4S15D Charging - The 4S15D Charging features a high-performance microprocessor and professional charge-management software, delivering fast and accurate charging with per-cell voltage detection for every cell. - Simple one-step operation provides easy charging with high precision (±10 mV) and multiple protection features for user safety and battery health. - Designed for 2-4S batteries, it offers automatic repair of aged batteries and an advanced balancing architecture that balances without discharging. - No external adapter is required to display voltages, making voltage checks convenient in a workshop or at home and helping keep batteries ready for use. - Applications: - Home or workshop charging of 2-4S packs with reliable voltage monitoring. - Remote-model enthusiasts maintaining and reviving older 2-4S batteries with safe balancing. - Routine battery health checks and voltage verification without additional gear.