If it's time to replace the expired batteries in your scooter or power chair, Monster Scooter Parts has exactly what you need to stay on the go. Our premium quality U1 (35 Ah) 12 Volt MU-1 SLD M AGM mobility scooter & power chair battery (also known as ES33-12) is made by MK Battery, one of the leading suppliers of first-class battery products. The MK Battery MU-1 U1 is a very popular battery that may be found providing dependable power to untold thousands of mobility scooters and power chairs.

Note: This battery comes with L-shaped post terminals as shown in the picture above.

Click here to see the MK ES33-12 U1 Battery specs in PDF form.

The MK ES33-12 replaces any standard 12 volt 35 Ah battery including the following battery models:

BP35-12H (BB Battery)

BP35-12S (BB Battery)

BP35-12F (BB Battery)

SLA-12V-35AH-T3 (Chrome Battery)

12V33Ah/10HR (ExpertPower)

BT33-12HC (IBT Battery)

BT35-12HC (IBT Battery)

ML35-12 SLA (Mighty Max)

ES33-12 (MK Battery)

PC33-12 (Powercell Battery)

PC33-12M (Powercell Battery)

PS12-35-D (PowerStar)

PS-12350 (Power-Sonic Battery)

33-12 (Rhino)

33-12FP (Rhino)

SP12-35 NB (SigmasTek)

TD35-12 (Tempest)

UB12350 (Universal Battery)

The ES33-12 battery comes with a 1-year full replacement warranty.

Why buy replacement U1 scooter and power chair batteries from Monster Scooter Parts?
Monster Scooter Parts sells high-quality Absorbed Glass Mat (AGM) U1 batteries at affordable prices. You can be assured that the batteries we sell are of a higher quality than the knock-off or off-brand batteries sold by Amazon dealers and eBay sellers. All of our U1 batteries are backed by a one year warranty. Compare our scooter and power chair batteries and battery packs to the lower quality batteries sold by our competition and you will easily understand why Monster Scooter Parts is your source for mobility parts and accessories.

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