Heltec 12V Lead Acid Battery Equalizer 10A Active Balancer for Li-ion, LiFePO4, and More – LCD Meter for 24V, 36V, 48V, 96V Batteries
The Heltec 12V Battery Equalizer helps optimize performance and extend the life of your batteries. It supports a range of battery types, including Lead-Acid, Li-ion, LiFePO4 (Lithium Iron Phosphate), and Nickel-Cadmium (Ni-Cd) or Nickel-Hydrogen (Ni-MH). Whether you use a single battery or multiple batteries in parallel or series, this equalizer balances the voltage to ensure safe and efficient operation.
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Key Features of the Heltec Battery Equalizer
- Wide Compatibility
The Heltec Battery Equalizer works with batteries ranging from 7V to 18V. It supports 24V, 36V, 48V, 96V, and even higher-voltage configurations (up to 240V). - Efficient Voltage Balancing
The active balancer ensures that your batteries charge and discharge evenly. This reduces the risk of overcharging and improves battery life. - Easy Installation
You can quickly install the equalizer using its rail-type buckle design. It’s ideal for both DIY and professional installations in distribution boxes. - Real-Time Monitoring with LCD Display
The built-in LCD meter displays real-time battery status. This feature allows you to monitor the voltage levels and maintain optimal performance. - Versatile for Multiple Batteries
The equalizer can handle multiple batteries connected in parallel or series. For larger systems, you can connect multiple equalizers to balance more batteries at once. - Perfect for Various Applications
It’s perfect for solar systems, electric vehicles, and energy storage solutions. It prevents battery imbalance and helps you maximize battery performance.



Installation Instructions:
- Battery Connection: Ensure the batteries are within the normal operating voltage range (7V-18V). Connect the B1+ and B1- terminals of the equalizer to Bat-1.
- Select Battery Type: Long-press the SET button for 5 seconds to activate the battery type selection. Once the display flashes, use the Set or Down button to choose the correct battery model (default mode is B03).
- Connect Battery Terminals: After the correct setting is saved, connect the B2+ and B2- terminals of the equalizer to Bat-2.
- Expand with Multiple Equalizers: To balance more batteries, connect additional equalizers in parallel via the P1 and P2 terminals. Each equalizer handles two batteries, and multiple equalizers can be used in larger battery banks.

Balance Over Time: After installation, allow several hours for the system to balance the voltages between the connected batteries.

Important Notes:
- Batteries should be of the same type and preferably have similar capacities and ages. Significant variations can affect the equalizer’s performance.
- Each equalizer supports the connection of two batteries.
- The equalizer can be used in parallel to balance voltages across multiple batteries in a large battery pack. Theoretically, you can connect countless batteries in parallel for large-scale systems.
Battery Type Table

*Default mode B03
Installation Wiring Diagram
HT-10C/HT-10E


HT-10N


Future







Did not tested yet but will come back with a second review after tests.
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I hope it works well and I'll leave you after adding later.
Anonymous –
Yak goods, Vidovidovy sell that shvidka delivery!
I recommend it before Spivratsi!!!
Anonymous –
From the photos and the second day they are working, but it works. To carry the same voltage on all four 12v 220A free acid batteries it took 3 days for a perfect balance.
I 'd say perfect, they work great.
I fully recommend the purchase.
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