16.8V 9A Li-ion Battery Charger for 4S 14.8V Battery
To eliminate operational bottlenecks in high-rate fleet deployments, the Phonix® FX1688000 provides a continuous 134.4W regulated DC output as a premium 16.8V 8A Li-ion battery charger. Specifically tailored for heavy-duty 4S 14.8V Lithium-ion and Li-Po battery configurations, this fanless platform mitigates thermal runaway and cell misalignment through a highly calibrated constant-current transition curve. The oversized, sealed chassis leverages structural ambient convection to dissipate heat safely without mechanical fans, entirely isolating sensitive logic boards from warehouse debris and dust fouling. Managed by an enterprise-grade micro-processing unit, it enforces hardware-latch cutoffs during critical fault states, including over-voltage, short-circuits, and reversed lines. Boasting a rigorous 100,000-hour MTBF alongside a 5-year commercial warranty, this high-amp system satisfies the strict technical criteria of global RFP procurement schedules with full regulatory compliance stamps (UL, CE, TUV, FCC, PSE, CCC).
Description
Duty Cycle Optimization via Dust-Resistant Thermal Design
Managing a continuous 151.2W power output without mechanical fans requires substantial thermal engineering to prevent component degradation and cell stress. The Phonix® FX1689000 utilizes a heavy-duty, flame-retardant enclosure (178 x 80 x 46 mm, 800g) that relies entirely on passive natural air convection. By eliminating internal fans, this hardware configuration completely mitigates dust ingress—a major cause of field failures in workshops and drone deployment sites. The exterior shell design keeps the temperature rise under < 40°C during maximum constant-current delivery, ensuring stable power infrastructure without risking thermal throttling or premature cell aging during multi-pack charge cycles.
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 | 4.5 A / RMS | @ 100V Input, Full Load (With safety margin) | |
| Max Input Power | 172W | @ 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 | 9A ±10% | High-rate Constant Current (CC) stage | |
| Charging Voltage | DC 16.8 V ±0.2 V | Constant Voltage (CV) saturation window | |
| Pre-charge Current | 0.9A ± 0.1A | Triggers when battery voltage ≤ 12V | |
| Charge-end Current | ≤ 0.9A ±10% | Optimized cut-off current threshold for full 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 | 151.2W | Continuous maximum power output | |
| Ripple Voltage | ≤ 168mV | Full load, Peak-to-Peak (Vp-p value) | |
| Efficiency | ≥ 93% | 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 | 800g | Net weight of heavy-duty casing version |
| Dimensions | 178 * 80 * 46 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 |
B2B Procurement Protocols & Termination Options
The integrated sequential LED interface provides immediate field diagnostics for maintenance engineers managing centralized charging racks. For operations utilizing varied battery inventories where a lower maximum current loop is required to limit grid load, procurement teams can review our high-stability 16.8V 7A Li-ion battery charger parameters. Phonix® handles full-scale OEM/ODM industrial revisions from our factory, providing region-specific AC line configurations (US, EU, UK, AU, JP) along with heavy-duty output connectors such as multi-pin XLR, GX16 Aviation interfaces, high-rate Anderson blocks, or genuine XT60/XT90 hardware combinations aligned with official TUV safety engineering rules.
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