFePO4 (Lithium Iron Phosphate) batteries.

Custom Charge Profiles: Both versions of the charge controller can be programmed with various accessories like remote displays, UCM (likely Universal Communication Module), or BT Connect to create custom charge profiles tailored to different battery types.

These features suggest that the SB1524iX and SB1524iX-Li are versatile charge controllers suitable for various applications where solar power and battery management are essential. Their ability to support different battery chemistries and offer remote monitoring and control options makes them suitable for a range of off-grid and remote power setups.


Specification SB1524 @12 SB1524 @24
Maximum PV Power:1 270W with 36-cell PV panel
200W with 60/72-cell panel
400W with 72-cell PV panel
Rated Battery (Output) Current:1 20A with 36-cell PV panel
15A with 60/72-cell PV panel
15A with 72-cell PV panel
Recommended Max Panel Voc at STC: 45.6V (Max Panel Input 57V) 45.6V (Max Panel Input 57V)
Conversion Efficiency: 97% (typical @28V/12A output) 97% (typical @28V/12A output)
Power Consumption: 0.20W (typical standby) 0.20W (typical standby)
              SB1524iX        |        SB1524iX-Li               SB1524iX        |        SB1524iX-Li
Charge Profile:2             Multi Stage       |         Multi Stage             Multi Stage       |         Multi Stage
Battery Type:               Lead Acid        |           LiFePO4               Lead Acid        |           LiFePO4
Absorption Voltage:2                   14.2V           |             14.4V                   28.4V           |             28.8V
Float Voltage:2                   13.2V           |             13.6V                   26.4V           |             27.2V
Equalization Voltage (if enabled):2                   15.2V           |           disabled                   30.4V           |           disabled
Temperature Compensation
(by optional Battery Temp. Sensor):
         -5.00mV/°C/cell   |          disabled          -5.00mV/°C/cell   |          disabled
Auxiliary Output: A) Auxiliary Battery Charge 2A (2nd battery)
B) Load Control w/LVD
C) Dusk-to-Dawn with LVD (by IPN Remote, BT Connect)
A) Auxiliary Battery Charge 2A (2nd battery)
B) Load Control w/LVD
C) Dusk-to-Dawn with LVD (by IPN Remote, BT Connect)
Load (LVD) Disconnect/Reconnect Voltage:2 11.5V / 12.6V (iX)
11.0V / 12.0V (iX-Li)
23.0V / 25.2V (iX)
22.0V / 24.0V (iX-Li)
Maximum Auxiliary Output Current (B or C): 20A 15A
Display: w/ IPN ProRemote, IPN Remote, BT Connect, or ProTouch w/ IPN ProRemote, IPN Remote, BT Connect, or ProTouch
Operating Temperature: -40°C - 50°C -40°C - 50°C
Maximum Full Power Ambient: 50°C 50°C
Environmental Protection: IP20 IP20
Weight: 1.15lb (525g) 1.15lb (525g)
Dimensions: 5.3" x 5.3" x 2.5" (13.5cm x13.5cm x 6.35cm) 5.3" x 5.3" x 2.5" (13.5cm x13.5cm x 6.35cm)
Warranty: 5 years 5 years

Shipping Policy

All in stock orders are processed within 1 to 2 business days (excluding weekends and holidays) after receiving your order confirmation email. Generally, orders placed before 1 PM EST are shipped same or next business day. You will receive another notification when your order has shipped. 

Preorder items are generally shipped 1-3 days prior to the official release date, to ensure a timely delivery.

Any order containing both pre-order and in-stock items in the same cart will be shipped upon the arrival of the latest release ordered. Please check out pre-order and in-stock items in separate carts, unless you would like them all shipped together. If you need to split your order into 2 shipments, you can contact us at to request a second shipping label. 

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If you need further assistance, please contact our customer service or mail us at - we are more than happy to help!

    Return/ Refund

    We care about your satisfaction!
    If for any reason you are unhappy with your order, we have a 7-day return policy, which means you have 7 days after receiving your item to request a return, as long as in same, unopened, factory sealed condition as received.
    *We can only accept returns for raw cards after making contact and reviewing order*
    To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

    To start a return, you can contact us at sales@buildthepower. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

    You can always contact us for any return question at sales@buildthepower
    Build The Power reserves the right to cancel orders due to high fraud risk, Invalid address with no response, inventory issues, or any other reason deemed necessary.
    ** As of March 1, 2020, all cancelled or returned items may incur a restocking or cancellation fee of between 3%-20%. This is due to policy updates from both PayPal, and Shopify (our payment processors)
    We will avoid or minimize this fee as much as possible.**


    Preorders are items that are not currently in stock. They are ordered and reserved through the manufacturer for you on our behalf. Therefore, payment will be taken in advance.

    After your pre-order is confirmed, your order is prepared for shipment immediately upon arrival of the items to our shipping facility.

    Please understand that hot products are subject to allocation by manufacturers, and availability is not fully guaranteed. We only offer a small percentage of our inventory for pre-sale. Therefore, it is highly unlikely factors out of our control will affect pre-orders. However, in this highly unlikely scenario, you will be refunded in full.

    We reserve the right to adjust product prices at any time. However, once your order is placed, it will not be affected by any price adjustments.

    As of 8/25/22, pre-orders are cancelable/refundable, however all cancelled or refunded preorders will be subject to our restocking fee. 

    By placing a pre-order, you are agreeing to these Pre-order Terms and Conditions.

    Our usual terms and conditions apply.

    Our shipping policies apply.


    Damages and issues
    Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. *We sell factory sealed products, which may have factory inconsistencies in quality control, we are not responsible for factory issues with quality control, including torn outer wrappers, minor dents, dings, etc. We always do our best to ensure you receive the highest quality items every time.

    Exceptions / non-returnable items
    Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). Please get in touch if you have questions or concerns about your specific item.

    Unfortunately, we cannot accept returns on sale items or gift cards.

    The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

    We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

    Warranty Policy

    The limited warranty period commences on the date the product is sold to the original consumer purchaser. A copy of the original purchase receipt identifying purchaser and date of purchase, must accompany the product to obtain warranty repairs.

    This limited warranty does not apply to, and future warranty shall become void, for any product or part thereof damaged by: a) alteration, disassembly or application of a foreign substance, b) repair or service not rendered by a Build The Power authorized repair facility, c) accident or abuse, d) corrosion, e) lightning or other act of God, f) operation or
    installation contrary to instructions pertaining to the product, or g) cosmetic aging.

    If Build The Power's examination of the product determines that the product is not defective the consumer shall be charged a test and evaluation fee and be responsible for all transportation costs and insurance related to returning the product to the consumer. The consumer is ultimately responsible for proper installation and operation of the product and Build The Power's prior troubleshooting assistance shall not serve as a waiver of the test and evaluation fee.

    The test and evaluation fee is subject to change without prior notice If within the coverage of this limited warranty, Build The Power shall repair or replace the product at Build The Power's sole discretion and return the product via standard ground transportation of Build The Power's choosing within the continental US. The consumer shall be responsible for all transportation costs and insurance to return the product outside the continental US, and for all transportation costs and insurance related to expedited return of the product. Build The Power's liability for any defective product or any part thereof shall be limited to the repair or replacement of the product. Build The Power shall not be liable for any loss or damage to person or property, or any other damages, whether incidental, consequential or otherwise, caused by any defect in the product or any part thereof.

    Any implied warranty for merchantability or fitness for a particular purpose is limited in duration to the length of this warranty.

    To obtain warranty repairs, contact Build The Power at to obtain a Returned Goods Authorization (RGA) number. Mark the outside of the package with the RGA number and return the product, postage prepaid and insured to the address below. The consumer is responsible for all transportation costs and insurance related to returning the product to Build The Power, and for any shipping damage which may void the warranty or increase the cost of repairs.

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