Heltec HELTEC4S5S6S5A Capacitor Active Equalizer Balancer Lifepo4 Lithium Lipo/Titanate LTO for Battery Car Audio Group Balancer
The Heltec HELTEC4S5S6S5A is a high-efficiency capacitor-driven active balancer engineered to equalize voltage among 4 to 6 series-connected lithium cells. By dynamically transferring energy from higher-voltage cells to lower-voltage ones, it effectively resolves cell imbalance issues, significantly enhancing both performance and longevity of the battery pack. || Smartly redistributes power between lithium cells with up to 5.5A active balancing current. ||
Heltec HELTEC4S5S6S5A Capacitor-Based Active Equalizer Balancer (4S/5S/6S, 5A) for LiFePO₄, Lipo, and LTO Lithium Batteries – Ideal for Car Audio and Group Battery Packs || Supported Battery Chemistries : NCM, LiFePO₄ (LFP), LTO || Operating Voltage Ranges : NCM/LFP: 3.0V–4.2V | LTO : 1.8V–3.0V || Voltage Balance Accuracy : ±5mV (typical) || Operating Temperature Range : -10°C to 60°C ||
Balancing Mode : All cells engage in simultaneous energy equalization || Balancing Current : 0.08V differential voltage = 1A equalizing current | Increases with greater voltage differences, up to 5.5A max || Quiescent Current : 8mA || Form Factor : 2.72×2.72×0.63 inches || Item Weight : 0.198 lbs || Power Source : Self-powered via internal energy transfer - no external power required || Compatible Cells Include : TBH35AHBATTERY, 34-66160-45 (batteries SOLD SEPARATELY) ||
Here’s what makes it a standout || Wide compatibility : Supports 4S, 5S, and 6S battery configurations with working voltages from 1.8V to 4.5V. || Capacitive energy transfer : Uses capacitors to actively balance cells by transferring charge from higher-voltage cells to lower-voltage ones, ensuring uniform voltage across the pack. || High balancing current : Up to 5.5A of equalizing current, which scales with voltage difference—great for fast, efficient balancing. ||
Smart features : Includes under-voltage sleep protection (below 3.0V), ultra-low standby current (<0.1mA), and a manual sleep switch for energy savings. || Durable build : Features ultra-low resistance MOSFETs and a 2oz copper PCB for better heat dissipation and reliability. || Ideal for large packs : Recommended for battery capacities between 60–300Ah, making it perfect for high-demand systems like car audio or solar storage. ||
