$79.99 each, $164.98 pair (monsterscooterparts.com)
UB12350 U1 12V 35Ah AGM
Batteries - AGM. Sealed AGM battery in the U1 case size, sold singly or as a pair for 24 volt scooters and power chairs.
Mighty Max Battery
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Mighty Max Battery · Batteries - AGM · AC-313
Mighty Max ML35-12 U1 12V 35Ah AGM Battery
The ML35-12 is Mighty Max's sealed AGM battery in the U1 size. It delivers 12 volts and 35 amp hours from a case measuring 7.76 by 5.12 by 7.01 inches and weighs 23.15 pounds. The valve-regulated design uses a calcium-alloy grid and needs no topping up. It is sold singly and in packs of two or four.
- Voltage
- 12 V
- Capacity
- 35 Ah
- Chemistry
- SLA / AGM
- Case size
- U1
Mighty Max Battery ML35-12 key features
- 12 volt, 35 amp hour sealed AGM
- U1 case: 7.76 x 5.12 x 7.01 inches
- Weighs 23.15 pounds
- Nut and bolt terminals
- Valve regulated with calcium-alloy grid
- One year warranty
Who the Mighty Max Battery ML35-12 suits
A choice for scooter and power chair owners replacing U1 batteries who want a two-pack from one supplier. The maker lists medical mobility as an application but names no chair models here, so compare size and terminal type with your current batteries.
Figures for comparing
- Weight
- 10.5 kg (23.1 lb)
The same units on every product, converted from the specifications below. Where a source gives two limits, the lower one is shown.
Mighty Max Battery ML35-12 specifications
| Voltage | 12 V |
|---|---|
| Capacity | 35 Ah |
| Chemistry | SLA / AGM |
| Case size | U1 |
| Dimensions | 7.76 x 5.12 x 7.01 in |
| Weight | 23.15 lb |
| Terminals | Nut and bolt |
| Warranty | 1 year |
| Maker country | USA |
| Brand | Mighty Max Battery |
| Category | Batteries and chargers, Batteries - AGM |
| Catalog ID | AC-313 |
Compared with the source page on 5 October 2026. Details can change, so we confirm them in your quote. Open the source page.
Mighty Max Battery ML35-12: common questions
Is it sold in pairs?
Yes. The maker offers one, two and four packs.
Can it be used indoors?
The maker describes the valve-regulated design as suitable for enclosed and indoor use without leaking.
Will it fit my chair?
It is a U1 size battery. Check your bay dimensions and terminal style against the figures listed.
How to get a quote for the Mighty Max Battery ML35-12
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