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PulseTech SP-12 SolarPulse 12V Battery Charger and Maintainer (12-Watt)
The PulseTech SP-12 (Manufacturer Part # 735X468) is a 12-watt SolarPulse battery charger and maintainer engineered to charge, condition, and prevent sulfation in 12V lead-acid batteries. Built for outdoor vehicles and equipment, this unit safely maintains VRLA, AGM, Gel, and flooded cell batteries without the risk of overcharging or overheating. Delivering 750 mA of output current, it provides sufficient power to support up to three or four 12V batteries connected in parallel.
Utilizing high-efficiency monocrystalline cells housed under a virtually indestructible polyurethane plastic coating, the SP-12 eliminates the need for bulky, breakable glass panels. The integrated patented Pulse Technology actively reverses battery sulfation, maximizing power retention and extending battery life up to three times. An intuitive LED indicator displays solid red in full sunlight and fades during partial light exposure.
Key Features
- Broad Compatibility: Charges and maintains all 12V lead-acid batteries (VRLA, AGM, Gel, and flooded).
- Parallel Support: Capable of maintaining 3 to 4 batteries connected in parallel in peak condition.
- Desulfation Technology: Patented high-frequency Pulse Technology reduces jumpstarts and extends battery life up to 3X.
- Durable Construction: Commercial-grade monocrystalline solar panel features a rugged, weather-impervious polyurethane coating.
- Compact Footprint: Up to 30% smaller than standard amorphous thin-film panels of equivalent output.
- Safety Built-in: Features intelligent microprocessor-controlled charging algorithms and reverse polarity protection.
Technical Specifications
| Output Current | 750 mA |
|---|---|
| Bulk Charge Output Voltage | 16.5 VDC |
| Solar Panel Dimensions | 12.41" L x 9.85" W x 0.2" H |
| Circuit Box Dimensions | 3.4" L x 2.4" W x 1.5" H |
| Box to Panel Wire Length | 17 ft |
| Box to Lug Wire Length | 3 ft |
| Operating Temperature | 0°F to 130°F (-18°C to 54°C) |
| Storage Temperature | 0°F to 150°F (-18°C to 66°C) |
| Weight | 2.5 lbs |
Frequently Asked Questions
What types of batteries is the SP-12 compatible with?
The SP-12 works on any 12V lead-acid battery configuration, including VRLA, AGM, gel, and flooded cell batteries.
How many batteries can this charger maintain at once?
The 12-watt output is ideal for keeping 3 to 4 12V batteries connected in parallel at a full state of charge.
What does the red LED indicator signify?
The LED shines steady red when the panel is in full sunlight and operating at optimum level. The indicator gradually fades when exposed to only partial light.
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