4S Active Balancer Inductive Board for High Precision Smart Cell Voltage Equalizer LiFePO4 Lithium-ion LTO Battery Packs (1.2A)

Unbalanced cells are silently killing your battery pack — the 4S Active Balancer Board fixes that with intelligent, inductive equalization that works while you charge or discharge.

The 4S Active Balancer Inductive Board (1.2A) is a high-precision cell voltage equalizer designed for 4-cell lithium battery packs including LiFePO4, Lithium-ion, LTO, NMC, LFP, and Ternary Lithium chemistries. Unlike passive balancers that waste excess energy as heat, this inductive (active) design transfers energy from stronger cells to weaker ones — making the entire pack more efficient, cooler, and longer-lasting. It maintains cell voltage differences within just 30mV, a critical threshold for maximising pack lifespan and safety.

The smart balancing logic kicks in automatically when voltage difference exceeds 0.1V and gracefully shuts off below 0.03V, eliminating unnecessary power drain. The adaptive current output of 0.5A–1.2A scales with the degree of imbalance — larger gaps get more current, smaller gaps get less — so equalization is always fast and precise. An auto-dormant mode further reduces heat and idle consumption once the pack is balanced. Operating across a wide 3.0V–4.2V range, this board is equally effective at low charge states and near full capacity.

Whether you're building a solar energy storage system, an EV battery pack, or a custom DIY lithium project, this board is engineered for both hobbyists and professionals who demand reliability. Sold by amiciKart and backed by a 1-year warranty with dedicated support. Ships free across India with same-day dispatch on orders before 2 PM — only a few units left in stock, order now.

• Longer Battery Life, Less Waste – High-precision inductive balancing keeps cell voltage differences within 30mV, reducing stress on individual cells and extending overall pack lifespan
• Faster Equalisation with Adaptive Current – Delivers 0.5A–1.2A balancing current automatically scaled to the degree of imbalance, so heavily unbalanced packs recover quicker
• Works with All Major Lithium Chemistries – Compatible with LiFePO4, Lithium-ion, LTO, NMC, LFP, and Ternary Lithium batteries (3.0V–4.2V operating range), eliminating the need for chemistry-specific modules
• Energy-Efficient Auto-Dormant Mode – Activates only when voltage difference exceeds 0.1V and shuts off below 0.03V, minimising heat generation and standby power draw
• Perfect for DIY Builders & Professionals – Designed for solar storage systems, EV battery packs, and custom lithium projects; compact inductive design fits easily into existing builds
• Buy Risk-Free with Full After-Sales Support – Backed by a 1-year warranty with dedicated support via amiciKart, plus 30-day no-questions-asked returns and COD available across India
• Free Pan-India Shipping & Same-Day Dispatch – Order before 2 PM for same-day dispatch; delivered in 3–5 business days anywhere in India with UPI, Card, Net Banking, EMI & COD accepted