Fulbat

Fulbat FP12-40 · UPS battery 12V 40Ah

Reference: BOL-FULBAT-FP12-40

Fulbat FP12-40: UPS battery with 12 V and 40 Ah, measuring 197 × 165 × 170 mm.

Fulbat FP12-40 · UPS battery 12V 40Ah – main view
Voltage
12V
Capacity
40Ah
Technology
AGM
Dimensions (L × W × H)
197 × 165 × 170 mm
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If it does not fit, you have 14 days from delivery to return it unused.

The Fulbat FP12-40 at a glance

The Fulbat FP12-40 replaces the original batteries in a UPS. The FP12-40 spends most of its life on float charge, waiting for a power cut.

The FP12-40 belongs to the Fulbat FULBAT FP General Purpose range. See all Fulbat batteries

Inside the FP12-40: AGM technology

Inside, the FP12-40 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.

Fulbat FP12-40 vs FP12-50 and FP12-33: which one to choose?

What sets the FP12-40 apart from its neighbours in the Fulbat range:

ModelCapacityDimensions (mm)Weight
Fulbat FP12-40 (this one)40 Ah197 × 165 × 17012 kg
Fulbat FP12-5050 Ah197 × 165 × 17014.2 kg
Fulbat FP12-3333 Ah195 × 130 × 17810.5 kg
  • Fulbat FP12-50: 10 Ah more, the same dimensions.
  • Fulbat FP12-33: 7 Ah less, a different case (195 × 130 × 178 mm).

Equivalents and alternatives to the Fulbat FP12-40

Other AGM batteries that fit the FP12-40's tray with the same polarity: an AGM can only be replaced by another AGM.

ModelTechnologyCapacityDimensions (mm)
Q-Battery 12LS-38AGM38 Ah197 × 165 × 170
Long WPS40-12AGM40 Ah199 × 166 × 171
Long WPS40-12NAGM40 Ah199 × 166 × 171
Long WPL40-12AGM40 Ah199 × 166 × 171
Long WPL40-12NAGM40 Ah199 × 166 × 171
Fulbat FP12-40FRAGM40 Ah197 × 165 × 170

Part numbers and codes for the Fulbat FP12-40

Shops, garages and catalogues identify the FP12-40 with these codes:

Commercial referenceFP12-40
Terminal typeT6
Not to be confused withFulbat FLP12-40 (40 Ah), Fulbat FP12-4L (4 Ah, positive terminal on the left), Fulbat FP12-4.5 (4.5 Ah, positive terminal on the left)

Check this before ordering the Fulbat FP12-40

  • Your current battery should say about 40 Ah; a little more is also fine.
  • Measure the space: the FP12-40 takes up 197 × 165 × 170 mm.

Frequently asked questions about the Fulbat FP12-40

FP12-40 or FP12-50: which one suits me?

Compared with the FP12-40, the Fulbat FP12-50 has 10 Ah more. With 50 Ah, the FP12-50 runs longer between charges than the FP12-40 (40 Ah). Both measure 197 × 165 × 170 mm, so they fit the same tray.

How much does the Fulbat FP12-40 weigh?

12 kg, with 40 Ah of capacity. For reference, the Fulbat FP12-50 (50 Ah) weighs 14.2 kg.

Which battery is equivalent to the Fulbat FP12-40?

Only other AGM batteries with its dimensions and polarity: Q-Battery 12LS-38, Long WPS40-12 and Long WPS40-12N. Neither an EFB nor a conventional battery replaces the FP12-40.

Which charger does the Fulbat FP12-40 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.

Keep comparing: alternatives to the FP12-40

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