12V 500mA SLA Battery Charger, Automatic Dual-Stage Charging with LED Indicator – Compact Smart Charger

This 12 V 500 mA automatic battery charger is specifically engineered for sealed lead-acid (SLA) batteries, including AGM and gel cell types. Featuring an intelligent dual-stage charging algorithm, it provides a bulk charge phase followed by an automatic float mode to prevent overcharging, ensuring extended battery life and optimal performance. The compact design includes built-in short-circuit and reverse polarity protection, along with an LED charging indicator for real-time status updates. Ideal for 12V SLA batteries used in security systems, UPS backups, emergency lighting, and small mobility equipment, this charger delivers reliable performance with minimal user supervision.

Key Features:

• Dual-stage automatic charging for optimized SLA battery maintenance
• 500 mA output current suitable for 12V sealed lead-acid, AGM, and gel batteries
• Automatic switch to float mode prevents overcharging and extends battery lifespan
• Integrated safety protections including short circuit and reverse polarity
• LED indicator clearly shows charging and standby status
• Compact and lightweight design suitable for wall mounting or desktop use