Full River Battery FT438 San Diego Batteries


If you are not sure what battery fits your application please contact us at 619-259-2098.

Order online most batteries ready within 2 business days. We will contact you to let you know your battery order is ready.

All batteries ordered are charged with even core exchange.
Bring your used battery when you pick up at the shop for an even exchange.
If you have no battery to exchange please contact us or leave a message when you order.

Core Exchange Price (Core Fee $20)

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  • 12-volts
  • U1 Group Size
  • 60 mins @ 25 amps
  • 11 mins @ 75 amps
  • 29 AH @ 5HR
  • 35 AH @ 20HR
  • 525 CA @ 32°C
  • 438 CCA @ 0°C
Cycling Capacity
20 hour rate 35 Amp Hours
Reserve Capacity
@ 25 Amps 60 minutes @ 75 Amps 11 minutes
Mechanical Specifications
Group Size U1
Terminal Type M6
Total Height 6.57″ (167 mm)
Height 6.57″ (167 mm)
Width 5.16″ (131 mm)
Length 7.72″ (196 mm)
Weight 26.7 lbs (12.1 kg)
Case Type ABS Plastic – Flame Res Rating UL94-HB
Discharge Table (Constant Current)
Time Amps Rate
20 hr 1.8 0.05 CA
10 hr 3.3 0.1 CA
8 hr 3.8 0.13 CA
5 hr 5.9 0.25 CA
3 hr 8.7 0.33 CA
2 hr 12.4 0.5 CA
1 hr 22.2 1 CA
Electrical Specifications
Nominal Voltage 12 Volt
Capacity @ 100 hour rate 39 AH
Capacity @ 20 hour rate 35 AH
Capacity @ 10 hour rate 32 AH
Capacity @ 5 hour rate 29 AH
CCA 438
CA or MCA 525
Short Circuit Current 1332 Amps
Internal Resistance 9.4m Ω
Charge Voltages
Battery Voltages
Charge Stage 12V 24V 36V 48V
Bulk 14.7 V 29.4 V 44.1 V 58.8 V
Absorption 14.7 V 29.4 V 44.1 V 58.8 V
Float 13.6 V 27.2 V 40.8 V 54.6 V
TC Factor: -4mV/°C/cell
Temperature Range Specifications
Condition Recommended Maximum
Storage -15°C to 50°C -40°C to 71°C
Operation -15°C to 40°C -40°C to 71°C
Charge with TC -15°C to 50°C -40°C to 71°C
Charge without TC 0°C to 40°C -15°C to 50°C
Terminal Torque Specifications
Terminal Type ft-lbs in-lbs Nm
AP | DT (AP) | M6 | M6M (stud) | TP07 (AP) | TP08 (AP) 4.2 – 6.0 50-70 5.6 – 7.9
FR45 6.0 – 7.5 70-90 7.9 – 10.1
M8 | LT 7.1 – 8.0 85-95 9.6 – 10.7
DT (stud) | M10M (stud) 9.2 – 10.4 110-125 12.2 – 14.0

At Fullriver, our engineers in the USA, Europe, and China have developed the highest quality VRLA technology on the market today. Unlike many battery producers, we control the entire manufacturing process. The grid casting, plate pasting, and final assembly are all done at our award-winning manufacturing facility. The importance of this cannot be overstated, as it ensures total quality control. In fact, we’ve earned a number of quality assurance certifications including; ISO9001, ISO14001, ISO18001, UL, CE and TUV for quality production systems. Today, our manufacturing facility covers 800,000 square feet, which produces a wide range of 2, 6, 8 and 12-volt batteries, in all BCI, DIN and JIS sizes.

Each Fullriver DC Series, Full Force, and Full Throttle batteries are designed to be deeply discharged and recharged hundreds of times. With the sealed, maintenance-free aspect of all our AGM batteries, you can simply “Set it” and Forget it”.

With a network of trusted distributors across the globe, you’ll always be able to find the right battery to fit your needs. From a true deep cycle battery to a superior starting/performance battery, you’ll never need to look elsewhere.

Our proven track record of providing a premier quality battery and excellent customer care, date to our inception in 1995. Being able to give you the peace of mind, using a sealed “Clean-Green” battery, which is not only safe for you but safe for our environment, proves it’s never been more clear… we are your Clean-Green Energy Solution.


Charging Instructions

Full River Installation Manual



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