Fullriver

Fullriver DCG120-12A · Motorhome battery 12V 120Ah

Reference: BOL-FULLRIVER-DCG120-12A

Fullriver DCG120-12A: motorhome battery with 12 V and 120 Ah, measuring 341 × 172 × 283 mm.

The Fullriver DCG120-12A at a glance

The Fullriver DCG120-12A is a leisure battery for motorhomes and caravans: it powers fridge, lights, water pump and heating for days without starting the engine. Unlike the starter battery, it takes slow, deep discharges night after night.

The DCG120-12A belongs to the Fullriver DCG Series range. See all Fullriver batteries

Equivalents and alternatives to the Fullriver DCG120-12A

Other AGM batteries that fit the DCG120-12A's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Fulbat FDC12-145 AGMAGM122 Ah340 × 172 × 286

Fullriver DCG120-12A vs DCG100-12-30H and DCG135-12: differences

What sets the DCG120-12A apart from its neighbours in the Fullriver range:

ModelCapacityDimensions (mm)Weight
Fullriver DCG120-12A (this one)120 Ah341 × 172 × 28338.6 kg
Fullriver DCG100-12-30H100 Ah329 × 171 × 24731.7 kg
Fullriver DCG135-12135 Ah482 × 170 × 22942.5 kg
  • Fullriver DCG100-12-30H: 20 Ah less, a different case (329 × 171 × 247 mm).
  • Fullriver DCG135-12: 15 Ah more, a different case (482 × 170 × 229 mm).

AGM technology in the DCG120-12A

The DCG120-12A is AGM: the electrolyte is absorbed in glass fibre mats, so it is sealed and spill-proof. It withstands many more cycles than a conventional lead battery, at the cost of being more sensitive to overcharging.

Check this before ordering the Fullriver DCG120-12A

  • The DCG120-12A needs 341 × 172 × 283 mm of space: measure it with the hold-down clamp in place.
  • Your current battery should say about 120 Ah; a little more is also fine.

Part numbers and codes for the Fullriver DCG120-12A

The DCG120-12A is listed under these codes on labels, in garages and in catalogues:

Commercial referenceDCG120-12A
Terminal typeAP
Not to be confused withFullriver DCG120-12B (120 Ah), Fullriver DC120-12A (120 Ah, 750 A)

Frequently asked questions about the Fullriver DCG120-12A

DCG120-12A or DCG100-12-30H: which one suits me?

Compared with the DCG120-12A, the Fullriver DCG100-12-30H has 20 Ah less. With 120 Ah, the DCG120-12A runs longer between charges than the DCG100-12-30H (100 Ah). Mind the space: the DCG100-12-30H measures 329 × 171 × 247 mm.

How much does the Fullriver DCG120-12A weigh?

38.6 kg, with 120 Ah of capacity. For reference, the Fullriver DCG100-12-30H (100 Ah) weighs 31.7 kg.

Which battery is equivalent to the Fullriver DCG120-12A?

Only other AGM batteries with its dimensions and polarity: Fulbat FDC12-145 AGM. Neither an EFB nor a conventional battery replaces the DCG120-12A.

Which charger does the Fullriver DCG120-12A need?

A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair.

Other options if you are unsure about the DCG120-12A

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