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Full Throttle FT620-51 12V 55Ah High-Performance AGM Battery

In stock
SKU
FT620-51
  • 12V AGM Starting Battery from the Full Throttle Series, designed for high-cranking automotive and commercial applications.

  • Reliable Cranking Performance rated at 620 CCA, 745 CA/MCA, and 1300 PHCA for dependable engine starts.

  • 55Ah Capacity (20-Hour Rate) with reserve capacity of 100 minutes @ 25A and 19 minutes @ 75A.

  • Sealed AGM Construction featuring 7.2 mΩ internal resistance and 1729A short-circuit current.

  • Group 51 / 22NF Case with M8 + TP28 (SAE) terminals, ABS flame-resistant housing (UL94-HB), and 40.3 lb weight.

Special Price $319.99 Regular Price $399.99
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 Full Throttle FT620-51 12V 55Ah High-Performance AGM Battery

 

The Fullriver FT620-51 is a 12-volt AGM starting battery engineered for consistent high-cranking performance in automotive and commercial applications. As part of the Full Throttle Series, it delivers sealed, maintenance-free operation while providing dependable starting power.

This battery delivers 620 cold cranking amps, 745 cranking amps (CA/MCA), and 1300 pulse hot cranking amps, supporting reliable engine starts under demanding conditions. It provides 55Ah at the 20-hour rate, with reserve capacity rated at 100 minutes at 25 amps and 19 minutes at 75 amps, allowing it to support auxiliary electrical loads when required.

Built using sealed AGM technology, the FT620-51 features low internal resistance, a 1729-amp short-circuit current rating, and an ABS flame-resistant enclosure. The Group 51 (22NF) footprint, M8 + TP28 terminal configuration, and compact design make it suitable for vehicles and equipment requiring reliable starting performance, durability, and sealed AGM reliability.

FT610-47 Specifications

  • Model: FT620-51
  • Volts: 12V
  • Design: AGM (High Cranking)
  • Group Size: 51 / 22NF
  • Cells: 6
  • Terminal Type: M8 + TP28 (SAE)
  • Case Type: ABS Plastic – Flame Resistant (UL94-HB)
  • Warranty: See Warranty Terms

Charging Specifications

  • Charge / Absorption Voltage: 14.4–14.7 V
  • Float Voltage: 13.6 V
  • Temperature Compensation: −2 mV/°F/cell (−4 mV/°C/cell)
  • Internal Resistance: 7.2 mΩ
  • Short Circuit Current: 1729 Amps

Capacity & Performance

  • Amp-Hour @ 100 hr: 61 AH
  • Amp-Hour @ 20 hr: 55 AH
  • Amp-Hour @ 5 hr: 49 AH
  • Cold Crank Amps (CCA): 620 Amps
  • Marine Crank Amps (MCA / CA): 745 Amps
  • Peak Hot Crank Amps (PHCA): 1300 Amps
  • Reserve Capacity (RC @ 25A): 100 Minutes
  • Reserve Capacity (RC @ 75A): 19 Minutes

Physical Specifications

  • Weight: 40.3 lbs (18.3 kg)
  • Length: 9.02" (229 mm)
  • Width: 5.43" (138 mm)
  • Height (Incl. Terminals): 9.06" (230 mm)

Applications

  • High-performance automotive starting
  • Performance & racing vehicles
  • Off-road and 4×4 vehicles
  • Marine starting applications
  • Applications requiring high cranking power in Group 51 / 22NF format
More Information
Width 5.43
Height 9.06
Length 9.02
Condition New
Country of Manufacture China
Brand Fullriver
Warranty Life See Warranty Terms
Battery Size Group 47 (L2/H6)
Chemistry AGM
Output Voltage 12V
Amperage 20 Hours 55
Amperage 100 Hours 61
Rechargeable Yes
CA 745
Terminal Type M8 + TP28 (SAE)
Capacity 55Ah
Watts W
Warranty See Warranty Terms
Special Notes Before purchasing, please be advised that it is recommended to replace your original battery pack with that of the same chemistry. This battery may require a skilled installer or special tools to replace. For skilled end users only. This battery may require soldering and special tools to replace. For skilled end users only. Extended battery packs may require an extra cover that will accommodate its size.
Voltage V
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