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Overview

Helios Pro 40A MPPT solar charge controller with LCD display, automatic voltage detection, and multi-protection for reliable battery charging in off-grid solar systems.

Helios Pro 40A MPPT Solar Charge Controller 12V/24V/48V Auto Battery Regulator with LCD Display – High Efficiency Off-Grid Solar Power System

Model: BL912-40A
Web Code: 19472799
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Available for deliveryAvailable online only

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Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Upgrade your solar setup with the Helios Pro 40A MPPT Solar Charge Controller, designed to deliver maximum efficiency and stable battery charging for off-grid systems. Using advanced Maximum Power Point Tracking (MPPT) technology, it achieves up to 99% tracking efficiency, ensuring you get the most power from your solar panels.

Key Features:

40A charging current, perfect for small to medium solar systems

Works with 12V, 24V, and 48V battery systems (auto recognition)

High-performance MPPT algorithm for maximum solar power harvest

LCD display for real-time monitoring of voltage, current, and battery status

Full safety protections: overcharge, over-discharge, reverse polarity, short circuit

Applications: Best for home solar systems, RVs, cabins, boats, camping, and backup power setups.

Product Condition
Brand New

Dimension

Width
5 cm
Height
10 cm
Depth
17 cm
Weight
0.33 g

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Sports and recreation products
Return/Exchange Period
30 days
Condition
Opened

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