4S 2A Active Energy Balancer Board – Inductive Voltage Energy Equalization for LiFePO4 / Li-ion / Lipo / LTO Battery Packs (2.8V–4.2V)

Description:
4S 2A Active Balancer Board is engineered for precision energy equalization in battery packs using LiFePO4, Lithium-ion, Lipo, or LTO cells. Using inductive active balancing, it moves extra energy from higher-voltage cells to lower-voltage ones, keeping all cells equal and extending battery life.

Unlike passive balancing boards that waste energy through resistive discharge, this board provides real-time, efficient balancing with ultra-low power use during operation. It automatically activates when cell differences exceed 45mV, balancing with up to 2A current- keeping your system a safer, more stable, and longer-lasting battery pack.

Key Features:

• Advanced Active Balancing Technology – Uses high-efficiency inductive energy transfer to redistribute charge from higher-voltage cells to lower ones, enhancing pack performance and lifespan.
•  High-Precision Voltage Equalization – Automatically balances cells with a voltage difference 45mV (±15mV), maintaining uniform voltage across all series of cells. 
• Smart, Energy-Efficient Operation – Consumes only 5uA during balancing; minimizes energy loss compared to traditional passive balancers, preserving battery capacity. 
• Wide Compatibility & Safety – Works with LiFePO4, LFP, LTO, and Li-ion chemistries (2.8V–4.2V per cell); includes safe operation across -15°C to 65°C and 10%–70% RH.
• Improved Battery Pack Stability – Ensures each cell operates within optimal voltage, preventing premature wear or overcharging- ideal for Cordless Tools, solar systems, and DIY power setups. 
•  Warranty – The products come with 1 year warranty (To claim warranty feel free to contact amiciKart).

Technical Specification:
Single battery voltage:- 2.8V-4.20V
4 series total voltage:- 11.2V－16.8V
Voltage difference between batteries:- Voltage difference ≧45mV±15mV
The average battery voltage is less than:- 11.2V±15mV
The voltage of a single battery is less than:- 2.8V±15mV
Single node current (The balance current is proportional to the voltage difference between cells) :- 2A(MAX)
Voltage difference between batteries:- 50mV
Power consumption during balanced startup:- 5uA
Operating/storage temperature:- -15℃-65℃
Operating/storage humidity:- 10%RH－70%RH