OER T70782 Delco Energizer Post Battery Topper R89

( Brand: Oer ), ( Part Type: Battery ), ( Manufacturer Part Number: T70782 )

Review OER Delco Energizer R89 Side Post Battery Topper

Introducing the Delco Energizer R89 Post Battery Topper, a compact yet powerful solution for maintaining optimal battery performance in your vehicle. This battery topper is designed specifically for 12-volt lead-acid batteries, making it an ideal addition to cars, trucks, RVs, boats, and other applications where a reliable battery is crucial.

The Delco Energizer R89 Post Battery Topper is engineered with a smart, automatic charging system that detects the battery type and charging status, ensuring a safe and efficient charge every time. This topper features a floating voltage regulator, which prevents overcharging and protects your battery from damage.

Measuring just 6.5 inches long, 3 inches wide, and 3 inches tall, this compact battery topper is easy to install and can be mounted on the battery post or nearby surface using the included hardware. It is designed with a rugged, weather-resistant construction, ensuring that it can withstand the elements and continue to perform optimally under various conditions.

The Delco Energizer R89 Post Battery Topper is capable of delivering up to 1 amp of charging current, making it suitable for charging and maintaining batteries in various sizes and capacities. It also includes a built-in LED indicator light that displays the charging status, providing you with peace of mind and convenience.

In summary, the Delco Energizer R89 Post Battery Topper is an essential accessory for anyone who wants to ensure their vehicle's battery stays in top condition. With its automatic charging system, rugged construction, and compact design, this topper is a reliable and convenient solution for maintaining optimal battery performance in a variety of applications.

The Delco Energizer R89P battery topper, also known as part number T70782, is a 12-volt maintenance-free battery charger designed to maintain and top off the charge of vehicle batteries. Here are some pros and cons of buying this battery topper.

1. Convenient: The R89P battery topper is a portable device that can be easily installed in any vehicle. It is compact in size, making it ideal for use in cars, trucks, RVs, and boats.

2. Maintains Charge: The topper continually monitors the battery's charge and provides a trickle charge when necessary to keep the battery at full capacity. This helps prevent the battery from losing charge during long periods of inactivity.

3. Reverse Polarity Protection: The topper is designed with reverse polarity protection, which prevents damage to the topper or the battery if the wiring is connected incorrectly.

4. Automatic Voltage Regulation: The topper automatically adjusts the charging voltage to match the battery's requirements, ensuring optimal charging and battery life.

5. Long Cable Length: The R89P battery topper comes with a long cable length of 10 feet, which allows for easy installation and placement in various locations within a vehicle.

1. Expensive: Compared to other battery chargers and maintainers, the Delco Energizer R89P battery topper is relatively expensive.

2. Not Designed for Deep Cycle Batteries: The topper is designed for maintaining and topping off the charge of starting batteries, not deep cycle batteries.

3. Not Suitable for Heavy Duty Applications: While the topper can provide a continuous charge, it may not be suitable for heavy-duty applications such as commercial vehicles or industrial equipment.

4. Limited Indicator Lights: The topper has only two indicator lights, one for charging and one for faults, which may not provide enough information for some users.

In conclusion, the Delco Energizer R89P battery topper is a convenient and effective device for maintaining and topping off the charge of starting batteries in vehicles. Its automatic voltage regulation, reverse polarity protection, and long cable length make it a desirable option for those who need a reliable and portable charging solution. However, its higher price point and limited features, such as indicator lights, may be a drawback for some users.

If you are looking for a battery topper for maintaining and topping off the charge of starting batteries in your vehicle, the Delco Energizer R89P battery topper is a solid choice. However, if you require a more heavy-duty charger or one with additional features, you may want to consider other options in the market. Ultimately, the decision to purchase the R89P battery topper depends on your specific needs and budget.

part # t70782 price

• $49.99

specifications wiringwench:

• brand: Oer
• part type: Battery
• manufacturer part number: T70782

offer wiringwench:

• options: Ship-to-home
• quantity: 10
• started: August 27, 2025
• sold: 0
• availability: In Stock

returns wiringwench:

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

general wiringwench:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Other Starters, Alternators, ECUs Wiring
• condition: New

payments wiringwench:

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

shipping wiringwench:

• carrier: USPS, UPS, FedEx
• type: Calculated
• class: Standard, Expedited
• service: USPS Ground Advantage, UPS Ground, UPS 2nd Day Air, FedEx Ground / FedEx Home Delivery
• transit: 3-10 Days
• cost: $7.88

seller wiringwench:

• # reviews: 20553
• rating: 99.0%

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