At a glance: One code, one battery: Long WPL40-12N, 40Ah 12V, for UPS and standby systems. Every figure that decides the fit is in the table below.
Long WPL40-12N for UPS and standby systems
Spotted Long WPL40-12N printed on the case of a standby battery? That code leads here. Standby batteries are judged on voltage, capacity and terminal fit. Buying batteries online by exact reference avoids mixing makes in one UPS string.
Nothing unusual about 40Ah: a standard capacity for UPS and standby systems.
12VNominal voltage
40AhCapacity, 20-hour rate (C20)
13.4 kgBattery weight
Five checks for a perfect fit
- ✓ Capacity 40Ah: equal to or a little above your old label is ideal.
- ✓ As a AGM battery it needs matching charge settings in the alternator, charger or solar regulator.
- ✓ Grab a tape measure: 199 × 166 × 171 mm is what this case needs.
Long WPL40-12N: dimensions and ratings
BrandLong
Part numberWPL40-12N
Product lineWPL Series
Used forUPS and standby systems
Nominal voltage12V
Capacity, 20-hour rate (C20)40Ah
ChemistryAGM
Outer measurements199 × 166 × 171 mm
Battery weight13.4 kg
Your questions answered
How do I search for a battery by brand and code?
Look on the battery label for the part number and search for it with the brand name. That leads directly to the matching product page.
How much weight should I expect to lift?
13.4 kg is the listed weight. For larger batteries, a second pair of hands makes fitting safer.
Can I keep the Long WPL40-12N on a shelf before fitting?
Store it fully charged, away from heat and frost, and give it a refresh charge before installation.
What size is the Long WPL40-12N and how much does it weigh?
Measurements are 199 × 166 × 171 mm, and it weighs 13.4 kg. Check the height under the bonnet or seat as well.
AGM: how it works
Picture a sponge holding the acid: that is roughly how an AGM cell works. Ambulances and police cars use AGM for their heavy electrical loads. Do not mix AGM and flooded batteries in one bank.
Batteries with the same format
If you prefer another make, these fit the same space with the same terminal side.
Long WPL40-12Long WPS40-12Long WPS40-12NRitar HR12-150WLong WPL45-12
Explore more
Prefer to compare first? The links below lead to other options for UPS and standby systems on baterias.online. If the terminal side or size differ, browse the alternatives before ordering.
Installation and maintenance tips
Server rooms that run warm age standby batteries quickly. Take old batteries to an authorised recycling point and tape over the terminals. Emergency luminaires that go dark early during a drill usually need fresh cells.
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