ELECTROSPORT ESR851-CL77 Regulator Rectifier Regulator/rectifier

( Brand: Electrosport ), ( Type: Regulator ), ( Manufacturer Part Number: ESR851-CL77 ), ( Machine Type: Street Motorcycle )

Review ELECTROSPORT Regulator/rectifier

The Electrosport ESR851-CL77 is a high-performance voltage regulator/rectifier specifically designed for motorcycle and scooter applications. This compact and robust device is ideal for charging 12V batteries and powering electronic accessories in your vehicle.

The ESR851-CL77 features a state-of-the-art microprocessor-controlled design, which ensures precise and stable voltage regulation, even under various loading conditions. It can deliver up to 8.5 Amps of continuous output current and up to 11 Amps of peak output current, making it suitable for charging most motorcycle batteries efficiently.

This regulator/rectifier comes with an integrated temperature sensor, which helps maintain the optimal operating temperature of the charging system. It also provides short-circuit protection, reverse polarity protection, and overcurrent protection, ensuring the safety of your electrical components and battery.

The ESR851-CL77 is designed with a compact and rugged housing, which offers excellent protection against vibration, shock, and harsh weather conditions. It is also sealed against moisture and dust, making it an ideal choice for off-road or extreme riding conditions.

Installation of the ESR851-CL77 is straightforward, thanks to its plug-and-play design. It includes a 3-foot long 10-gauge wiring harness with terminals, which simplifies the connection process. The regulator/rectifier is compatible with most motorcycle and scooter charging systems and can be used as a direct replacement for OEM regulators.

In summary, the Electrosport ESR851-CL77 is a reliable and powerful voltage regulator/rectifier that offers precise voltage regulation, robust protection, and easy installation for motorcycle and scooter applications. It is perfect for charging batteries and powering electronic accessories in various riding conditions, making it an essential accessory for any motorcycle or scooter enthusiast.

The Electrosport ESR851-CL77 is a regulator/rectifier designed for charging and maintaining 12-volt batteries in various types of vehicles, including RVs, boats, and cars. Here are some pros and cons that might help you make an informed decision about purchasing this product.

1. Wide Input Voltage Range: The ESR851-CL77 can handle input voltages from 9 to 32 volts, making it suitable for various charging sources such as alternators, solar panels, and shore power.

2. Adjustable Output Voltage: With an adjustable output voltage range of 12.2 to 14.6 volts, this regulator/rectifier can be set to match the specific requirements of different battery types.

3. Reverse Polarity Protection: This regulator/rectifier has built-in reverse polarity protection, which prevents damage to the battery or the regulator/rectifier itself due to incorrect connection.

4. Overvoltage Protection: The ESR851-CL77 has an overvoltage protection feature that shuts off the charging process when the battery voltage reaches a certain level, preventing overcharging.

5. Temperature Compensation: The regulator/rectifier includes temperature compensation, which adjusts the charging rate based on the ambient temperature to ensure optimal battery charging.

1. Size and Weight: The ESR851-CL77 is larger and heavier than some other similar products, which may make it less ideal for applications where space and weight are a concern.

2. Complex Installation: Installing this regulator/rectifier may require more time and effort than some other models due to its adjustable features and multiple terminals.

3. Price: The ESR851-CL77 is more expensive than some other charging regulators/rectifiers on the market.

The Electrosport ESR851-CL77 regulator/rectifier offers several advantages, including a wide input voltage range, adjustable output voltage, reverse polarity protection, overvoltage protection, and temperature compensation. However, it also comes with some disadvantages, such as its larger size and weight, complex installation, and higher price point.

If you are looking for a simple, budget-friendly charging solution, this regulator/rectifier may not be the best choice for you. However, if you require a versatile and robust charging system that can handle various charging sources and battery types, the Electrosport ESR851-CL77 could be a worthwhile investment.

If you are in the market for a high-quality, versatile charging regulator/rectifier, the Electrosport ESR851-CL77 is a solid option to consider. Its advanced features and robust design make it a reliable choice for charging and maintaining batteries in various types of vehicles. However, be prepared for a more complex installation process and a higher price tag compared to some other models.

Details:

Designed to be a plug-in replacement. Part and fits in the same location. This regulator / rectifier has the same housing shape as.E. Detailed Specifications: This Super Heavy Duty regulator / rectifier was designed specifically for American Twins.

It is capable of handling up to 50 Amps alternator output all while keeping internal and external temperature down. Electrosport Regulator/Rectifier ESR851-CL77: A high quality regulator / rectifier which replaces.E.M. Output voltage is controlled tightly resulting in a nice and stable charge rate for your battery. Extra heavy-duty regulator circuit.

All regulator / rectifiers come with a full one-year warranty. Efficient heat sink dissipates the quickly and efficiently making for a very reliable unit.

part #: esr851cl77 prices

• $81.99-$111.60

specifications rightrectifier:

• brand: Electrosport
• type: Regulator
• manufacturer part number: ESR851-CL77
• machine type: Street Motorcycle

seller rightrectifier:

• rating: 99.4%
• city: Christiansburg, Virginia
• # reviews: 14793

general rightrectifier:

• condition: New other see details
• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Voltage Regulators Rectifiers

offer rightrectifier:

• availability: In Stock
• started: August 27, 2025
• options: Ship-to-home
• sold: 0
• quantity: 1

returns rightrectifier:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

payments rightrectifier:

• wallet: Google-pay
• credit card: Discover
• other

shipping rightrectifier:

• service: Economy, Expedited
• type: Fixed
• transit: 3-9 Days
• cost: $5.95
• class: Economy, Expedited

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