16.8V 3A Li-ion Battery Charger for 4S 14.8V Battery
The Phonix® FX1683000 is a high-density 16.8V 3A Li-ion battery charger precision-engineered for rapid power delivery to 4S 14.8V Lithium-ion and Li-Po battery packs. Pushing a true 50W operational output, this stable and compact adapter is optimized for highly demanding applications including RC models, commercial LED systems, and heavy-duty consumer electronics. Powered by a smart MCU core, it executes an automated multi-stage safe profile (Pre-charge/CC/CV/Auto Cut-off) with localized thermal equilibrium management. Backed by an extensive 30,000 Hours MTBF and a solid 3-year factory warranty, this platform supports versatile OEM/ODM mechanical styling and holds top-tier safety certifications (UL, CE, TUV, FCC, PSE, CCC) required by industrial procurement teams worldwide.
Description
Advanced 50W Hardware Architecture & Thermal Control
The Phonix® FX1683000 is engineered to provide premium power density in a fanless, compact form factor. Designed for rapid-turnover deployments, its smart internal circuit mitigates heat dissipation, maintaining a surface casing temperature rise well under < 40°C even during peak Constant Current delivery. As a premier unit within our specialized group of 16.8V 3A Li-ion battery chargers, it outputs ripple-free current to protect sensitive multi-cell arrays, making it ideal for high-drain systems where tracking lithium-ion battery charging profiles is a crucial safety mandate.
Comprehensive Technical Parameters
| Category | Technical Parameter | Engineering Specification | Remarks / Test Conditions |
|---|---|---|---|
| 1. Input Specs | Rating Input Voltage | 100 ~ 240 Vac | 50/60 Hz Universal Power Grids |
| Input Voltage Range | 90 ~ 264 Vac | Grid fluctuation safety allowance | |
| Rating Input Current | 1.5 A / RMS | @ 100V Input, Full Load (Optimized Operating Margin) | |
| Max Input Power | 58W | @ 100V Input, Full Load | |
| 2. Output Specs | No Load Output Voltage | DC 16.8 V | Precision reference baseline |
| Output Voltage Range | DC 14.8V ~ 16.8V | Dynamic multi-stage curve adjustment | |
| Charging Current | 3A ±10% | Constant Current (CC) phase delivery | |
| Charging Voltage | DC 16.8 V ±0.2 V | Constant Voltage (CV) saturation window | |
| Pre-charge Current | 0.3A ± 0.1A | Triggers automatically when pack voltage ≤ 12V | |
| Charge-end Current | ≤ 0.6A ±10% | Auto Cut-off circuit threshold | |
| Suitable Battery Type | 4S Li-ion / Li-Po Battery Packs | Optimized for 14.8V nominal voltage configurations | |
| Timer Protection | — | Continuous structural state monitoring | |
| Max Output Power | 50W | High energy density efficiency output | |
| Ripple Voltage | ≤ 168mV | Full load condition (Vp-p) | |
| Efficiency | ≥ 89% | Full load @ 220V AC input spectrum | |
| 3. Protection & Indicators | Short-Circuit / Reversed Protection | Yes / Yes | Instant hardware latch-off & auto-recovery |
| Power LED State | Red | AC power source active | |
| Charging LED (No Battery) | All Off | Open circuit status standby | |
| Charging LED (Active Charge) | Flashing One by One | CC/CV profile executing safely (Capacity visualization) | |
| Charging LED (Finished) | All On / Green On | Pack fully saturated; float cut-off active | |
| Charging LED (Error State) | All Flashing | Fault latch-off (Short, Reverse, Over-temp) | |
| 4. Environmental | Operating Temperature | -10°C ~ +40°C | Full-load operational thermal baseline |
| Storage Temperature | -40°C ~ +70°C | Suited for heavy shipping transit stress | |
| Operating / Storage Humidity | < 90% RH / 0 ~ 95% RH | Non-condensing moisture profiles | |
| Cooling Mechanics | Natural Convection | Silent fanless heat dissipation | |
| Vibration Resistance | 5MM / 50HZ / 600S | Non-operating multi-axis stress verification | |
| Impact Resistance | 1-meter drop test, 3 times | Structural casing integrity certified | |
| 5. Mechanical | Weight | 400g | Optimized internal component trace distribution |
| Dimensions | 133 * 58 * 31 mm | Premium heavy-duty casing layout | |
| Output Connector | Refer to Order Guide | Highly customizable geometric options | |
| 6. Safety & Reliability | Max Temperature Rise | < 40°C on casing | Measured under stable continuous full-load |
| Safety Approvals | CE, TUV, FCC, PSE, CCC | Pre-certified for rapid global market distribution | |
| MTBF | 30,000 Hours | Strictly verified via accelerated life profiles | |
| ESD Immunity | 8.0 KV | High electrostatic isolation thresholds | |
| Hi-Pot Insulation | i/p to o/p: 3000V (1 min) | High-voltage isolation barrier testing |
Visual Capacity Tracking & Smart Safety Layout
Unlike lower amperage chargers, the FX1683000 utilizes an interactive LED capacity layout that flashes sequentially during active charging states. This gives field operators real-time feedback on current capacity levels while maintaining hardware tracking to block cross-use risks. For detailed safety whitepapers regarding custom battery integrations, check out the specialized data libraries on the IEEE Xplore Digital Library. Additionally, if your technical staff are evaluating mixing charging systems, read our investigative study answering can you use a lead-acid charger on a lithium battery to maintain safety guidelines across your workshop.
Scalable OEM/ODM Factory Customization Path
To support product engineers and procurement managers across diverse industries (such as high-end RC devices, consumer gadgets, and smart LED setups), Phonix® offers modular adaptation paths across our full 4S (14.8V nominal) product matrix, matching parameters shown at major expos like the International Hardware Fair Cologne:
- Lower Current Systems: For systems designed around tighter cells or overnight replenishment, we supply our entry-level 16.8V 1A Li-ion battery charger and standard-grade 16.8V 2A Li-ion battery charger.
- High-Amp Fast Charging: For rapid heavy-duty tool turning or field battery swapping, upscale your order directly to the rugged 16.8V 4A Li-ion battery charger or our max-output 16.8V 5A Li-ion battery charger platforms.
- Global Hardware Matching: Tailored with detachable cords for multi-country standards (US, EU, UK, AU, JP) and customizable DC tips (XLR, GX16 Aviation, Anderson, XT60, XT90) certified under official UL Standards Certification Services and rigorous IEC Standards.
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