Fullriver DC55-12 12V 55Ah Deep Cycle AGM Battery
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12V AGM Deep-Cycle Battery from the Fullriver Premium Deep Cycle Series, designed for repetitive cycling and long-duration energy storage.
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55Ah Capacity (20-Hour Rate) with additional ratings of 61Ah (C100), 50Ah (C10), and 45Ah (C5) for flexible discharge profiles.
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Reserve Capacity rated at 96 minutes @ 25A and 21 minutes @ 75A for sustained power delivery.
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High Discharge Capability rated at 400 CCA, 480 CA/MCA, 825 HPCA, with 8.0 mΩ internal resistance.
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Group 22NF ABS Case with M6 terminals, flame-resistant UL94-HB housing, and 38.8 lb weight.
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Fullriver DC55-12 12V 55Ah Deep Cycle AGM Battery
NOTICE: Purchase may be subject to CORE FEES. Please message us for details.
The Fullriver DC55-12 is a 12-volt AGM deep-cycle battery engineered for applications that require dependable cycling performance and sealed, maintenance-free operation. As part of the Premium Deep Cycle Series, it is designed to support repetitive charge and discharge use while delivering consistent output.
This battery delivers 55Ah at the 20-hour rate, with extended capacity ratings of 61Ah at C100, 50Ah at C10, and 45Ah at C5, allowing it to perform reliably across a range of discharge conditions. Its reserve capacity of 96 minutes at 25 amps and 21 minutes at 75 amps supports moderate-duration loads in deep-cycle applications.
Built using sealed AGM technology, the DC55-12 features low internal resistance (8.0 mΩ) and strong discharge capability, including 400 CCA, 480 CA/MCA, and 825 HPCA. It is housed in a flame-resistant ABS Group 22NF enclosure with M6 terminals, providing durability, safety, and reliable deep-cycle performance for mobility, backup power, and energy storage applications.
DC55-12 Specifications
- Series: Premium Deep Cycle AGM
- Model: DC55-12
- Volts: 12V
- Design: AGM (Deep Cycle)
- Group Size: 22NF
- Cells: 6
- Terminal Type: M6
- Case Type: ABS Plastic – Flame Resistant (UL94-HB)
- Warranty: See Warranty Terms
Charging Specifications
- Charge / Absorption Voltage: 14.7 V
- Float Voltage: 13.6 V
- Temperature Compensation: −2 mV/°F/cell (−4 mV/°C/cell)
- Internal Resistance: 8.0 mΩ
Capacity & Performance
- Amp-Hour @ 100 hr (C100): 61 AH
- Amp-Hour @ 20 hr (C20): 55 AH
- Amp-Hour @ 10 hr (C10): 50 AH
- Amp-Hour @ 5 hr (C5): 45 AH
- Cold Crank Amps (CCA): 400 Amps
- Marine Crank Amps (MCA / CA): 480 Amps
- Peak Hot Crank Amps (PHCA): 825 Amps
- Reserve Capacity (RC @ 25A): 96 Minutes
- Reserve Capacity (RC @ 75A): 21 Minutes
Physical Specifications
- Weight: 38.8 lbs (17.6 kg)
- Length: 9.02" (229 mm)
- Width: 5.43" (138 mm)
- Height (Incl. Terminals): 8.35" (212 mm)
Applications
- Deep-cycle energy storage
- Solar and renewable energy systems
- Marine house banks
- RV and off-grid power systems
- Light commercial deep-cycle applications
| Width | 5.43 |
|---|---|
| Height | 8.35 |
| Length | 9.02 |
| Condition | New |
| Country of Manufacture | China |
| Brand | Fullriver |
| Warranty Life | See Warranty Terms |
| Battery Size | Group 22NF |
| Chemistry | AGM |
| Output Voltage | 12 |
| Amperage (mAh) | 55 |
| Amperage 20 Hours | 55 |
| Amperage 100 Hours | 61 |
| Rechargeable | Yes |
| CA | 480 |
| Terminal Type | M6 Terminal |
| Input Voltage | 12V |
| Input Voltage | 12V |
| 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 | 12V |
