Long
Long WP1251W · UPS battery 12V 12Ah
Reference: BOL-LONG-WP1251W
Long WP1251W: UPS battery with 12 V and 12 Ah, measuring 151 × 98 × 98 mm.
Long WP1251W · UPS battery 12V 12Ah images
- Voltage
- 12V
- Capacity
- 12Ah
- Technology
- AGM
- Dimensions (L × W × H)
- 151 × 98 × 98 mm
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14 days to return your order
If it does not fit, you have 14 days from delivery to return it unused.
Where the Long WP1251W fits
The Long WP1251W is a VRLA AGM battery for UPS and uninterruptible power systems: it stays charged for years waiting for an outage and delivers the energy instantly when it comes. The WP1251W spends most of its life on float charge, waiting for a power cut.
The WP1251W belongs to the Long WP WATT Series range. See all Long batteries
Equivalents and alternatives to the Long WP1251W
Other AGM batteries that fit the WP1251W's tray with the same polarity: an AGM can only be replaced by another AGM.
| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Fulbat FP12-12FR | AGM | 12 Ah | 151 × 98 × 101 |
| Ritar RT12120 | AGM | 12 Ah | 151 × 98 × 101 |
| Q-Battery 12LS-12 F1 | AGM | 12 Ah | 151 × 98 × 95 |
| Q-Battery 12LS-12 F2 | AGM | 12 Ah | 151 × 98 × 95 |
| Q-Battery 12LSX-28 | AGM | 12 Ah | 151 × 98 × 95 |
| Long WPL12-12 | AGM | 12 Ah | 151 × 98 × 98 |
Long WP1251W vs WPL14-12S and WP12A-BS: differences
What sets the WP1251W apart from its neighbours in the Long range:
| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP1251W (this one) | 12 Ah | 151 × 98 × 98 | 3.65 kg |
| Long WPL14-12S | 14 Ah | 151 × 98 × 100 | 4.3 kg |
| Long WP12A-BS | 9.5 Ah | 151 × 88 × 103 | 3.56 kg |
- Long WPL14-12S: 2 Ah more, the same dimensions.
- Long WP12A-BS: 2.5 Ah less, a different case (151 × 88 × 103 mm).
What it means that the WP1251W is AGM
The WP1251W 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 Long WP1251W
- The WP1251W needs 151 × 98 × 98 mm of space: measure it with the hold-down clamp in place.
- Your current battery should say about 12 Ah; a little more is also fine.
Frequently asked questions about the Long WP1251W
WP1251W or WPL14-12S: which one suits me?
Compared with the WP1251W, the Long WPL14-12S has 2 Ah more. With 14 Ah, the WPL14-12S runs longer between charges than the WP1251W (12 Ah). Both measure 151 × 98 × 98 mm, so they fit the same tray.
How much does the Long WP1251W weigh?
3.65 kg, with 12 Ah of capacity. For reference, the Long WPL14-12S (14 Ah) weighs 4.3 kg.
Which battery is equivalent to the Long WP1251W?
Only other AGM batteries with its dimensions and polarity: Fulbat FP12-12FR, Ritar RT12120 and Q-Battery 12LS-12 F1. Neither an EFB nor a conventional battery replaces the WP1251W.
What is the difference between F1 and F2 terminals?
The tab width: F1 is 4.8 mm and F2 is 6.35 mm. Most UPS units use F2; check your unit's connector before ordering.
More batteries to compare with the WP1251W
- All uPS batteries
- Full Long catalogue
- Long WP14B-4 · 12 Ah, 150×69×145 mm
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