Lithium (LiFePO4) 12v 18aH Battery

Regular price $119.99

The highest capacity 10-12Ah Sealed Lead Acid battery replacement in the industry! This battery is 1.5" wider than a traditional ice fishing 7-9ah flasher/graph battery. Made to replace the Garmin 12Ah SLA.

(Expected Operating Times)

All Amped Outdoors Batteries are LiFePO4 Batteries (Lithium Iron Phosphate) These are the safest, longest lasting Lithium Batteries available. All batteries have built in BMS which gives you charging and discharging cutoff protection for your safety and increased longevity of our products. Cost per charge, there is not a better technology out there.

LiFePO4 Battery Specifications:

  • Nominal Voltage: 12V
  • Nominal Capacity: 18Ah
  • Discharge Cut-Off: 10V
  • Charge Cut-Off: 14.6V
  • Charge Current: 10A
  • Peak Discharge: 15A
  • Charge Temperature: 32F - 113F
  • Discharge Temperature: -20F - 140F
  • Charge Method: CC/CV
  • Dimension: 5 7/8 x 3 15/32 x 3 5/8 inches
  • Weight: 3lbs 11oz

Life Cycle: 2000+ charges at 80% capacity

Application: Fishing Electronics, amateur radio transceiver, Glider battery, Electric Sprayer, Toys, Machine Power Supply, Lighting, SLA replacement*

Warranty: 30-day satisfaction money back guarantee. 2-year warranty on all batteries deemed defective under normal use.

Disclaimers: This battery is solely intended for 12 volt use only. It may be wired in parallel to achieve a higher capacity but should not be run in series. Please contact us at if you are looking for a battery that may be run in series to achieve a higher voltage.

WARNING: This product can expose you to chemicals, including lead which is known to the State of California to cause cancer or other reproductive harm. For more information go to