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Mighty Max 12V 35Ah U1 lithium battery

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Mighty Max Battery · Batteries - lithium · AC-314

Mighty Max ML35-12LI U1 12V 35Ah LiFePO4 Battery

Last updated: 5 October 2026

This Mighty Max battery puts lithium iron phosphate cells into the U1 footprint. It is rated 12 volts, 35 amp hours and 448 watt hours, measures 7.56 by 5.19 by 6.69 inches and weighs 10 pounds, against about 24 pounds for a lead acid U1 according to the maker. A built-in management system guards against overcharge and short circuit.

Voltage
12 V
Capacity
35 Ah
Energy
448 Wh
Chemistry
LiFePO4

Mighty Max Battery ML35-12LI U1 LiFePO4 key features

  • 12 volt, 35 amp hour LiFePO4, 448 watt hours
  • U1 footprint: 7.56 x 5.19 x 6.69 inches
  • Weighs 10 pounds
  • Built-in BMS with overcharge and short circuit protection
  • Series or parallel connection of up to four identical units
  • Two year warranty

Who the Mighty Max Battery ML35-12LI U1 LiFePO4 suits

For scooter and wheelchair owners with U1 bays who want to cut battery weight, for example when lifting a scooter into a car. The maker sells it as a replacement for sealed lead acid and gel U1 units. Ask whether your charger suits lithium.

Figures for comparing

Weight
4.5 kg (9.9 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 ML35-12LI U1 LiFePO4 specifications

Mighty Max Battery ML35-12LI U1 LiFePO4 specifications
Voltage12 V
Capacity35 Ah
Energy448 Wh
ChemistryLiFePO4
Dimensions7.56 x 5.19 x 6.69 in
Weight10 lb
TerminalsInternal thread
ProtectionBuilt-in BMS
Warranty2 years
Maker countryUSA
BrandMighty Max Battery
CategoryBatteries and chargers, Batteries - lithium
Catalog IDAC-314

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 ML35-12LI U1 LiFePO4: common questions

Can two be wired for 24 volts?

Yes. The maker allows series or parallel connection of up to four identical units.

How much lighter is it?

The maker gives 10 pounds, compared with about 24 pounds for a lead acid U1 battery.

Does it have built-in protection?

Yes. A battery management system covers overcharge and short circuit.

How to get a quote for the Mighty Max Battery ML35-12LI U1 LiFePO4

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