25.2V 5A Li-ion Charger for 6S 22.2V Battery
If you are designing low-power portable electronics, commercial drones, or cordless tool docks, the Phonix® FX2521000 (25.2V 1A) offers a highly reliable, set-and-forget power solution. This 25.2W smart charger is built specifically for 6S 22.2V Li-ion and Li-Po setups that don’t require aggressive fast charging but demand absolute continuous reliability. Its pocket-sized 113X45X30mm casing is completely sealed and fanless, meaning it runs in absolute silence while keeping workplace dust and moisture out of the circuitry. Guided by a smart MCU that runs an active multi-stage charging loop, it handles cell safety automatically, making it the perfect bundled power adapter for premium OEM hardware kits.
Description
Managing Power Density Scales in Constrained Hardware Profiles
Stepping up continuous output to 50.4W within a miniature 113X45X30mm mechanical layout introduces distinct thermodynamic challenges, particularly when trying to prevent early component fatigue. The Phonix® FX2522000 solves this power-to-volume bottleneck through an integrated zero-voltage switching (ZVS) control loop that systematically lowers hard-switching stresses across the primary silicon gates. Abandoning traditional chassis fans eliminates mechanical noise and moving part wear, relying instead on a high-grade thermal compound to ground internal hot spots directly to the solid polymer shell. This non-ventilated structural shield entirely locks out metallic processing dust, dynamic workshop humidity, and corrosive soot from destabilizing the internal multi-layer PCB. Operating with a certified casing temperature rise of under < 40°C, the sealed module controls secondary electrical aging, securing strict parameter alignment during intense constant-current charging shifts.
Technical Parameters
| Category | Technical Parameter | Engineering Specification | Remarks / Test Conditions |
|---|---|---|---|
| 1. Input Specs | Rating Input Voltage | 100-240 Vac | 50/60 Hz Global Main Grid Universal Adaptation |
| Input Voltage Range | 90-264 Vac | Maintains uninterrupted output regulation through line sags | |
| Rating Input Current | 1.0 A / RMS | @ 100V AC Input, Full Load (Optimized Operational Window) | |
| Max Input Power | 60.0 W | Calculated closed-loop baseline at maximum load parameters | |
| 2. Output Specs | No Load Output Voltage | DC 25.2 V | Precision reference window; absolute overcharge suppression |
| Output Voltage Range | DC 21.20-25.2 V | Dynamic closed-loop regulation tracking architecture | |
| Charging Current | 2 A ±10% | Constant Current (CC) high-rate bulk injection phase | |
| Charging Voltage | DC 25.2 V ±0.2 V | Constant Voltage (CV) saturation tracking safety boundary | |
| Pre-charge Current | 0.2 A ±0.1 A | Automated low-voltage cell recovery cycle active when pack ≤ 18V | |
| Charge-end Current | ≤ 0.4 A ±10% | Strict threshold cutoff to protect long-term cell capacity | |
| Suitable Battery Type | 6S Li-ion / Li-Po Pack Arrays | Calibrated component matching for 22.2V nominal packs | |
| Max Output Power | 50.4 W | Continuous power envelope rating (25.2V X 2A) | |
| Ripple Voltage | ≤ 168 mV | Full load, Peak-to-Peak (Vp-p high-frequency noise filtering) | |
| Efficiency | ≥ 85.0% | Full load @ 220V AC within fully enclosed fanless casing | |
| 3. Environment | Operate Temperature / Humidity | -10 to +40 °C / < 90% RH | Continuous operation under full thermal stability saturation |
| Cooling Mechanics | Natural Convection | Zero mechanical noise; zero moving part wear vectors | |
| Vibration / Impact Resistance | 5 MM / 50 HZ; 1m drop test 3 times | Meets non-operating transit shock thresholds | |
| Dimensions / Weight | 113X45X30 mm / 250 g | Casing outline only; ultra-compact micro footprint | |
| 4. Safety & Protections | Output Protections | OVP, OCP, Shorted, Reversed | Instant microsecond solid-state isolation cutoff |
| Safety Approvals / MTBF | CE, UL, TUV, FCC, PSE, CCC / 30K Hours | Direct global shipping compliance authentication | |
| Hi-Pot / ESD | i/p to o/p: 3000V (1 min) / 8.0 KV | Galvanic primary to secondary safety barrier isolation |
Application Versatility & Upgraded Current Pathways
The automated hardware cutoff logic ensures that your 6S cell packs are never exposed to chronic overcharging or dynamic reverse-polarity risks. For industrial drone operations or automated warehouse nodes that demand higher continuous current delivery under heavy loads, consider evaluating our mid-tier 25.2V 3A battery charger blueprints. We provide extensive custom connector integrations, allowing you to match your fleet with GX-series aviation plugs, heavy copper alligator clamps, or specialized multi-pin outputs certified to meet European CE conformity laws.
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