Smart 36V 13A Waterproof Lithium Battery Charger
- TopologyDC-DC Step-Up Boost
- Input VoltageDC 10–18V (12V Nominal)
- Output CC/CV43.8V @ 13A (570W)
- Ingress RatingIP68 Full Epoxy Potted
Enterprise Solutions
Industrial-Grade LiFePO4 & Lithium Charging Hardware
Engineered for high-humidity coastal zones, marine crafts, EV fleets, and island microgrids. Fully CE and RoHS verified under ISO 9001 quality supervision.
600W AC-to-DC Waterproof LiFePO4 Charger
- TopologyAC-DC Resonance Half-Bridge
- Input Grid90–265V AC Universal
- Output Voltages14.6V / 29.2V / 58.4V
- Thermal ControlFanless Cold-Plate Cooling
300W Submersible Marine Lithium Charger
- Target Systems12V / 24V House Banks
- ProtectionReverse Polarity & Anti-Spark
- AC ConnectionUS / EU / UK / AU Moulded Plugs
- Efficiency≥ 93.5% at Rated Load
400W Battery-to-Battery LiFePO4 Dual Charger
- Alternator Input10–36V DC Smart Regulated
- House Bank Out14.6V / 29.2V CC/CV
- Ignition SenseEuro 5/6 D+ Intelligent Wakeup
- Form FactorExtruded Aluminium Ribbed Case
1500W Buck-Boost Converter & Charger (RS485)
- Wide Input Range10–60V DC Seamless Transition
- Output Programmable12V / 24V / 28V / 48V Bus
- TelemetryRS485 Modbus RTU Protocol
- Microgrid ModeSolar PV Droop Sharing Ready
Isolated 18–90V to 12V Telecom/Marine Supply
- Isolation Barrier1500V DC Galvanic Isolation
- Input Spread18–90V Wide Battery Bank
- Continuous Output12V @ 10A (120W Stable)
- Noise FilteringIntegrated EMI Class B Filter
72V to 24V 20A E-Mobility Buck Charger/Regulator
- Input Window30–90V DC Traction Voltage
- Regulated Output24V @ 20A Continuous (480W)
- Vehicle StandardsISO 7637-2 Surge Compliant
- SealingIP67 Vibration Resistant
24V to 12V 100A High-Current Heavy Fleet Converter
- Output Current100A Constant Delivery (1200W)
- Synchronous RectPlanar Magnetics Design
- Efficiency96% Low Thermal Dissipation
- ApplicationCommercial Buses, Marine Mains
500+
Standard SMPS & Charger Models
130+
Countries & Global Territories Served
96%
Peak Synchronous Efficiency
5 Units
Low Evaluation MOQ for Engineers
Whitepaper Analysis
Engineering Lithium Infrastructure for Coastal & Microgrid Environments
Berekua and surrounding coastal Caribbean regions present severe operating hurdles for battery storage and charging systems, dominated by salt-fog galvanic corrosion, erratic grid frequencies, and elevated thermal thresholds.
Coastal Microgrids & Solar-Plus-Storage
Due to isolated grid distribution lines susceptible to hurricane events and line surges, distributed energy storage systems (BESS) require intelligent chargers capable of tolerating harmonic distortion from 45Hz to 65Hz while holding an unyielding 0.2% voltage tolerance for lithium iron phosphate (LiFePO4) cell health.
Artisanal Fishing & Marine Electrification
Transitioning maritime vessels from lead-acid starter banks to high-energy lithium power requires ruggedized DC-to-DC converters. Direct alternator connection to lithium yields alternator burnouts due to zero internal impedance; our smart CC/CV chargers act as galvanic thermal firewalls.
Off-Grid Telecom & Remote Infrastructure
Tower sites scattered across mountainous rainforest topographies demand zero downtime. Our isolated 18–90V buck-boost modules deliver clean 12V and 24V logic power to telecom transmitters without ground loops, protected against 100% condensing relative humidity.
Shenzhen Manufacturing Direct
Why Tier-1 Engineers Direct-Source from Eltrum
Shenzhen Eltrum Electronic Co., Ltd. operates a high-density, ISO 9001:2015-certified production facility tailored specifically for wide-voltage switch-mode power supplies (SMPS) and industrial battery chargers. Unlike trading intermediaries, we control every trace, winding, and potting protocol.
Every single lithium battery charger unit leaving our lines undergoes multi-stage automated optical inspection (AOI), full-temperature chamber functional validation, and extended 100% full-load dynamic burn-in cycles to guarantee zero infant mortality in offshore installations.
Industry Outlook
Emerging Technology Trends in Regional Electrification
A data-backed examination of power electronics advancement across regional microgrids and off-grid mobile infrastructure over the coming decade.
Wide Bandgap Semiconductors (GaN & SiC)
Silicon carbide (SiC) MOSFETs are actively replacing standard silicon silicon superjunctions in our premium 1000W+ chargers, diminishing switching dissipation by 45%. This enables sealed IP67 units to operate continuously without active forced-air blowers that fail under salt air ingress.
Multi-Stage Profile Customization via RS485
Static charging profiles often damage bespoke battery management systems (BMS). Modern tenders in commercial transport require software-definable CC/CV curves, programmable via CANopen or Modbus RTU, ensuring seamless coordination with tier-1 LFP, NMC, and LTO cell chemistries.
Decentralized Microgrid Direct DC Coupling
Stepping DC down to AC and back up to DC causes an unacceptable 18-24% cumulative thermal loss. The regional trajectory favors DC-coupled microgrids: high-voltage solar strings feed DC-DC buck converters directly to recharge battery banks at over 96.5% system efficiency.
Procurement Guidance
Frequently Asked Questions by Technical Buyers in Berekua
Addressing the critical compliance, logistical, and technical engineering considerations encountered when sourcing high-power charging systems.
What specific CE directives do your lithium chargers comply with for import clearance?
Our power conversion series are fully documented under the Low Voltage Directive (LVD) 2014/35/EU and the Electromagnetic Compatibility Directive (EMC) 2014/30/EU. Harmonic distortion meets EN 61000-3-2 standards, and conducted emissions conform to EN 55032 Class B, ensuring unhindered customs clearance for commercial installation throughout international jurisdictions.
How do the chargers mitigate high salinity and extreme humidity along coastal waters?
Every waterproof series model is encased in die-cast aluminum alloys treated with an anti-corrosion passivation layer, filled entirely with thermally conductive vacuum-injected polyurethane or epoxy resins (UL94V-0 flammability rating). This completely eliminates air gaps, preventing moisture condensation, ionic salt-fog shorts, and mechanical vibration degradation.
Why must a dedicated DC-DC charger be used when charging from a vehicle or vessel alternator?
Standard engine alternators are designed solely for starter lead-acid batteries with high internal resistance. Lithium batteries exhibit virtually negligible impedance; direct connection causes the alternator to run at maximum thermal overload continuously at low engine RPMs, culminating in stator failure. Our DC-DC chargers limit current, maintain a precise 14.6V or 29.2V profile, and insulate the starter battery from deep cycling.
What is the minimum order quantity (MOQ) and lead time for custom voltage or connector prototypes?
To empower design engineers to thoroughly benchmark on-site applications, our typical sampling MOQ begins at only 5 units for standard catalog units. Tailored voltage variations (e.g., custom termination voltages for 7S or 14S configurations), custom cable harnesses, or specific Anderson/Amphenol terminations require standard lead times of 10 to 18 business days from engineering validation.
How can distributed microgrid installers monitor and manage charging parameters remotely?
Our higher-tier modules (such as the WG-12C800M and 1500W Series) feature integrated RS485 communication ports executing standard Modbus protocols. This allows external programmable logic controllers (PLCs), IoT gateways, or central energy storage software to adjust charge rates, monitor individual heatsink temperatures, and log faults in real time.
What payment terms and logistical routing options support deliveries to regional hubs?
We provide standard FOB, CIF, and EXW arrangements accepting telegraphic transfer (T/T), PayPal, and secure Escrow in USD or CNY. We routinely coordinate consolidated air-freight and ocean container freight via international consolidators to guarantee fast, insured delivery directly to maritime facilities and manufacturing staging centers.
Accelerate Your Electrification Projects With Direct Factory Engineering
Speak directly with our power supply architects to configure custom input envelopes, thermal specifications, and compliance documentation tailored for your regional deployment.