In short: Quick facts on the Long WPL28-12TN: intended for UPS and standby systems, rated 28Ah 12V. Get the size and terminal side right and you are most of the way there.
12VVolts
28AhAmp-hours at C20
9.18 kgBattery weight
Long WPL28-12TN for UPS and standby systems
Electricians often order the Long WPL28-12TN during routine maintenance visits. Identical blocks share the load evenly in a UPS string. Ordering batteries online suits planned replacement cycles in offices and buildings.
28Ah is a typical capacity for UPS and standby systems.
Specifications table
MakeLong
Part numberWPL28-12TN
RangeWPL Series
ApplicationUPS and standby systems
Volts12V
Amp-hours at C2028Ah
ChemistryAGM
Outer measurements166 × 125.5 × 176 mm
Battery weight9.18 kg
Installation and maintenance tips
Emergency lights in a stairwell have to last their full test duration every time. Note the fitting date on the case. Choosing on size alone and ignoring terminal width leads to connectors that will not fit.
About the technology: AGM
Valve-regulated construction keeps an AGM case closed during normal life. AGM suits UPS and standby systems where a maintenance-free battery makes life easier. A full charge now and then helps an AGM battery that mostly works part-charged.
Before you order: a quick checklist
- ✓ Capacity is 28Ah. Aim for the same figure as your old battery or slightly above, never much lower.
- ✓ Chemistry: AGM. Some vehicles and chargers are programmed for a specific type, so check before swapping.
- ✓ Will it fit? The Long WPL28-12TN measures 166 × 125.5 × 176 mm, so compare length first, then width, then height with the lid or bonnet closed.
Your questions answered
Is the Long WPL28-12TN suitable for a 12V system?
Nominal voltage is 12V and capacity 28Ah. Wiring two in series doubles the voltage, while parallel wiring doubles the capacity.
Can I use my usual charger with this battery?
Most smart chargers have a mode for AGM. Select it before charging; an unsuitable programme can shorten battery life.
Are there other sizes in the same series?
This reference sits within WPL Series. Browse the brand page to see the neighbouring sizes of the same range.
Will this battery fit my vehicle or equipment?
Compare four things: the voltage, the amp-hours, the outer dimensions and which side the plus post is on. If all match, or capacity is slightly higher, it is a suitable replacement.
Same case, same terminal side
Listed below: batteries with the same case and polarity as the Long WPL28-12TN.
Long WPL28-12TLong WPL28-12TMQ-Battery 12LSX-9Ritar RT12280S
Explore more
Finished comparing? Placing your order online takes a couple of minutes. If the terminal side or size differ, browse the alternatives before ordering.
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