Long
Long WP4A-BS · UPS battery 12V 2.3Ah
Reference: BOL-LONG-WP4A-BS
The Long WP4A-BS is an UPS battery with 12 V and 2.3 Ah, measuring 113 × 48 × 85 mm.
Long WP4A-BS · UPS battery 12V 2.3Ah images
- Voltage
- 12V
- Capacity
- 2.3Ah
- Technology
- AGM
- Dimensions (L × W × H)
- 113 × 48 × 85 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 WP4A-BS fits
The Long WP4A-BS 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 WP4A-BS spends most of its life on float charge, waiting for a power cut.
The WP4A-BS belongs to the Long Starting Series range. See all Long batteries
Equivalents and alternatives to the Long WP4A-BS
No other reference in the catalogue fully matches the dimensions and polarity of the WP4A-BS; you will find the closest ones among our uPS batteries.
Long WP4A-BS vs WP3-12 and WP2.9-12T: which one to choose?
Torn between the WP4A-BS and another similar Long? This is what changes:
| Model | Capacity | Dimensions (mm) | Weight |
|---|---|---|---|
| Long WP4A-BS (this one) | 2.3 Ah | 113 × 48 × 85 | 1.21 kg |
| Long WP3-12 | 3 Ah | 134 × 67 × 65.5 | 1.3 kg |
| Long WP2.9-12T | 2.9 Ah | 79 × 56 × 107 | 1.19 kg |
- Long WP3-12: 0.70 Ah more, a different case (134 × 67 × 65.5 mm).
- Long WP2.9-12T: 0.60 Ah more, a different case (79 × 56 × 107 mm).
AGM technology in the WP4A-BS
The WP4A-BS 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.
What to look at before buying the WP4A-BS
- The WP4A-BS needs 113 × 48 × 85 mm of space: measure it with the hold-down clamp in place.
- Capacity of the WP4A-BS: 2.3 Ah; the same as your current battery or slightly more is fine.
Long WP4A-BS codes and part numbers
The WP4A-BS is listed under these codes on labels, in garages and in catalogues:
| Commercial reference | WP4A-BS |
|---|---|
| Not to be confused with | Long WP7A-BS (7 Ah) |
Frequently asked questions about the Long WP4A-BS
Long WP4A-BS or WP3-12?
Compared with the WP4A-BS, the Long WP3-12 has 0.70 Ah more. With 3 Ah, the WP3-12 runs longer between charges than the WP4A-BS (2.3 Ah). Mind the space: the WP3-12 measures 134 × 67 × 65.5 mm.
How much does the Long WP4A-BS weigh?
The WP4A-BS weighs 1.21 kg. For reference, the Long WP3-12 (3 Ah) weighs 1.3 kg.
Which charger does the Long WP4A-BS 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.
More batteries to compare with the WP4A-BS
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