The VEVOR Split Charge Relay Kit is a compact, IP65-rated device for dual-battery systems, designed to automatically connect at 13.3V and disconnect at 12.8V. It suits RVs, boats, and off-road vehicles, includes mounting hardware, screws, and terminals, and measures roughly 85 × 55 × 35 mm. How easy is installation, what wiring gauge is needed, and does it handle sustained high currents? More specifics follow.
Key Takeaways
- Compact, IP65-rated VEVOR relay kit is durable and suitable for vehicles, boats, RVs, and off-road use.
- Automatic VSR engages at 13.3V and disconnects at 12.8V, supporting simultaneous charging and battery isolation.
- 140A rating handles high current; mount within 2–3 feet of batteries and fuse per instructions.
- Includes full accessories and clear instructions; installation straightforward with proper cable gauge and secure grounding.
- Users report reliable performance, good value, and effective operation in varied marine and off-road conditions.
Key Features and Specifications
One compact unit combines several practical functions for dual-battery systems, making the VEVOR Split Charge Relay Kit a straightforward choice for vehicles and marine use.
One compact unit combines multiple smart functions for dual-battery systems, ideal for vehicles and marine use.
It offers smart functionality: automatic VSR, activates at 13.3V, deactivates at 12.8V, 140A rating.
What size is it? 2.66 x 2.11 x 2.66 inches, IP65 waterproof, shockproof, dustproof.
Who uses it? RVs, caravans, boats, 4x4s, ATVs.
What’s included? Complete accessories and instructions.
Practical considerations: mounting location, cable length, vibration resistance.
Benefits: simultaneous charging, battery isolation when off, preserves primary battery charge.
Compact design supports tight installations.
Installation and Performance Experience
Although the relay kit is compact and user-friendly, installers should plan the layout carefully to guarantee reliable performance and ease of access.
The reviewer notes clear installation tips: mount within 2–3 feet of batteries, use 6mm² cable for runs under 6 mtr, and secure relay to a grounded chassis point.
Performance evaluation showed automatic activation at 13.3 V and isolation at 12.8 V, charging both batteries effectively without manual intervention.
- Mounting position, cable gauge, and fuse placement matter.
- Check voltage sense lead routing and corrosion protection.
- Verify connections with a multimeter after initial run.
Durability, Compatibility, and Value
Durability and practical compatibility are strong points for this VEVOR Split Charge Relay Kit: the unit’s IP65 rating, shockproof plastic housing, and compact dimensions (2.66 x 2.11 x 2.66 inches) make it suitable for dusty, wet, and vibration-heavy environments such as off-road vehicles, boats, and camper vans.
The reviewer notes weather resistance, solid material quality, and ruggedness for liberation-minded travelers seeking dependable gear.
What fits? RVs, caravans, yachts, ATVs, trucks.
How reliable? Rated IP65, designed for extreme vibration.
Value assessment: includes full accessories, easy install, 140A VSR, and reasonable cost considering versatility and build quality.
Frequently Asked Questions
Will This Relay Work With Lithium (Lifepo4) Batteries?
Yes — it can work with LiFePO4 when settings and BMS coordination are guaranteed. The reply emphasizes lithium compatibility and proper battery management, urging users to liberate themselves from charging risk through appropriate BMS and voltage thresholds.
Can I Add a Solar Panel to Charge the Auxiliary Battery?
As luck would have it, yes: the relay permits solar panel compatibility for auxiliary battery charging, though a proper solar charge controller and wiring are required; this empowers users to break free from shore power reliance and roam confidently.
Does the Kit Include a Fuse or Circuit Breaker?
No — it does not include a fuse or circuit breaker. The liberated user is advised to select appropriate fuse types and circuit ratings for their setup, empowering safe installation and independent protection choices.
Is the Relay Suitable for Cold-Weather Starting Assistance?
Like a steadfast torch in blizzard, it aids cold weather performance by keeping the starter battery charged; the relay supports improved starting efficiency and reliable liberation from stalled starts, empowering independent travel and rugged self-reliance.
Can I Mount the Relay Inside a Sealed Battery Box?
Yes. He affirms relay installation tips: mount the relay inside a sealed battery box is acceptable if ventilation, heat dissipation, secure mounting, and accessible wiring are guaranteed. Sealed battery considerations demand corrosion protection and service access for liberation.
Conclusion
The VEVOR Split Charge Relay Kit delivers a compact, IP65-rated solution for dual-battery systems, activating at 13.3V and disconnecting at 12.8V for controlled charging. Installation typically takes 20–40 minutes with the included hardware; run 6–10 mm² (10–8 AWG) cables for up to 100 A continuous load. Is it worth it? For users needing reliable, weatherproof battery management—RV, marine, or off-road—the kit is a practical, cost-effective choice with measurable, predictable performance.
