16.8V 16A Fast Li-ion Battery Charger for 4S 14.8V Battery
Designed to support high-throughput utility workflows and fast-turnaround battery matrix swaps, the Phonix® FX16816000 delivers an intensive 268.8W stable DC power envelope as an industrial flagship 16.8V 16A Li-ion battery charger. Purpose-built for high-capacity 4S 14.8V Lithium-ion and Li-Po battery packs deployed in micro-mobility fleets and heavy-duty energy storage networks, this passive-cooling hardware platform effectively neutralizes terminal voltage stress during aggressive constant-current fast charging. The heavy-duty cast architecture (233 x 108 x 64 mm, 1700g) leverages optimized internal heat-sink coupling for natural air convection, eliminating destructive cooling fans to permanently isolate logic circuits from abrasive workshop debris or conductive soot. Monitored by a high-frequency microprocessing controller, it triggers automatic latch cutoffs during sudden input/output load variances such as voltage surges, current spikes, short circuits, or line orientation errors. Sustaining a 100,000-hour MTBF paired with a 5-year factory warranty, this 16A power delivery system satisfies the rigid technical evaluation criteria of international enterprise RFPs with comprehensive global compliance credentials (UL, CE, TUV, FCC, PSE, CCC).
Description
High C-Rate Fleet Stabilization via Fanless Aluminum Heat-Sink Integration
Managing a continuous 268.8W electrical profile without mechanical active cooling demands superior internal thermal topology to mitigate early component aging and localized heat concentration. The Phonix® FX16816000 utilizes an expanded, high-density flame-retardant housing coupled with internal heavy-gauge aluminum heat sinks that facilitate safe natural air convection. For commercial battery swapping systems and heavy power tool grids, removing integrated fans prevents failures from ambient moisture, metallic filings, or carbon dust buildup that routinely short-circuits standard commercial hardware. This sealed structural design ensures the outer casing temperature rise remains well under < 40°C even during peak constant-current execution, protecting structural cell chemistry from thermal degradation and avoiding charge-limiting thermal throttling.
Technical Parameters
| Category | Technical Parameter | Engineering Specification | Remarks / Test Conditions |
|---|---|---|---|
| 1. Input Specs | Rating Input Voltage | 100 ~ 240 Vac | 50/60 Hz Universal Input |
| Input Voltage Range | 90 ~ 264 Vac | Grid variance tolerance window | |
| Rating Input Current | 7.5 A / RMS | @ 100V Input, Full Load (With industrial fuse redundancy) | |
| Max Input Power | 293W | @ 100V Input, Full Load | |
| 2. Output Specs | No Load Output Voltage | DC 16.8 V | Precision voltage reference |
| Output Voltage Range | DC 14.8V ~ 16.8V | Dynamic curve regulation | |
| Charging Current | 16A ±10% | High-output Constant Current (CC) fast charge stage | |
| Charging Voltage | DC 16.8 V ±0.2 V | Constant Voltage (CV) saturation window | |
| Pre-charge Current | 1.6A ± 0.1A | Triggers when battery voltage ≤ 12V | |
| Charge-end Current | ≤ 1.6A ±10% | Calibrated cut-off current threshold for full high-capacity cell saturation | |
| Suitable Battery Type | 4S Li-ion / Li-Po Battery Packs | Optimized for 14.8V nominal voltage configurations | |
| Timer Protection | — | Continuous state tracking | |
| Max Output Power | 268.8W | Continuous maximum power output | |
| Ripple Voltage | ≤ 168mV | Full load, Peak-to-Peak (Vp-p value) | |
| Efficiency | ≥ 92% | Full load @ 220V AC input | |
| 3. Protection & Indicators | Short-Circuit / Reversed Protection | Yes / Yes | Instant hardware cutoff with automatic recovery |
| Power LED State | Red | AC input source active | |
| Charging LED (No Battery) | All Off | Standby open-circuit state | |
| Charging LED (Active Charge) | Flashing One by One | Multi-stage charging in progress (Capacity feedback) | |
| Charging LED (Finished) | All On / Green On | Pack fully saturated; automatic cutoff active | |
| Charging LED (Error State) | All Flashing | Fault latch active (Short circuit, Reverse, Over-temp) | |
| 4. Environmental | Operating Temperature | -10°C ~ +40°C | Continuous operation at stable full load |
| Storage Temperature | -40°C ~ +70°C | Suitable for multi-zone shipping transit stress | |
| Operating / Storage Humidity | < 90% RH / 0 ~ 95% RH | Non-condensing moisture thresholds | |
| Cooling Mechanics | Natural Convection | Silent fanless heat dissipation | |
| Vibration Resistance | 5MM / 50HZ / 600S | Non-operating multi-axis vibration verification | |
| Impact Resistance | 1-meter drop test, 3 times | Casing structural integrity certified | |
| 5. Mechanical | Weight | 1700g | Net weight of reinforced high-power casing version |
| Dimensions | 233 * 108 * 64 mm | High-impact flame-retardant shell layout | |
| Output Connector | Refer to Order Guide | Highly customizable termination geometries | |
| 6. Safety & Reliability | Max Temperature Rise | < 40°C on casing | Measured at maximum stable power envelope |
| Safety Approvals | CE, TUV, FCC, PSE, CCC | Certified for direct global market shipping | |
| MTBF | 100,000 Hours | Calculated via continuous stress profiles | |
| ESD Immunity | 8.0 KV | Electrostatic isolation safety threshold | |
| Hi-Pot Insulation | i/p to o/p: 3000V (1 min) | Primary to secondary electrical testing |
Enterprise Supply Infrastructure & High-Current Interface Architecture
The premium sequential multi-LED interface offers immediate active status updates for operations teams overseeing heavy infrastructure array frameworks. For facility processes using parallel battery groupings where a slightly reduced top charging velocity profile is desired to regulate substation thermal load, purchasing agents can explore our high-efficiency 16.8V 10A Li-ion battery charger parameter blueprints. Phonix® fully accommodates complete factory OEM/ODM architecture revisions, allowing B2B buyers to order customized AC source wires (US, EU, UK, AU, JP) along with extreme-current DC couplings such as multi-contact XLR configurations, GX16 Aviation interfaces, high-rate Anderson powerpole connectors, or genuine XT60 and XT90 blocks compliant with European CE harmonized standards.
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