Fulbat FP12-33 · UPS battery 12V 33Ah
Reference: BOL-FULBAT-FP12-33
Fulbat FP12-33: UPS battery with 12 V and 33 Ah, measuring 195 × 130 × 178 mm, with the positive terminal on the left.
- Voltage
- 12V
- Capacity
- 33Ah
- Technology
- AGM
- Dimensions (L × W × H)
- 195 × 130 × 178 mm
- Polarity
- Positive terminal on the left
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The Fulbat FP12-33 at a glance
The Fulbat FP12-33 replaces the original batteries in a UPS. The FP12-33 spends most of its life on float charge, waiting for a power cut.
The FP12-33 belongs to the Fulbat FULBAT FP General Purpose range. See all Fulbat batteries
AGM technology in the FP12-33
Inside, the FP12-33 has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment.
Fulbat FP12-33 vs FP12-24H and FP12-40: which one to choose?
The real differences between the FP12-33 and the closest Fulbat models:
| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Fulbat FP12-33 (this one) | 33 Ah | 195 × 130 × 178 | left | 10.5 kg |
| Fulbat FP12-24H | 24 Ah | 164 × 125 × 174 | – | 8.45 kg |
| Fulbat FP12-40 | 40 Ah | 197 × 165 × 170 | – | 12 kg |
- Fulbat FP12-24H: 9 Ah less, a different case (164 × 125 × 174 mm).
- Fulbat FP12-40: 7 Ah more, a different case (197 × 165 × 170 mm).
Equivalents and alternatives to the Fulbat FP12-33
As the FP12-33 is an AGM battery, we only list other AGM batteries with its dimensions and polarity: neither an EFB nor a conventional battery can replace it.
| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Long WPL36-12 | AGM | 36 Ah | 197 × 131 × 180 |
| Long WXL12135W | AGM | 36 Ah | 197 × 131 × 180 |
Fulbat FP12-33 codes and part numbers
Shops, garages and catalogues identify the FP12-33 with these codes:
| Commercial reference | FP12-33 |
|---|---|
| Terminal type | T6 |
| Not to be confused with | Fulbat FP12-2.3 (2.3 Ah) |
Before ordering the FP12-33, check this
- Your current battery should say about 33 Ah; a little more is also fine.
- Polarity of the FP12-33: positive terminal on the left (if yours has it on the other side, the cables will not reach).
- Measure the space: the FP12-33 takes up 195 × 130 × 178 mm.
Frequently asked questions about the Fulbat FP12-33
Fulbat FP12-33 or FP12-24H?
Compared with the FP12-33, the Fulbat FP12-24H has 9 Ah less. With 33 Ah, the FP12-33 runs longer between charges than the FP12-24H (24 Ah). Mind the space: the FP12-24H measures 164 × 125 × 174 mm.
How much does the Fulbat FP12-33 weigh?
The FP12-33 weighs 10.5 kg. For reference, the Fulbat FP12-24H (24 Ah) weighs 8.45 kg.
Which battery is equivalent to the Fulbat FP12-33?
Only other AGM batteries with its dimensions and polarity: Long WPL36-12 and Long WXL12135W. Neither an EFB nor a conventional battery replaces the FP12-33.
Which side is the positive terminal on the Fulbat FP12-33?
The FP12-33 has the positive terminal on the left, looking at the battery from its long side with the terminals closest to you.
Which charger does the Fulbat FP12-33 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 FP12-33
- More uPS batteries
- More Fulbat models
- Long WPL36-12 · 36 Ah, 197×131×180 mm
- Long WXL12135W · 36 Ah, 197×131×180 mm
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