The W88-A is a lightweight PWM solar charge controller designed for 12 V or 24 V battery systems. With a 10 A current rating and built-in LCD display, it supports basic off-grid setups including lighting, small appliances, and DC loads. Ideal for DIY solar kits, garden systems, and portable energy banks.

Specifications

• Controller Type: PWM (Pulse Width Modulation)
• System Voltage: Auto-detect 12 V / 24 V DC
• Rated Charge/Load Current: 10 A
• Battery Types Supported:
  - Sealed lead-acid (SLA)
  - Gel
  - Flooded
• Max PV Input Voltage: ≤ 50 V DC
• Self-Consumption: ≤ 10 mA
• Display: LCD with basic voltage and status indicators
• Load Control Modes: Manual / timer / dusk-to-dawn
• Protection Features:
  - Overcharge
  - Over-discharge
  - Reverse polarity
  - Short circuit
  - Overload
• USB Output: Dual 5 V / 2 A ports (optional)

Features

• Auto voltage detection for 12 V and 24 V battery systems
• Compact and cost-effective for small solar setups
• LCD interface for real-time voltage and load status
• Built-in protections for safe and reliable operation
• Ideal for garden lights, routers, CCTV, and small DC appliances
• Common use cases:
  - DIY solar kits and educational setups
  - Backup power for routers and LED lighting
  - Portable battery charging and DC load control
  - Small-scale irrigation and automation systems