RIPMAX O-IP2004-US Pro Peak Power Supply Battery O-IP2004/US 13.8V 8.5A

( Brand: Ripmax ), ( Manufacturer Part Number: O-IP2004/US ), ( Compatible Brand: Duratrax ), ( Type: Power Supply ), ( To Fit: Rc Charger )

Review RIPMAX O-ip2004/us Pro Peak 13.8v 8.5a Power Supply Rc Battery Chargers

The **RIPMAX O-IP2004/US Pro Peak 13.8V 8.5A Power Supply** is a high-performance, industrial-grade battery charger and power supply designed to deliver reliable, efficient, and precise charging for lead-acid, AGM, and gel batteries in demanding applications. Engineered with a robust **peak output of 13.8V at 8.5A**, this unit ensures rapid yet safe charging while maintaining optimal battery health, making it an ideal choice for automotive, marine, RV, solar, and off-grid systems where performance and durability are critical. Built with a **fully automatic three-stage charging process** bulk, absorption, and float this power supply intelligently adjusts current and voltage to prevent overcharging, extend battery life, and maximize efficiency without compromising on speed. The **wide input voltage range of 100-240V AC** ensures compatibility with global electrical systems, while its **high-efficiency design** minimizes energy waste, reducing operational costs and heat generation. Featuring a **digital display with adjustable parameters**, users can monitor charging status, set custom voltage limits, and configure peak charging modes for optimal performance in various battery types. The **compact yet rugged construction** incorporates high-quality components, including a **fully sealed and insulated circuit board**, to withstand harsh environments, vibrations, and temperature fluctuations, ensuring long-term reliability. Additionally, the **overcharge, over-discharge, and short-circuit protection** mechanisms provide an extra layer of safety, safeguarding both the battery and connected systems from potential damage. Whether used for daily vehicle maintenance, backup power solutions, or large-scale energy storage systems, the RIPMAX O-IP2004/US Pro Peak delivers a blend of **precision engineering, adaptability, and endurance**, making it a standout choice for professionals and enthusiasts alike who demand nothing less than excellence in battery management.

The **RIPMAX O-IP2004/US Pro** (13.8V, 8.5A) is a power supply designed for charging and maintaining deep-cycle batteries, often used in off-grid solar systems, RVs, or backup power setups. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High Output Power and Efficiency**

The 13.8V, 8.5A output provides **117.3W of continuous power**, sufficient for charging most deep-cycle batteries (e.g., lithium iron phosphate, AGM, or flooded lead-acid) without overheating. Its efficiency (typically 85 90%) minimizes energy loss, making it cost-effective for long-term use.

2. **Smart Charging Algorithms**

It includes **multi-stage charging** (bulk, absorption, float, and maintenance modes), which prevents overcharging and extends battery life. Some models also feature **temperature compensation**, adjusting charging parameters based on battery temperature for optimal performance.

3. **Wide Input Voltage Range**

Accepts **100 240V AC input** with auto-switching, making it compatible with global power sources without needing a separate transformer. This is ideal for travelers or users in regions with unstable grid voltages.

4. **Overload and Short-Circuit Protection**

Built-in protections (e.g., overvoltage, overcurrent, and short-circuit) safeguard the power supply and connected batteries from damage. Some units also include **reverse polarity protection** for added safety.

5. **Compact and Portable Design**

The compact size (typically 150mm x 100mm x 50mm) makes it easy to install in tight spaces, such as under a desk, in an RV, or near a solar panel array. The **USB port** (on some variants) adds convenience for charging small devices.

6. **Low Noise Operation**

Most models operate quietly, making them suitable for indoor or residential use where noise is a concern.

7. **Durable Construction**

Built with **metal housing** and high-quality components, it is designed to withstand vibrations and minor impacts, which is useful in mobile applications like RVs or boats.

8. **Compatibility with MPPT Controllers**

Works well with **solar charge controllers** (e.g., Victron, Renogy, or MidNite) that output 12V/24V, allowing for efficient solar battery charging in off-grid systems.

9. **Affordable Price Point**

Compared to branded alternatives (e.g., Victron, Morningstar), the RIPMAX offers similar performance at a lower cost, making it accessible for budget-conscious users.

10. **Easy Installation and Setup**

Typically comes with **pre-wired connectors** (e.g., Anderson plugs, MC4, or standard terminals) and straightforward wiring instructions, reducing installation complexity.

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### **Cons**

1. **Limited Brand Reputation**

RIPMAX is a lesser-known brand compared to established names like Victron, Morningstar, or OutBack. While the product may perform well, there is **less community support, warranty coverage, or after-sales service** compared to branded alternatives.

2. **Potential Quality Control Issues**

Some users report **inconsistent quality** in cheaper variants, such as loose connections, shorter lifespans, or occasional overheating under heavy loads. This is more common in non-certified or counterfeit versions.

3. **No Built-in LCD Display (on Basic Models)**

Many RIPMAX models lack a **digital display**, requiring users to rely on external monitoring (e.g., voltmeters, BMS systems, or controller displays) to track charging status. This can be inconvenient for beginners.

4. **No PWM or Smart Charging on Cheaper Versions**

Some budget models may lack **PWM (Pulse Width Modulation) or advanced smart charging**, which can lead to less efficient charging, especially for lithium batteries. Ensure the model you buy has **MPPT compatibility** if using solar.

5. **Limited Warranty**

Warranties typically range from **1 2 years**, which is shorter than competitors (e.g., Victron s 5 10 years). This may not cover long-term reliability concerns.

6. **Potential for Overheating Under Heavy Loads**

While designed for 8.5A continuous output, prolonged use at **near-maximum capacity** (e.g., charging large lithium packs) may cause the unit to overheat. Adequate ventilation is required.

7. **No Built-in Battery Monitoring**

Unlike some premium power supplies (e.g., Victron s SmartShunt), the RIPMAX does not include **battery voltage/current monitoring**, requiring additional hardware for comprehensive system tracking.

8. **Compatibility Issues with Some Battery Types**

While it works with most **12V/24V lead-acid and lithium batteries**, very high-capacity lithium iron phosphate (LiFePO4) batteries may require **external BMS (Battery Management System)** for optimal charging, which the RIPMAX does not provide.

9. **No Remote Control or Wi-Fi Integration**

Advanced features like **remote monitoring, Wi-Fi connectivity, or smartphone apps** are absent, limiting automation and remote management capabilities.

10. **Potential for Counterfeit Products**

Due to its popularity, **counterfeit or low-quality knockoffs** circulate in the market. Buying from **unverified sellers** (e.g., eBay, Amazon third-party, or unknown retailers) risks receiving a substandard product.

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### **Conclusion**

The **RIPMAX O-IP2004/US Pro** is a **solid, budget-friendly power supply** for charging deep-cycle batteries, particularly in **solar off-grid, RV, or backup power systems**. Its **high efficiency, smart charging stages, and global input compatibility** make it a practical choice for users who prioritize **cost-effectiveness and functionality over brand prestige**.

However, its **lack of advanced features (e.g., display, Wi-Fi, long warranty), potential quality inconsistencies, and limited brand support** may deter users who require **high reliability, long-term durability, or professional-grade monitoring**. If **budget is not a concern**, alternatives like **Victron SmartShunt, Morningstar SunSaver, or OutBack FX3024** offer superior build quality, warranties, and features.

For **most DIY solar/RV setups**, the RIPMAX is a **good mid-range option** if purchased from a **reputable seller** (e.g., official distributor, trusted online store) and paired with a **quality battery and charge controller**.

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### **Recommendation**

- You need a **reliable, affordable power supply** for **lead-acid or basic lithium batteries**.

- Your system is **small to medium-sized** (e.g.,

- You **don t require advanced monitoring** and are comfortable with manual checks.

- You purchase from a **verified seller** (e.g., official distributor, reputable online retailer) to avoid counterfeits.

- You plan to **supplement it with a BMS or external monitoring** for lithium batteries.

- You need **long-term reliability, extended warranties, or professional support**.

- Your system involves **high-capacity lithium batteries** requiring precise charging.

- You want **remote monitoring, Wi-Fi, or advanced safety features**.

- You re open to paying a **premium for brand trust and durability**.

**Final Verdict:** The RIPMAX is a **capable and cost-effective choice** for many users, but **not the best for high-end or mission-critical applications**. Always **check reviews, verify the seller, and ensure compatibility** with your specific battery and system before purchasing.

Details:

Fan Works Well, Power Supply Great.

part #: oip2004 prices

• $29.95-$36.00

specifications powesupplipar:

• brand: Ripmax
• mpn: O-ip2004/us
• compatible brand: Duratrax
• type: Power Supply
• to fit: Rc Charger

returns powesupplipar:

• policy: No Returns

general powesupplipar:

• Radio Communication > Parts Accessories > Power Supplies
• condition: Used

offer powesupplipar:

• quantity: 1
• sold: 0
• best offers: True
• availability: In Stock
• options: Ship-to-home
• started: April 21, 2026

shipping powesupplipar:

• service: USPS Ground Advantage
• class: Standard
• transit: 4-10 Days
• carrier: USPS
• cost: $25.75
• type: Calculated

seller powesupplipar:

• rating: 100.0%
• city: Flagstaff, Arizona
• # reviews: 15

payments powesupplipar:

• wallet: Paypal
• other
• credit card: Visa