We cannot ship batteries overnight air.                                
 
New for 2022, the 20Ah LiFePO4 battery replaces our popular 18Ah model at the same size! This battery is 1.5" wider than a traditional ice fishing 7-9Ah flasher/graph battery. Made to replace the Garmin 12Ah SLA battery with over twice the operating time and half the weight! 
 
This 20Ah battery is LiFePO4 chemistry (Lithium Iron Phosphate). LiFePO4 are the safest, longest lasting Lithium Batteries available with 2000+ charge cycles. 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.
 
Product Specifications:
Nominal Voltage: 12V
Nominal Capacity: 20Ah
Discharge Cut-Off: 10V
Charge Cut-Off: 14.6V
Charge Current: 15A
Peak Discharge: 15A
Charge Temperature: 32F - 113F
Discharge Temperature: -20F - 140F
Charge Method: CC/CV
 
Terminal Type: Spade - F2 Connectors
 
Dimensions: mm - L*W*H: 150*99*95, Inches - 5 7/8 x 3 29/32 x 3 5/8
 
Weight: 4lbs 
Life Cycle: 2000+
 
Warranty: 30 day satisfaction money back guarantee. 2 year free replacement warranty on all batteries deemed defective under normal use. 
 
Charging: All LiFePO4 Amped Outdoors Batteries should be charged with one of our offered LiFePO4 chargers for best results. SLA and other lithium chargers may not fully charge a LiFePO4 battery with BMS, or can give false charge indications. 
 
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.
 
We do not ship batteries to Alaska 
 
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 www.p65Warnings.ca.gov.