700W MPPT Solar Charge Controller (Step-Up/Step-Down, 50A)

Product Overview

The 700W MPPT Solar Charge Controller (Step-Up/Step-Down, 50A) is a MPPT Solar Charge Controller engineered for B2B power solutions, including off-grid solar systems, backup power, mobile energy storage, RV / marine / camping applications, and OEM system integration. Built with industrial-grade components, this unit delivers reliable, efficient, and safe power conversion for global distributors, system integrators, and end customers.

This model (700W rated, 14.6V/29.4V/54.4V/58.4V output, 70V PV max open-circuit, 50A charge current, ≥94% efficiency, supports LFP / ternary lithium batteries) combines a high-efficiency inverter stage with comprehensive protection circuits, smart cooling, and multi-mode operation to handle diverse power scenarios. The unit is suitable for both direct retail and OEM/ODM integration.

Key Features & Specifications

• 700W MPPT solar charge controller for off-grid solar, RV, marine, and remote power systems
• Maximum Power Point Tracking (MPPT) algorithm for up to 30% more energy harvest vs PWM
• Wide PV input range: 12.6V-80V open-circuit, supports 12V/24V/48V battery systems
• Multi-stage charging: bulk / absorption / float / equalization for optimal battery life
• ≥94% peak conversion efficiency with synchronous buck-boost topology
• 50A maximum charge/discharge current for high-power solar arrays up to 2400W
• Multi-protocol output: 12.6V/14.6V/25.2V/29.4V/54.4V/58.4V for lead-acid and lithium batteries
• Comprehensive protections: over-voltage, over-current, over-temperature, reverse-polarity, short-circuit
• Built-in 4010 cooling fan with auto temperature control (≥36°C start)

Quality Standards & Certifications

• CE / FCC / RoHS compliance for international export
• ISO 9001:2015 quality management system for OEM/ODM production
• Pure sine wave output meeting IEEE 519 harmonic distortion standards
• Comprehensive protection circuits: OVP / UVP / OCP / SCP / OTP
• EMC compliance: EN 61000-6-1 / EN 61000-6-3 (industrial / residential electromagnetic compatibility)
• Low standby power consumption for energy efficiency

Packaging & Logistics

• Individual unit packed in retail-ready color box with foam protection
• Master carton with anti-static bag and protective dividers for safe transport
• Loading Port: Shenzhen / Shanghai / Ningbo (FOB China)
• Lead Time: 15-30 days for stock items; 30-60 days for custom OEM/ODM
• Documentation: COA, MSDS (for applicable models), quality inspection report, FCC/CE certificates, export documents

OEM, ODM & Customization Services

Full OEM/ODM services available: custom branding on product and packaging, firmware tuning for specific battery chemistries, custom voltage / frequency / power configurations, and white-label manufacturing. Our engineering team supports distributors, brand owners, and system integrators with flexible MOQs and fast turnaround.

• MOQ: 5 units (trial order); volume pricing negotiable
• Custom Branding: your logo, your packaging, your user manual, your firmware defaults
• Custom Configurations: voltage (110V / 220V / 240V), frequency (50Hz / 60Hz), battery chemistry (LFP / ternary / lead-acid), communication protocol (RS-485 / RS-232 / CAN / Bluetooth)
• Documentation: COA, MSDS, CE/FCC certificates, quality inspection report, export documents, BIS / PSE / KC compliance support

Why Partner With Us

Our inverter and power station products are manufactured in ISO 9001-certified facilities with rigorous quality control, full component traceability, and continuous product improvement. With established export networks in 30+ countries, we deliver reliable, cost-effective power solutions to global distributors, brand owners, and system integrators. Whether you need a ready-to-sell retail product or a customized OEM module, we provide the engineering support, quality assurance, and supply chain reliability you need.

Contact us today for tier wholesale pricing, OEM/ODM consultation, and sample requests.