12VNominal voltage
35AhAmp-hours at C20
10.48 kgWeight
In short: The battery on this page is the MK Battery ES33-12, aimed at mobility scooters and wheelchairs. Technology matters here: it is a AGM battery.
Fitting and everyday care
Powerchairs used from morning to night cycle their batteries hard every day. Keep terminals clean and dry. After a few years of daily use, most mobility batteries need renewing.
Measurements, ratings and codes
How AGM batteries work and how to look after them
Open up an AGM battery in your imagination and you would find the acid soaked into thin glass-fibre sheets squeezed against each plate. Alarm panels and UPS units are classic homes for small AGM blocks. Check that the vent hose is connected if the battery sits inside the vehicle.
Alternatives that fit the same space
Looking to compare? Each of these has the dimensions and polarity of the MK Battery ES33-12.
MK Battery MU-1 SLD MMK Battery MU-1 SLD M-2Ritar RA12-33Kronobat ES34-12Long U1-34H
Questions and answers
What range does the MK Battery ES33-12 come from?
It belongs to the MK AGM line from MK Battery. Other models in the same line share the construction and differ mainly in size and capacity.
How can I be sure the MK Battery ES33-12 is compatible?
Read the code on your old unit and set it beside ES33-12, then check dimensions, terminal layout and electrical ratings on this page. If all of them match, the replacement is equivalent.
Can I buy this mobility scooters and wheelchairs battery online?
Only a few minutes once you have checked the figures and the code.
MK Battery ES33-12 for mobility scooters and wheelchairs
Here is the MK Battery ES33-12, a battery for mobility scooters and wheelchairs. Mobility batteries are judged on capacity, size and terminal type. At baterias.online, each mobility battery is filed under maker and reference.
With 35Ah, capacity is typical of batteries for mobility scooters and wheelchairs.
Explore more
Happy with the fit? Ordering the MK Battery ES33-12 at baterias.online is quick. Checking the terminal side takes ten seconds and saves a lot of bother.
Check before ordering
- ✓ Outside dimensions are 196.1 × 130 × 180.1 mm. Run a tape measure over your tray or compartment, including the height under the bonnet or lid.
- ✓ Do not go far below your old battery's capacity; this one has 35Ah.
- ✓ Sticking with AGM avoids surprises, unless your vehicle maker approves a change.
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