25.2V 1A Li-ion Charger for 6S 22.2V Battery
Phonix® FX2521000 is a highly compact, infrastructure-grade 25.2V 1A (25.2W) smart charger precision-calibrated for 6S 22.2V Li-ion/Li-Po battery packs. Enclosed in a lightweight 113X45X30mm fully sealed casing, it eliminates conductive dust intrusion while maintaining ≥85.0% energy efficiency under pure natural convection. Featuring a hardware MCU control loop with an active multi-stage charging algorithm, a certified 50,000-hour MTBF, and our 5-year factory warranty, this fanless module delivers silent, zero-maintenance reliability for drones, portable devices, and cordless tool docking stations.
Description
High-Density Line Isolation & LLC Resonant Control Architecture
Delivering a continuous 25.2W precision charging profile into compact 6S battery arrays demands sophisticated thermal and electrical control within space-constrained enclosures. The Phonix® FX2521000 utilizes an optimized LLC resonant conversion matrix to preserve high energy utility parity and minimize transient electromagnetic interference (EMI). Contained within a flame-retardant polymer chassis measuring just 113X45X30 mm and weighing 250g, the module rejects mechanical cooling structures in favor of static natural air convection. Barring open ventilation pathways completely safeguards internal multi-layer PCB traces from airborne metallic soot, processing fibers, and localized moisture tracking bridges that induce component value drift. This fully sealed architecture restricts maximum case temperature rise to under < 40°C during prolonged constant-current bulk charging, shielding internal switching silicon and extending the equipment lifecycle in continuous industrial deployments.
Technical Parameters
| Category | Technical Parameter | Engineering Specification | Remarks / Test Conditions |
|---|---|---|---|
| 1. Input Specs | Rating Input Voltage | 100-240 Vac | 50/60 Hz Universal Utility Grid Compliance |
| Input Voltage Range | 90-264 Vac | Maintains steady output regulation through severe line sags | |
| Rating Input Current | 1.0 A / RMS | @ 100V AC Input, Full Load (Calibrated Input Threshold) | |
| Max Input Power | 31.0 W | Calculated baseline: Pout (25.2W) / Efficiency (85.0% @ Low Line) | |
| 2. Output Specs | No Load Output Voltage | DC 25.2 V | Precision voltage reference; prevents long-term cell overcharge |
| Output Voltage Range | DC 21.20-25.2 V | Dynamic closed-loop saturation curve tracking regulation | |
| Charging Current | 1 A ±10% | Constant Current (CC) fast-charge bulk injection phase | |
| Charging Voltage | DC 25.2 V ±0.2 V | Constant Voltage (CV) saturation tracking curve parameters | |
| Pre-charge Current | 0.1 A ±0.1 A | Automated safe cell reactivation active when pack voltage ≤ 18V | |
| Charge-end Current | ≤ 0.2 A ±10% | Strict cutoff threshold to minimize electrochemical polarization | |
| Suitable Battery Type | 6S Li-ion / Li-Po Battery Networks | Calibrated hardware configuration for 22.2V nominal arrays | |
| Max Output Power | 25.2 W | Continuous continuous output power envelope (25.2V X 1A) | |
| Ripple Voltage | ≤ 168 mV | Full load, Peak-to-Peak (Vp-p high-frequency filter suppression) | |
| Efficiency (Natural Convection) | ≥ 85.0% | Full load @ 220V AC under completely enclosed fanless conditions | |
| Efficiency (Forced Air Cooling) | ≥ 90.0% | Tested with auxiliary system integration airflow management | |
| 3. Protection & Indicators | Short-Circuit / Reversed Protection | Yes / Yes | Instant microsecond solid-state isolation cutoff and latching lockout |
| Power LED State | Red | Primary AC mainline input verified active | |
| Charging LED (No Battery) | All Off | Open-circuit standby verification status loop | |
| Charging LED (Active Charge) | Flashing One by One | Active sequential capacity charging tracking indication | |
| Charging LED (Finished) | All On / Green On | 100% saturation reached; automated standby safety lock engaged | |
| Charging LED (Error State) | All Flashing | Fault status latch active (Over-temperature, line short, reverse connections) | |
| 4. Environmental | Operating Temperature | -10 to +40 °C | Sustained operation under full thermal stability saturation points |
| Storage Temperature | -40 to +70 °C | Protects component structural integration across long-range shipping transit | |
| Operating / Storage Humidity | < 90% RH / 0-95% RH | Non-condensing atmospheric evaluation limits | |
| Cooling Mechanics | Natural Convection | Zero mechanical noise; zero moving part wear vectors | |
| Vibration Resistance | 5 MM / 50 HZ / 600 S | Meets non-operating equipment transit shock thresholds | |
| Impact Resistance | 1-meter drop test, 3 times | Chassis structural impact retention verified | |
| 5. Mechanical | Net Weight | 250 g | Ultra-lightweight embedded or mobile hardware profile mass |
| Dimensions | 113X45X30 mm | Compact high-density spacing layout for portable hardware integration | |
| Output Connector | Refer to Order Guide | Custom terminal options tailored to specific enterprise hardware systems | |
| 6. Safety & Reliability | Max Temperature Rise | < 40 °C on casing | Tested under maximum continuous load saturation metrics |
| Safety Approvals | CE, TUV, FCC, PSE, CCC | Direct global shipping compliance authentication | |
| MTBF | 50,000 Hours | Calculated component lifecycle stress profiles | |
| ESD Immunity | 8.0 KV | Electrostatic arc safety separation line | |
| Dielectric Leakage Threshold | ≤ 0.25 mA | Audited leakage parameters under peak operating stress | |
| Hi-Pot Insulation | i/p to o/p: 3000 V (1 min) | Galvanic primary to secondary safety barrier isolation |
Compact Infrastructure Integration & Custom Interface Adaptability
The low-profile double-color LED configuration delivers definitive diagnostic readouts for engineering crews managing distributed portable arrays or embedded instrument cells. For infrastructure deployments demanding higher output velocity to support massive high-capacity industrial systems, procurement coordinators can review our advanced 25.2V 10A Li-ion battery charger blueprints. Phonix® provides extensive OEM/ODM structural variations, permitting hardware developers to specify heavy-duty output connectors, including molded DC barrels, gold-plated coaxial lines, insulated micro-clips, or specialized multi-pin connections certified to align with strict global UL infrastructure engineering safety codes.
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