Expion360 12V 80Ah Group 24

Last updated: October 31, 2026

Expion360 12V 80Ah Group 24
3.7/5#1 of 5 in small 12V batteries
3.7

For boaters and overlanders who value a long US warranty and a sealed, bolt-down case over capacity per dollar.

  • 80 Ah (1,036 Wh)Capacity
  • 60 AContinuous output
  • Charge cutoff onlyCold charging
  • NoBluetooth
  • 12 yearsWarranty
  • $0.48Price / Wh
Check price at Amazon$687.65Check price at Expion360$499

Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 12-year warranty, the longest in its class
  • IP66 sealed case suits open boats and exposed trailer trays
  • Certified to the UL 1973 battery safety standard
  • Stops charging below freezing to protect the cells
Cons
  • 60 A continuous limit restricts it to inverters of about 700 W
  • Costs several times more per watt-hour than budget Group 24 batteries
  • No Bluetooth or state-of-charge display

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Specifications

Model numberEX-G24-80C
Capacity
Rated capacity80 Ah (1,036 Wh)
Nominal voltage12.8 V
ChemistryLiFePO4
Rated cycle life4,000 at 100% depth
Price per Wh$0.48
BMS
Continuous discharge60 A
Peak discharge100 A for 1 s
Max charge current40 A
Low-temperature chargingCharge cutoff only
Bluetooth monitoringNo
Series / parallelup to 4 in series, 4 in parallel
Build
Case sizeGroup 24
Dimensions10.24 x 6.81 x 8.59 in
Weight24 lb
TerminalsM8 x 1.25 brass
Water resistanceIP66
Warranty12 years
Released2023-03

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