HA01 24V Battery Equalizer | 2x 12V Series Balancer for Solar & RV
HA01 24V Battery Equalizer | 2x 12V Series Balancer for Solar & RV
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Short Product Description
Short Product Description
Stop replacing your expensive batteries prematurely! The HA01 24V Battery Equalizer is designed to actively balance the voltage of two 12V batteries connected in series. By preventing one battery from overcharging (gassing) and the other from undercharging (sulfation), this smart module drastically extends your battery bank's lifespan. Compatible with both Lead-Acid and Lithium batteries, it is a must-have for off-grid solar setups, RVs, and golf carts. Need wiring advice? Sun Cheong Computer Co. Ltd.offers over 20 years of technical expertise and instant pickup at our Sham Shui Po physical store.
Key Features
Key Features
- Active Voltage Balancing: Automatically transfers up to 5A of current between batteries to maintain perfect voltage equilibrium.
- Prevents Battery Failure: Eliminates chronic undercharging (sulfation) and overcharging (gassing), doubling the lifespan of your battery bank.
- Universal Compatibility: Works seamlessly with both traditional Lead-Acid (AGM, Gel, Flooded) and modern Lithium battery chemistries.
- Highly Scalable Design: Use 1 unit for 24V, 2 units for 36V, or 3 units for 48V battery systems.
- Ultra-Low Power Consumption: Draws less than 3mA of quiescent current, ensuring it won't drain your batteries during storage.
- Smart LED Indicators: Built-in LEDs clearly indicate when balancing is active and which battery is receiving compensation.
Full Product Description
Full Product Description
Maximize the Lifespan of Your Battery Bank
When two 12V batteries are connected in series to create a 24V (or 48V) system, their internal resistances inevitably differ. Over time, this causes a severe voltage imbalance during charging and discharging. One battery becomes chronically undercharged (leading to fatal sulfation), while the other becomes overcharged (leading to gassing and drying out). The HA01 Battery Equalizer solves this problem permanently by actively transferring current from the higher voltage battery to the lower one, ensuring both remain perfectly balanced.
Active 5A Compensation for Peak Performance
Unlike passive balancers that simply burn off excess energy as heat, the HA01 utilizes an active energy transfer system. It continuously monitors the voltage of both batteries. When it detects a voltage difference, it initiates a compensation current of up to 5A, transferring energy until the voltages are identical. This keeps your battery bank operating at peak efficiency and saves you hundreds of dollars in premature battery replacement costs.
Scalable for 36V and 48V Systems
Building a larger power wall? The HA01 is highly scalable. While one equalizer balances a 24V system (2x 12V batteries), you can easily wire multiple units together for larger banks. Use two equalizers for a 36V system, or three equalizers for a 48V system. It features intuitive LED indicators (LED A and LED B) to show you exactly which battery is currently being compensated.
💡 Pro Tip from Our Technicians
"A common misconception is that connecting an equalizer will instantly balance your batteries. In reality, if you connect a 12V battery and a 10V battery, it may take 3 to 7 days for the HA01 to fully balance them. For the fastest and best results, we highly recommend fully charging both 12V batteries individually before wiring them in series. If you are unsure about how to scale this for a 48V solar setup, drop by our Sham Shui Po store! Our team at Sun Cheong Computer Co. Ltd. has been building custom power solutions for over two decades and can draw out the exact wiring diagram for you."
Technical Specifications
Technical Specifications
| Specification | Details |
|---|---|
| Model | HA01 Battery Equalizer (BE) |
| Nominal Battery Voltage | 2 x 12V |
| Compensation Current | 0 - 5A |
| Quiescent Current | < 3mA |
| Low Voltage Disconnect | 10V (Automatically shuts off to protect batteries) |
| Protection | Reverse Polarity Protection |
| Dimensions | 70 mm x 70 mm x 27 mm |
| Wiring Definition | Red: 24V+ (Battery B Positive) Black: 24V- (Battery A Negative) White: Center of two batteries |
Delivery Options
Delivery Options
- Local delivery within Hong Kong and in-store pickup.
- Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
- Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
- Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
- In-store pickup details (location and time) will be confirmed by email or phone message.
- Delivery times are estimates and may be affected by weather or unforeseen circumstances.
FAQ Section
FAQ Section
- How long does it take for the batteries to fully balance?It depends on the initial voltage gap. If one battery is at 12V and the other is at 10V, it can take anywhere from 3 to 7 days of continuous active balancing to equalize them perfectly. For best results, fully charge both batteries separately before installing the equalizer.
- Can I use this equalizer for a 48V solar battery bank?Yes, absolutely! To balance a 48V system (which consists of four 12V batteries in series), you will simply need to wire three HA01 equalizers together. The included instruction manual provides a clear wiring diagram for 24V, 36V, and 48V setups.
- Does this work with Lithium Iron Phosphate (LiFePO4) batteries?Yes. The HA01 battery equalizer is fully compatible with both traditional Lead-Acid batteries (AGM, Gel, Flooded) and modern Lithium battery packs.
Target Users / Applications
Target Users / Applications
- Off-Grid Solar Owners: Maintaining expensive 24V or 48V battery banks in remote cabins or solar-powered homes.
- RV & Campervan Enthusiasts: Ensuring the "house batteries" in motorhomes charge evenly from the alternator or solar panels.
- Golf Cart & Mobility Scooter Maintenance: Extending the life of series-connected 12V batteries in deep-cycle mobility vehicles.
