140W Bidirectional Fast Charger Lithium Battery Li-ion Charging Discharging Features: Bidirectional 140W Power: Charging & discharging up to 28V/5A (Max 140W) 6S: 140W | 4S: 100W (20V/5A) Wide Compatibility: Supports 2-6S Li-ion (3.6V-4.4V) & LiFePO4 (3.2V-3.65V) batteries Battery Voltage Range: 7.3V-26.4V Active Cooling: Integrated high-efficiency fan ensures ≤50°C operation at 140W (30°C ambient) Industrial Interfaces: XT30 (Input/Output) + XT60 (Output) + DC5525 (Barrel Jack) Advanced Protection: TVS surge protection on all ports | Over-temperature cutoff | Short-circuit protection Smart Configuration: DIP Switch Control: Set battery series count (2S 3S 4S 5S 6S) & cell chemistry voltage: 4.4V/4.35V/4.2V (Li-ion) | 3.65V/3.6V (LiFePO4) Ultra-Low Ripple: ≤100mVpp at full load (140W) Fast Charging Protocols Input/Output Supported Protocols Type-C Port PD3.1 (28V) / PPS (3-21V/3A) / QC4.0+/QC3.0/QC2.0 All Ports FCP / AFC / SCP / DRP Try.SRC Performance Specs Parameter Specification: Input Voltage (Type-C) 5-28V DC Output Power 140W Max (28V/5A) Efficiency >93% (Buck-Boost) Ripple Noise ≤100mVpp (140W) Thermal Performance 50°C @140W (30°C ambient) Acoustic Noise <35dBA (Fan at 140W) Car Application 12V Input → 100W Output