Full Throttle FT438-U1 12V 35Ah High-Performance AGM Battery
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12V AGM Starting Battery from the Full Throttle Series, designed for high-cranking automotive, powersports, and utility applications.
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High Cranking Performance rated at 438 CCA, 525 CA/MCA, and 975 PHCA for reliable engine starts.
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35Ah Capacity (20-Hour Rate) with reserve capacity of 50 minutes @ 25A and 11 minutes @ 75A.
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Sealed AGM Construction featuring 9.4 mΩ internal resistance and 1332A short-circuit current.
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Group U1 Case with M6 + TP26 (SAE) terminals, ABS flame-resistant housing (UL94-HB), and 25.1 lb weight.
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Full Throttle FT438-U1 12V 35Ah High-Performance AGM Battery
The Fullriver FT438-U1 is a 12-volt AGM starting battery engineered for dependable high-cranking performance in compact automotive, powersports, and utility applications. As part of the Full Throttle Series, it delivers sealed, maintenance-free operation with consistent starting power.
This battery provides 438 cold cranking amps, 525 cranking amps (CA/MCA), and 975 pulse hot cranking amps, supporting reliable engine starts under demanding conditions. It delivers 35Ah at the 20-hour rate, with reserve capacity rated at 50 minutes at 25 amps and 11 minutes at 75 amps, allowing it to support auxiliary electrical loads when required.
Built using sealed AGM technology, the FT438-U1 features low internal resistance, a 1332-amp short-circuit current rating, and an ABS flame-resistant enclosure. The Group U1 footprint, M6 + TP26 terminal configuration, and compact dimensions make it suitable for lawn equipment, utility vehicles, powersports, and other applications where reliable starting power and sealed AGM construction are required.
FT438-U1 Specifications
- Model: FT438-U1
- Volts: 12V
- Design: AGM (High Cranking)
- Group Size: U1
- Cells: 6
- Terminal Type: M6 + TP26 (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: 9.4 mΩ
- Short Circuit Current: 1332 Amps
Capacity & Performance
- Amp-Hour @ 100 hr: 38 AH
- Amp-Hour @ 20 hr: 35 AH
- Amp-Hour @ 5 hr: 30 AH
- Cold Crank Amps (CCA): 438 Amps
- Marine Crank Amps (MCA / CA): 525 Amps
- Peak Hot Crank Amps (PHCA): 975 Amps
- Reserve Capacity (RC @ 25A): 50 Minutes
- Reserve Capacity (RC @ 75A): 11 Minutes
Physical Specifications
- Weight: 25.1 lbs (11.4 kg)
- Length: 7.72" (196 mm)
- Width: 5.16" (131 mm)
- Height (Incl. Terminals): 7.56" (192 mm)
Applications
- Lawn & garden equipment
- Small utility vehicles
- Light commercial equipment
- Marine auxiliary starting
- Applications requiring high cranking power in Group U1 format
| Width | 5.16 |
|---|---|
| Height | 7.56 |
| Length | 7.72 |
| Condition | New |
| Country of Manufacture | China |
| Brand | Fullriver |
| Warranty Life | See Warranty Terms |
| Chemistry | AGM |
| Output Voltage | 12 |
| Amperage 20 Hours | 35 |
| Rechargeable | Yes |
| CA | 525 |
| Terminal Type | M6 + TP26 (SAE) |
| Input Voltage | 12V |
| Input Voltage | 12V |
| Watts | W |
| Warranty | 3 Year Manufacturer Warranty |
| 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 |
