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🔋 Power your mower with Ultramax — because every cut counts!
The Ultramax NP20-12 is a premium 12V 20Ah sealed lead-acid battery engineered for lawn mowers and a variety of high-demand electronics. Featuring heavy-duty plates and advanced separators, it delivers twice the cyclic lifespan of conventional batteries. Compact and fully charged on delivery, it ensures instant, reliable starts and fits popular replacement models. Supported by a 1-year warranty, it’s the smart choice for professionals who demand lasting power and hassle-free performance.
| ASIN | B00TPOWDNE |
| Best Sellers Rank | 56,977 in Garden ( See Top 100 in Garden ) 35 in Lawn Mower Batteries |
| Guaranteed software updates until | unknown |
| Manufacturer | ULTRA MAX |
| Manufacturer reference | NP20-12 |
P**L
Purchased for my Stiga Tractor Mower
Easy replacement for original. Starts first time every time. Nothing more to say really. A good replacement battery.
J**H
Good value battery
Quick delivery, connected and perfect start up of my mountfield tractor mower, not had it long enough to assess life span but looks good.
F**N
Terminals not as shown
Battery delivered ok but not as shown in picture . Battery ok but not nut and bolt connection but screw down terminals so had to adjust lugs on leads.
D**H
This fitted the Mountfield 1530H tractor mower exactly
This fitted the Mountfield 1530H tractor mower exactly and so far ( one month), is performing well.
M**N
Does the job and at the right price
What can you say about a battery? It does a good job and was reasonably priced.
C**S
It works well
Nowt it's great
T**R
battery
good little battery
R**R
Looks good so far!
arrived on-time, performance still being assessed, good so far.
Trustpilot
2 weeks ago
2 weeks ago