Price on request
12V 46Ah Deep Cycle U1 LiFePO4
Batteries - lithium. Lithium iron phosphate battery in a U1 case, far lighter than the lead-acid equivalent.
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Mighty Max Battery · Batteries - lithium · AC-314
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.
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.
The same units on every product, converted from the specifications below. Where a source gives two limits, the lower one is shown.
| Voltage | 12 V |
|---|---|
| Capacity | 35 Ah |
| Energy | 448 Wh |
| Chemistry | LiFePO4 |
| Dimensions | 7.56 x 5.19 x 6.69 in |
| Weight | 10 lb |
| Terminals | Internal thread |
| Protection | Built-in BMS |
| Warranty | 2 years |
| Maker country | USA |
| Brand | Mighty Max Battery |
| Category | Batteries and chargers, Batteries - lithium |
| Catalog ID | AC-314 |
Compared with the source page on 5 October 2026. Details can change, so we confirm them in your quote. Open the source page.
Yes. The maker allows series or parallel connection of up to four identical units.
The maker gives 10 pounds, compared with about 24 pounds for a lead acid U1 battery.
Yes. A battery management system covers overcharge and short circuit.
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Price on request
Batteries - lithium. Lithium iron phosphate battery in a U1 case, far lighter than the lead-acid equivalent.
approx. USD 970 (GBP 748.60 ex tax, retailer)
Batteries - lithium. Slim lithium-ion battery pack for the e-fix power add-on that fits and removes with one hand.
$599.00 (dakotalithium.com)
Batteries - lithium. LiFePO4 battery with group 24 compatible dimensions that the maker lists as a replacement for 50 Ah and 55 Ah sealed lead acid wheelchair batteries.
USD 269.96 each (retailer)
Batteries - lead-gel. Sealed, maintenance-free deep-cycle gel battery in the Group 22NF size.
USD 179 (retailer, pre-owned unit)
Chargers. Automatic 24 V, 8 A charger for power wheelchairs.
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