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⚡ Balance Smarter, Last Longer — Power Your Battery’s Full Potential!
The 3S 4S 12V 5A Battery Active Equalizer is a high-precision capacitor energy transfer balancer designed for Li-ion and LiFePO4 batteries. Featuring ultra-low resistance MOSFETs and a thick copper PCB, it delivers up to 5.5A balancing current with 5mV accuracy, ensuring rapid and efficient battery equalization. Its smart under-voltage sleep protection and low quiescent current (<0.1mA standby) maximize battery lifespan and safety. Compatible with 3S and 4S battery packs, it includes a 400mm balance cable, LED status indicator, and optional switch control, making it a reliable, professional-grade solution for maintaining optimal battery performance.




| ASIN | B096NLHXPF |
| Best Sellers Rank | #134,074 in Electronics ( See Top 100 in Electronics ) #550 in Household Battery Chargers |
| Brand | QINIZX |
| Built-In Media | Cable, PCBA |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (104) |
| Input Voltage | 12 Volts |
| Item Dimensions | 6.6 x 4.6 x 1.6 centimeters |
| Item Type Name | Battery Active Balancer |
| Manufacturer | QINIZX |
| Mfr Part Number | JW-CAP-Balancer-4S |
| Model Number | JW-CAP-Balancer-4S |
| Number of Items | 1 |
| Number of Outlets | 1 |
| Number of Packs | 1 |
| Output Voltage | 16.8 Volts |
| Plug Type | Type A |
| Power Source | Battery Powered |
| UPC | 723258876141 |
| Unit Count | 1.0 Count |
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