OPTIMA RED TOP S 4,2 50Ah 815CCA
Powerful battery with fast startup, high vibration resistance, and a leak-proof design. Low self-discharge and ultra-fast recharge ensure reliable performance when you need it most.
Extreme Starting Battery for Demanding Applications
The OPTIMA RedTop RTS 4.2 is an advanced AGM spiral cell starting battery delivering high cranking power in a robust and compact design. Ideal for cars, boats, agricultural machinery, and generators requiring maximum reliability.
Delivers an impressive 815 CCA of cold cranking power and can be stored for extended periods at room temperature or lower, but must never drop below 12.6V.
Compact Powerhouse
The RedTop RTS 4.2 delivers quick and powerful bursts of starting power in the first seconds of ignition, ensuring reliable startups even for hard-to-start engines. Its stable voltage under load makes it perfect for demanding applications.
Thanks to its compact design, you get top performance where space and weight are critical.
Handles Vibrations and Tough Conditions
This battery offers much higher vibration resistance than standard starter batteries, making it ideal for heavy-duty use in demanding environments. Perfect for boats, construction equipment, and vehicles operating under extreme conditions.
Safe and Flexible Installation
The Optima RedTop is leak-proof and can be installed in multiple positions. Its maintenance-free design ensures easy operation without the need for fluid refills.
Benefits
- Powerful starting performance – fast ignition
- High vibration resistance
- Leak-proof and virtually spill-proof design
- Low self-discharge
- Fast recharge
Technical Specifications
| Property | Value |
|---|---|
| Series | OPTIMA RedTop |
| Model | RTS 4.2 / S 4.2 (BCI 34) |
| Voltage | 12 V |
| Capacity (C20) | 50 Ah |
| Cold Cranking Amps (CCA, EN) | 815 A |
| Reserve Capacity (RC) | 100 min |
| Technology | AGM spiral cell |
| Terminal Position | + left |
| Maintenance | Maintenance-free |
| Mounting | Can be mounted in multiple positions, leak-proof |
| Dimensions (L x W x H) | 254 x 175 x 195 mm |
| Weight | 17.2 kg |
| Item Number | RTS4.2 |
| Part Number | 289050 |
| Manufacturer Code | 802 250 000 888 2 |
Frequently Asked Questions (FAQ)
Can it be used as a deep-cycle battery?
No, the RedTop is optimized for starting power. For deeper cycling, dedicated deep-cycle or dual-purpose batteries are recommended.
Does it require maintenance?
No, the battery is maintenance-free. Keep the terminals clean and ensure proper fastening.
Do I need an AGM-compatible charger?
Yes, for optimal lifespan you should use a charger with AGM mode.
Can it be mounted sideways?
Yes, it can be installed at various angles thanks to its leak-proof design.
| Lengde | 254.0 mm |
| Bredde | 175.0 mm |
| Høyde | 195.0 mm |
| Vekt | 17.2 kg |
| Opprinnelsesland | Mexico |
| Kapasitet (Ah) | 50 Ah |
