The Amped Outdoors 12v 30Ah Tall LiFePO4 Lithium Battery (Lithium Iron Phosphate) is the tall version* and is among the longest-lasting lithium batteries on the market, capable of 2,000-plus charge cycles. Amped Outdoors declares there is no better technology available. The battery is among the safest as a built-in Battery Management System (BMS) audits safety levels and performance and provides charging and discharging cutoff protection. All further the battery's usable life. Factor in the cost per charge, and the Amped Outdoors 12v 30Ah Tall LiFePO4 Lithium Battery raises the power game! Built-in BMS for safety and increased longevityActual Voltage: 12.8VNominal Capacity: 30AhDischarge Cut-Off: 10VCharge Cut-Off: 14.65VCharge Current: 30ACont. Charge: 30ACharge Temperature: 32F - 113FDischarge Temperature: -20F - 140FCharge Method: CC/CVCharge Cycles: 2000+Dimensions: 7.125 in x 3.03 in x 6.5 in.Weight: 6.7 lbs.Manufacturer Warranty: 30-day satisfaction money-back guarantee; 2-year free replacement warranty on all batteries deemed defective under normal use. *Note: does not fit the Garmin Ice Kit or Summit HD Shuttle; will fit the old 3D Summit Fishing Shuttle. Charging: All LiFePO4 Amped Outdoors Batteries should be charged with an Amped Outdoor LiFePO4 charger for best results. SLA and other lithium chargers may not fully charge a LiFePO4 battery with BMS or can give false charge indications. Disclaimer: 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.