Fullriver DC400-6 6V Deep Cycle AGM Battery.

Why You'll Love The Fullriver DC400-6

Real storage capacity for your system. At 415Ah on the 20-hour rate — and 460Ah at C100 — the Fullriver DC400-6 gives you a serious bank of usable energy, so your lights, fridge and essentials carry through the night and beyond.
Zero maintenance, ever. Sealed AGM construction means no watering, no topping up acid and no checking cells, so you wire it in once and get on with your life.
Safe to live alongside. It's spill-proof, non-hazardous and can be mounted in any direction except inverted, letting you put your bank where it suits your space rather than where the battery dictates.
Built to be drained and refilled, hundreds of times. Heavier plates and more lead than a starting battery mean it's engineered for the daily deep cycling an off-grid or solar bank actually demands.

Fullriver Battery 6V 415Ah Deep-Cycle L16 AGM Battery-DC400-6 is seen from above, displaying its flat blue lid and two sets of metal terminals on opposite corners

Your life, with the Fullriver DC400-6

There's a version of battery ownership nobody misses once it's gone. Topping up cells with distilled water. Checking each one. Worrying about acid fumes and spills in a space you actually live in.

The Fullriver DC400-6 leaves all of that behind. It's a fully sealed AGM battery, so once it's wired into your bank, the maintenance is done. No watering, no mess, no ongoing jobs on the list.

What you get instead is quiet, dependable storage. Your panels fill it through the day, and it carries your home, cabin or rig through the evening — day after day, season after season.

The build is where the difference really shows.

Fullriver uses jar-formed, high-density plates that go through a 10-day curing process, bonded to heavy-duty lead, calcium and tin grids. That's the kind of construction that delivers true deep-cycle life rather than starting-battery performance. A compressed, micro-porous glass mat separator keeps the electrolyte in firm contact with the plates, which also makes the DC400-6 highly resistant to shock and vibration — worth a lot if it's living in an RV or a boat.

The fire-retardant ABS case, cover resins and epoxy seals combine into a genuinely sealed, non-hazardous battery, approved by DOT, IATA, ICAO and IMDG for transport by land, sea and air.

Fullriver Battery 6V 415Ah Deep-Cycle L16 AGM Battery-DC400-6 is shown standing upright in bright blue with rope handles and metal terminals on top

The Fullriver DC400-6 in a nutshell:

415Ah at C20 (460Ah at C100) — substantial usable storage for solar, RV, marine and backup banks.
Sealed, maintenance-free AGM — no watering or acid checks for the life of the battery.
L16 group size with DTW terminals — a standard footprint that drops neatly into most established battery bank layouts.
1500 CCA and a shock-resistant build — strong current delivery that stands up to rough, mobile installations.

Fullriver DC400-6 specifications

Nominal Voltage

Capacity

C100: 460 Ah
C20: 415 Ah
C10: 374 Ah
C5: 340 Ah
C3: 282 Ah
C2: 246 Ah
C1: 232 Ah

CCA (Cold Cranking Amps)

1500 Amps

CA / MCA

1800 Amps

PHCA

2000 Amps

Internal Resistance

1.6 mΩ

Chemistry

Sealed AGM — maintenance-free and non-spillable

Group Size

L16

Terminal Type

DTW

Height (with terminal)

16.69 in / 424 mm

Height (case only)

15.9 in / 404 mm

Width

7.05 in / 179 mm

Length

11.61 in / 295 mm

Weight

123.2 lbs / 56 kg

Case Type

ABS plastic, fire-retardant

Transport Approvals

DOT, IATA, ICAO and IMDG approved for land, sea and air

Let the experts help you find your perfect deep cycle battery

Not sure how many Fullriver DC400-6 batteries you need, or how to wire them for a 12V, 24V or 48V bank? We're here to help you size it properly the first time.

Chat via Email — support@kratopower.com

Chat on the Phone — +1 (888) 855-7286

Fullriver DC400-6 documents and materials

Disclaimer: The information on this page is provided for general guidance only and should not be taken as professional, electrical or medical advice. The Fullriver DC400-6 is a heavy sealed lead-acid battery (123.2 lbs) and should be lifted, installed, wired and charged strictly in line with the manufacturer's instructions and your local codes. Use the correct charger settings and wiring for your bank, and consult a qualified electrician if you are unsure. Every situation is different, so if you have any doubt, please seek professional guidance before purchasing or installing. Products are used at your own risk.

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