21V 7A Li-ion Battery Charger for 5S 18.5V Battery
To ensure peak productivity metrics and prevent infrastructure localized bottlenecks across commercial micro-mobility fleets, automated manufacturing hubs, and heavy-duty industrial tools, the Phonix® FX2107000 delivers an unrelenting 147W continuous energy pathway as an enterprise-grade 21V 7A Li-ion battery charger. Engineered to eliminate capacity polarization and counteract localized cell imbalance across 5S 18.5V Lithium-ion and Li-Po battery packs, this system maintains a rock-solid electrical profile under demanding duty cycles. The completely sealed, passive convection-cooled housing isolates sensitive inner logic lanes from airborne ferrous particles, heavy processing soot, and workshop moisture within a specialized 178X80X46 mm framework. Utilizing an optimized LLC resonant setup paired with synchronous rectification secondary topologies, the platform drives a full-load efficiency threshold of >= 91.0% to suppress structural thermal dissipation. Managed by an intelligent monitoring microcontroller, it deploys hardware-level latching cuts against over-voltage spikes, output short-circuits, and reverse cross-connections. Validated for zero-maintenance long-term deployment backed by an authoritative 100,000-hour MTBF and our 5-year factory warranty, this 7A fast-charging asset coordinates high-throughput uptime without inducing power line destabilization.
Description
Transient Harmonic Distortion Suppression via Interleaved Active PFC Topology
Injecting a continuous 147W fast-charge current into industrial battery assemblies mandates sophisticated control over power line disruptions to protect sub-panel components from severe phase distortion or cross-system inductive noise. The Phonix® FX2107000 coordinates an interleaved active power factor correction topology coupled with advanced synchronous rectification secondary topologies to preserve optimal utility grid parity. Encased within a fire-retardant solid polymer chassis measuring 178X80X46 mm and weighing 850g, the unit rejects mechanical fan dependencies in favor of pure natural air convection cooling. This design choice completely seals off the internal multi-layer PCB from conductive dust layers, metal shavings, and humid ambient air tracking paths that compromise generic commercial infrastructure. This robust system keeps total outer casing temperature rise under < 40°C during maximum constant-current delivery, mitigating long-term component value drift and reducing the equipment lifetime total cost of ownership (TCO).
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 Compliance |
| Input Voltage Range | 90-264 Vac | Maintains uninterrupted continuous charging through severe line sags | |
| Rating Input Current | 1.65 A / RMS | @ 100V AC Input, Full Load (Audited with Mandatory Active PFC) | |
| Power Factor (PF) | >= 0.98 | Active PFC circuit matrix for professional distribution management | |
| Max Input Power | 161.5 W | Calculated closed-loop baseline: Pout (147W) / Efficiency (91.0%) | |
| 2. Output Specs | No Load Output Voltage | DC 21.0 V | Precision reference window; entirely prevents battery pack overcharging |
| Output Voltage Range | DC 18.50-21.0 V | Dynamic closed-loop saturation tracking regulation curve | |
| Charging Current | 7 A ±10% | High-rate Constant Current (CC) constant bulk injection phase | |
| Charging Voltage | DC 21.0 V ±0.2 V | Constant Voltage (CV) saturation management curve | |
| Pre-charge Current | 0.7 A ±0.1 A | Automated safe cell reactivation active when loop voltage ≤ 15V | |
| Charge-end Current | ≤ 0.7 A ±10% | Strict 10% cutoff rule to suppress electrochemical cell polarization | |
| Suitable Battery Type | 5S Li-ion / Li-Po Battery Assemblies | Calibrated parameter matching for 18.5V nominal enterprise arrays | |
| Timer Protection | — | Autonomous internal hardware phase runtime limiter | |
| Max Output Power | 147 W | Continuous continuous output power envelope (21V X 7A) | |
| Ripple Voltage | ≤ 168 mV | Full load, Peak-to-Peak (Vp-p high-frequency smoothing filtering) | |
| Efficiency | ≤ 91.0% | Full load @ 220V AC leveraging secondary synchronous rectification | |
| 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 | |
| Charging LED (Active Charge) | Flashing One by One | Active sequential capacity tracking output indication | |
| Charging LED (Finished) | All On / Green On | 100% cell saturation reached; automated standby safety lock engaged | |
| Charging LED (Error State) | All Flashing | Fault loop 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 | 850 g | Total mass of reinforced infrastructure assembly |
| Dimensions | 178X80X46 mm | Robust, industrial-grade heavy-duty mechanical footprint layout | |
| 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 | 100,000 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 |
Enterprise Grid Fleet Integration & Custom Cable Optimization
The integrated sequential LED capacity layout offers instant status tracking for asset management teams overseeing multi-bay charging racks on active industrial floors. For facilities requiring a lower fast-charge baseline to protect compact tool configurations or adjust local branch layout rules, operations engineers can consult our scalable 21V 6A Li-ion battery charger specification sheets. Phonix® fully supports rigorous OEM/ODM hardware adaptations, permitting procurement supervisors to designate specialized high-durability output termination hardware such as multi-pin aviation plugs, solid coaxial systems, heavy insulated clamps, or high-amp Anderson terminals certified to meet global FCC electromagnetic interference thresholds.
Reviews
There are no reviews yet.