Long
Long WP9B-4 · UPS battery 12V 8Ah
Reference: BOL-LONG-WP9B-4
Long WP9B-4: UPS battery with 12 V and 8 Ah, measuring 150 × 69 × 105 mm.
Long WP9B-4 · UPS battery 12V 8Ah images
- Voltage
- 12V
- Capacity
- 8Ah
- Technology
- AGM
- Dimensions (L × W × H)
- 150 × 69 × 105 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.
The Long WP9B-4 at a glance
The Long WP9B-4 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. Check dimensions, terminal type (F1 or F2) and capacity so it fits the unit.
The WP9B-4 belongs to the Long Starting Series range. See all Long batteries
Equivalents and alternatives to the Long WP9B-4
As the WP9B-4 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 WPS8-12 | AGM | 8 Ah | 151 × 65 × 102 |
| Long WP1236WT | AGM | 9 Ah | 151 × 65 × 106 |
| Long WP7-12(28W)T | AGM | 7 Ah | 151 × 65 × 106 |
| Long WP1234W | AGM | 8.5 Ah | 151 × 65 × 102 |
| Long WPL1235W | AGM | 8.5 Ah | 151 × 65 × 102 |
| Long WP7.2-12 | AGM | 7.2 Ah | 151 × 65 × 102 |
Long WP9B-4 vs WP1234W, WP12B-4 and WP7B-4: which one to choose?
The real differences between the WP9B-4 and the closest Long models:
| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP9B-4 (this one) | 8 Ah | 150 × 69 × 105 | 3.46 kg |
| Long WP1234W | 8.5 Ah | 151 × 65 × 102 | 2.5 kg |
| Long WP12B-4 | 9.5 Ah | 150 × 69 × 130 | 3.8 kg |
| Long WP7B-4 | 6.5 Ah | 150 × 65 × 93 | 2.7 kg |
| Long WPL1235W | 8.5 Ah | 151 × 65 × 102 | 2.7 kg |
- Long WP1234W: 0.5 Ah more, a different case (151 × 65 × 102 mm).
- Long WP12B-4: 1.5 Ah more, a different height (130 mm instead of 105 mm). It only fits if there is room for 130 mm of height.
- Long WP7B-4: 1.5 Ah less, a different height (93 mm instead of 105 mm). It is the option if your battery tray cannot take the 105 mm height of the WP9B-4.
- Long WPL1235W: 0.5 Ah more, a different case (151 × 65 × 102 mm).
What it means that the WP9B-4 is AGM
The WP9B-4 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 WP9B-4
- The WP9B-4 needs 150 × 69 × 105 mm of space: measure it with the hold-down clamp in place.
- Your current battery should say about 8 Ah; a little more is also fine.
Long WP9B-4 codes and part numbers
The WP9B-4 is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | WP9B-4 |
|---|---|
| Not to be confused with | Long WP7B-4 (6.5 Ah), Long WP9-BS (8 Ah) |
Frequently asked questions about the Long WP9B-4
Long WP9B-4 or WP1234W?
Compared with the WP9B-4, the Long WP1234W has 0.5 Ah more. With 8.5 Ah, the WP1234W runs longer between charges than the WP9B-4 (8 Ah). Mind the space: the WP1234W measures 151 × 65 × 102 mm.
Long WP9B-4 or WP12B-4/WP7B-4: what changes?
Mainly the height: the WP9B-4 is 105 mm tall and the Long WP12B-4 130 mm, with the same length and width and 9.5 Ah against 8 Ah. The Long WP7B-4 is 93 mm tall, with 6.5 Ah and A. Before choosing between the WP9B-4 and the WP12B-4, measure the free height of the battery compartment with the cover or bonnet closed.
How much does the Long WP9B-4 weigh?
The WP9B-4 weighs 3.46 kg. For reference, the Long WP1234W (8.5 Ah) weighs 2.5 kg.
Which battery is equivalent to the Long WP9B-4?
Only other AGM batteries with its dimensions and polarity: Long WPS8-12, Long WP1236WT and Long WP7-12(28W)T. Neither an EFB nor a conventional battery replaces the WP9B-4.
Which charger does the Long WP9B-4 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 WP9B-4
- Other uPS batteries
- The whole Long range
- Long WPS8-12 · 8 Ah, 151×65×102 mm
- Long WP1236WT · 9 Ah, 151×65×106 mm
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