Best Group 51 Battery in 2022 [*Top Picks*]

Looking for the best group 51 battery on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

4706 Reviews Scanned

  • ACDelco Gold B24R 24 Month Warranty Hybrid Vehicle AGM BCI Group 51 Battery
    Bestseller #1
    ACDelco Gold B24R 24 Month Warranty Hybrid Vehicle AGM BCI Group 51 Battery (1)
      Note: Refer a user manual before use Durable design protects against the worst enemy of a truck battery – road vibration (compared to standard flooded batteries) Calcium alloy is optimized to produce a fine grain, corrosion-resistant grid, maximize cycle life and minimizes water consumption for battery durability Fully charged ACDelco Batteries (OCV is >12.5) should be stored in an upright position at temperatures between 32°F and 70°F. When a battery is stored, a very slow chemical reaction takes place between the plate materials and the electrolyte, causing a slow discharge. This reaction, called a self-discharge, occurs more rapidly at higher temperatures. Therefore, it is not recommended to store next to a furnace or other heat source. If an ACDelco Battery is completely discharged, the electrolyte will freeze when stored below 30°F. To prevent electrolyte freezing and battery damage, do not store ACDelco Batteries below 30°F if their OCV is less than 12.5 volts. Check battery every 2 months and maintain a voltage of 12.4 volts or higher
  • ODYSSEY PC680 Battery, red top
    Bestseller #1
    ODYSSEY PC680 Battery, red top (386)
      170 CCA; Better warranty: Limited 2-year full replacement warranty, not pro rata; Longer service life: With 3-10 years of service life, ODYSSEY batteries save consumers time, money, and aggravation Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time Faster recharge: The highest recharge efficiency of any sealed lead battery on the market, capable of 100 percentage recharge in 4 - 6 hours; Mounting flexibility: Non-spillable design Vibration resistance- design protects against high impact shock and mechanical vibration; Extreme temperature tolerant This item is not for sale in Catalina Island "Item is Hazmat and non-returnable
  • ACDelco Gold 48AGM 36 Month Warranty AGM BCI Group 48 Battery, Black
    Bestseller #1
    ACDelco Gold 48AGM 36 Month Warranty AGM BCI Group 48 Battery, Black (386)
      High density negative paste, improves performance and increases battery life Enhanced life alloy or Silver Calcium stamped alloy increases cycle life and improves performance Calcium lead positive grid, maximizes conductivity and allows for low resistance Robust envelope separator with puncture resistant back, allows for increased acid circulation and prevents shorts. Improved acid circulation, helps the battery to remain cool, and extend battery life Vent cap design that resists acid leakage Battery comes with 7 year warranty
  • XS Power D3400 XS Series 12V 3,300 Amp AGM High Output Battery with M6 Terminal Bolt
    Bestseller #1
    XS Power D3400 XS Series 12V 3,300 Amp AGM High Output Battery with M6 Terminal Bolt (85)
      12 Volt Battery With Ca: 1000, Ah: 65 Absorbed Glass Mat (Electrolyte Is Suspended In Fiberglass) Spill Proof, Sealed, Valve Regulated And Vibration Resistant Ultra Low Internal Resistance, Mount In Almost Any Position
  • Optima Batteries OPT8022-091 8022-091 75/25 RedTop Starting Battery
    Bestseller #1
    Optima Batteries OPT8022-091 8022-091 75/25 RedTop Starting Battery (386)
      12-Volt, 720 Cold Cranking Amps, Size: 10 5/16" x 6 13/16" x 7 5/8" tall, Weight: 33.1 pounds, Dual SAE & GM Posts Reserve capacity of 90 minutes for constant performance Optimal starting power even in bad weather Fifteen times more resistant to vibration for durability This item is not for sale in Catalina Island
  • Optima Batteries OPT8002-002 34 RedTop Starting Battery
    Bestseller #1
    Optima Batteries OPT8002-002 34 RedTop Starting Battery (386)
      12-Volt, 800 Cold Cranking Amps, Size: 10" x 6 7/8" x 7 13/16" tall, Weight: 37.9 pounds, SAE Post. C20 Capacity: 50 Ah. CCA: 800 Amp Reserve capacity of 100 minutes for constant performance Optimal starting power even in bad weather; Case Material: Polypropylene Fifteen times more resistant to vibration for durability This item is not for sale in Catalina Island
  • Zooms 12V 200Ah LiFePO4 Battery Lithium Iron Phosphate Battery Deep Cycle Rechargeable Battery with Built-in 100A BMS, Perfect for RV, Camping, Boats, Off-Grid Systems, etc.
    Bestseller #1
    Zooms 12V 200Ah LiFePO4 Battery Lithium Iron Phosphate Battery Deep Cycle Rechargeable Battery with Built-in 100A BMS, Perfect for RV, Camping, Boats, Off-Grid Systems, etc. (131)
      【3 Times Usable Energy & 1/3 Lightweight】Zooms LiFePO4 battery can be recycled up to 4000~8000 times with 10 years of service life. The Grade A LiFePO4 Cells is with higher energy density and highest-level safety based on UL certificates for the cells. With the advantages of 1/3 lightweight, low self-discharge rate, and 3 times usable energy, Zooms LiFePO4 battery can perfectly replace the lead-acid battery. 【Strong 100A BMS Protection】 Zooms 200Ah LiFePO4 battery built-in 100A BMS, which supports 100A max. continuous charge/discharge current, 1280W max. Load power and 2560Wh max. energy. Equipped with exceptional quality 100A BMS can also limit the continuous charge/discharge current, our 200Ah LiFePO4 battery can better protect the battery performance and prolong the cycle times. We do 100% testing for all 200ah batteries before shipping them to you. 【40.96kWh Max. Energy】 Zooms 12V 200Ah LiFePO4 batteries can be connected in parallel or in series for larger capacity (Max.800Ah), and higher voltage(Max. 51.2V). The Max. energy is 40.96kWh, and Max. Load power is 20.48kWh, which is easy for you to operate the 12V lithium batteries at any time and anywhere. Zooms 200Ah battery is perfect for solar home systems and outdoors applications, such as home backup power, RV, camping, sailboat, etc. 【Multi ways to Recharge】 Zooms 200Ah LiFePO4 battery supports recharging by Solar panel, LiFePo4 DEDICATED battery charger with DC14.2V-14.6V and electric generator(recommend to add a DC-DC charger). Meanwhile, Zooms 200ah lifepo4 batteries is one of the types of lithium batteries that are environmentally protect our earth. 【5-year Warranty & 2-7 Days Delivery】 Zooms provides 2-7 working days delivery time with local CA warehouses, 24 hours quick response, 5-year warranty, and lifetime technical support for all 200Ah batteries. Buying Zooms batteries without any worry. We inject passion, integrity, respect, and professionalism into Zoom's batteries and business. And we hope that Zooms 200Ah lifepo4 battery not only power for you, but also bright your life with our excellent customer service.
  • ODYSSEY 31-PC2150S Heavy Duty Commercial Battery
    Bestseller #1
    ODYSSEY 31-PC2150S Heavy Duty Commercial Battery (386)
      Longer cycle life: 70 percentage longer cycle life compared to conventional deep cycle batteries, up to 400 cycles at 80 percentage depth of discharge- high stable voltage for longer periods of time
  • ACDelco Gold 94RAGM 36 Month Warranty AGM BCI Group 94R Battery
    Bestseller #1
    ACDelco Gold 94RAGM 36 Month Warranty AGM BCI Group 94R Battery (386)
      High density negative paste, improves performance and increases battery life Enhanced life alloy or Silver Calcium stamped alloy increases cycle life and improves performance Calcium Lead positive grid, maximizes conductivity and allows for low resistance Robust Envelope Separator with puncture-resistant back, allows for increased acid circulation and prevents shorts. Improved acid circulation, helps the battery to remain cool, and extend battery life Vent cap design that resists acid leakage Precision manufactured ribbed case that is 100% pressure tested, helps avoid future leaks and adds strength and rigidity 100% Electrical short tested to minimize early failures
  • ODYSSEY 65-PC1750T Automotive and LTV Battery
    Bestseller #1
    ODYSSEY 65-PC1750T Automotive and LTV Battery (684)
      Cold Crank Amp (CCA)- 950 Better warranty: Limited 3 and 4 year full replacement warranty - not pro rata Includes SAE Automotive terminals Mounting flexibility: Non-spill able design, vibration resistance- design protects against high impact shock and mechanical vibration Extreme temperature tolerant- Operating temperatures from -40 degree Celsius (-40 degree Fahrenheit) to 45 degree Celsius (113 degree Fahrenheit). This item is not for sale in Catalina Island Fit type: Universal Fit
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