What types of batteries are supported?
Both ULTRACHARGE models are compatible with:
Lead Acid
AGM
Gel
Calcium
EFB (Start/Stop)
Lithium (LiFePO₄) batteries
Are ULTRACHARGE chargers safe for Start/Stop vehicles?
Yes. Both models are fully compatible with Start/Stop systems and use controlled charging to protect modern vehicle electronics.
Do these chargers prevent overcharging?
Yes. ULTRACHARGE chargers are designed for safe long‑term battery maintenance, ideal for seasonal vehicles or infrequently used cars.
What safety features are included?
Key safety features include:
Reverse polarity protection
Short‑circuit protection
Overload protection
Spark‑free connection
IP65 weatherproof housing for safe outdoor use.
Can I charge the battery while it’s still connected to the vehicle?
Yes. ULTRACHARGE chargers are designed for in‑vehicle charging. Always follow vehicle manufacturer guidance and the instruction manual before use.
What does “multi‑stage charging” mean?
ULTRACHARGE uses:
A 9‑stage charging cycle for Lead Acid, AGM and Calcium batteries
A 7‑stage dedicated cycle for Lithium batteries
This ensures efficient charging, battery health optimisation and extended battery life.
What is Battery Repair Mode?
Battery Repair Mode applies a controlled charging algorithm that can help recover deeply discharged or sulphated batteries, where possible.
What is the Alternator Test function?
The Alternator Test helps diagnose vehicle charging system issues by checking whether the alternator is delivering the correct voltage to the battery.
What vehicles is the RSC1005 best suited for?
The RSC1005 is ideal for:
Motorcycles
Cars
Vans
Light Commercial Vehicles
Engines up to 3.0L.
How to I select Alternator Test function?
Press the main select button then press the alternator (engine icon) button once (not press and hold) to select.
Then follow the instruction on how to proceed with running an alternator test.
How do I select Battery Test function?
Press the main select button, then press and hold the alternator (engine icon) button for 4 seconds to activate.
Then follow the instruction on how to proceed with running an alternator test.
What voltage does the RSC1005 support?
6V and 12V batteries only
Not suitable for 24V vehicle systems.
What is the maximum charging capacity?
Up to 120Ah (charging)
Up to 160Ah (maintenance)
Is the RSC1005 supplied with accessories?
Yes. The RSC1005 includes:
Crocodile clips
O‑ring battery connectors
Carry/storage bag for easy transport and storage.
Can ULTRACHARGE be used outdoors?
Yes. Both chargers are IP65 rated, making them suitable for use in poor weather conditions when used correctly
What operating temperatures are supported?
ULTRACHARGE chargers operate within –20°C to +45°C, as specified in the instruction manual