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Fulbat FP6-4 · Stationary UPS battery 6V 4Ah AGM

Specifications

BrandFULBAT
Part numberFP6-4
Voltage (V)6V
Capacity (C20)4Ah
TechnologyAGM
Length70mm
Width47mm
Height106mm
Terminal typeFASTON-4.8
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Fulbat FP6-4 6V 4Ah is a stationary battery for backup power systems: UPS, alarms, telecom and emergency lighting. Long float-life under permanent charge and instant response to mains outages with no noticeable voltage drop.

Why this stationary battery?

  • Instant responsewhen the mains drop, no voltage dip
  • Long life under 24/7 chargeoptimised for permanent service
  • Compatible with your systemexisting UPS units and alarm control panels
Voltage
6 V
Capacity
4 Ah C20
Dimensions
70×47×106 mm
Technology
AGM
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Stationary battery Fulbat FP6-4 4Ah 6V

6VVoltage
4AhCapacity

The 6 V, 4 Ah Fulbat FP6-4 stationary battery with AGM technology is designed for UPS, alarms, telecoms and emergency lighting. Measuring 70 × 47 × 106 mm, it is the direct replacement for UPS, alarm and emergency systems fitted from the factory with a 4 Ah battery of this format.

  • Low self-discharge and high reliability.
  • Standard format for UPS and emergency systems.
  • AGM: faster recharging and better cycle resistance than a conventional battery.
  • Instant response to mains failures.

What the Fulbat FP6-4 is for

Designed for UPS, alarms, telecoms and emergency lighting, the Fulbat FP6-4 is sealed, gas-free and suitable for technical cabinets and offices. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has FASTON-4.8 terminals.

Dimensions, polarity and mounting

It has external dimensions of 70 × 47 × 106 mm. It uses FASTON-4.8 terminals, the system that anchors and connects it in the vehicle. For a direct replacement, the current battery tray must accept these dimensions and the same terminal layout; otherwise adapters will be needed or the hold-down will change.

Technology inside the Fulbat FP6-4

Fulbat builds the FP6-4 to the same standards as the rest of its catalogue; what changes between references is capacity, format and terminal position.

In an AGM battery the electrolyte is absorbed in glass-fibre separators: there is no free liquid, it cannot spill and it can be mounted at an angle. That construction lowers internal resistance, speeds up recharging and multiplies cycle life compared with a conventional battery.

What Fulbat does differently

Fulbat has manufactured in France since 1978 and specialises in motorcycles and light vehicles. Its catalogue is short and clear, covers almost the whole fleet and works only with sealed, leak-free batteries. All the Fulbat batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.

Official warranty

The Fulbat FP6-4 comes with the manufacturer's official warranty against manufacturing defects. If it fails through a defect within the warranty period, we replace it at no cost to you.

How to make it last longer

Replace all the batteries in the set at once and avoid environments continuously above 25 °C. Check the float voltage of the UPS or charger: a voltage that is too high shortens the life of a sealed battery.

Delivery times and returns

Orders placed before 6:00 pm with the battery in stock ship the same day. Delivery in mainland Spain and Portugal takes 24-48 working hours; for the Balearic Islands and the rest of the European Union allow 3 to 5 working days. You have 14 days to return an unused battery; in mainland Spain and Portugal collection is free. We email you the tracking number as soon as the parcel ships.

  • Reference
    BCOM-FULBAT-FP6-4

Data sheet

  • Brand
    FULBAT
  • Model
    FULBAT FP General Purpose
  • Voltage (V)
    6V
  • Length
    70mm
  • Width
    47mm
  • Height
    106mm
  • Technology
    AGM
  • Terminal type
    FASTON-4.8
  • Capacity (C20)
    4Ah

Specific References

  • MPN
    FP6-4

Recommended accessories — complement the Fulbat FP6-4 with a charger or tester

Frequently asked questions

How is the Fulbat FP6-4 battery installed in the vehicle?

In most devices it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on our blog. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On devices with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

What is the service life of the FP6-4 model?

Expected lifespan of the Fulbat FP6-4 is 4 to 7 years in regular use (depends on technology and climate). In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

What size is this battery?

Dimensions (length × width × height) are 70×47×106 mm — also written as 70x47x106 mm — following the European DIN standard. Always measure the space in your device before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

Which interchangeable batteries are there for this one?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop devices. See the "Equivalents" section to view recommended options at the same performance level.


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