Description
Product Overview
The Schumacher SC1355 is a fully automatic 3‑in‑1 battery charger, maintainer and reconditioner designed for 6V and 12V automotive batteries. Housed in a durable painted exterior, the unit measures 6.6 x 5 x 3.4 inches and weighs 1.2 lb, making it portable yet robust. It delivers a steady 1.5 A charge, incorporates a smart trickle algorithm, and features reverse‑polarity protection to prevent accidental damage. Included are quick‑connect clamps, a ring connector and a 6‑foot power cord for convenient setup.
Usage
Ideal for daily maintenance of car, truck, SUV, motorcycle, ATV, and marine batteries, the SC1355 can be used in garages, workshops, or on‑the‑road emergencies. Its AC‑powered design requires plugging in during operation, ensuring consistent power delivery. Whether you need to revive a dormant deep‑cycle battery or keep a standard lead‑acid battery at peak performance, this charger adapts to a wide range of vehicle types and battery chemistries.

Why Choose Us
Schumacher Electric brings over 100 years of battery expertise, guaranteeing reliability and safety. The SC1355’s multi‑stage charging algorithm maximizes battery lifespan while preventing over‑charging. Its reverse polarity safeguard and desulfation mode set it apart from generic chargers, delivering professional‑grade results for both DIY enthusiasts and professionals.
Key Features
- 3‑in‑1 functionality: charges, maintains, and reconditions batteries
- Smart 1.5 A trickle charge with automatic multi‑stage algorithm
- Reverse polarity protection for added safety
- Wide compatibility: 6V/12V, standard, AGM, and deep‑cycle batteries
- Complete kit: charger, quick‑connect clamps, ring connector, and user manual
FAQ
Can the SC1355 charge both 6V and 12V batteries?
Yes, the charger automatically detects voltage and adjusts its charging profile for both 6V and 12V battery types.
Is the charger safe for AGM and deep‑cycle batteries?
Absolutely. The smart algorithm includes specific modes to safely maintain AGM and deep‑cycle batteries without over‑charging.
What does reverse polarity protection do?
If the clamps are connected incorrectly, the protection circuit prevents current flow, protecting both the charger and the battery from damage.
Do I need to leave the charger plugged in continuously?
The unit must remain connected to AC power while charging or maintaining, but it will automatically switch to a low‑maintenance mode once the battery is fully charged.
How long does it take to fully charge a dead 12V battery?
Charging time varies with battery capacity, but a typical 12V, 45 Ah battery will reach full charge in approximately 30‑40 hours using the 1.5 A output.




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