Consider the Powersonic PSL-SH-12100 Battery. Delivering 12.8V/10.8AH of power, this HIGH RATE, ultra light weight Deep Cycle Battery comes with a Battery Management System, allowing for either series or parallel configuration. This enables the end user to obtain higher voltage or amperage by combining multiple batteries. This SUPER SAFE Lithium Iron Phosphate substitute for sealed lead acid batteries - is 40% lighter than the SLA counterpart.
PSL-SH-12100 BATTERY ATTRIBUTES:
Voltage - 12.8V
Capacity - 10.8AH
Dimensions - 5.95" L x 2.56" W x 3.86" H (151mm x 65mm x 98.0mm)
Terminals - F2 (.250" spade)
Chemistry - LiFePO4
Spec sheet
MSDS (Material Safety Datasheet)
RECOMMENDED BATTERY CHARGER BELOW:
https://bbmbattery.com/products/psc-124000-life-power-sonic-battery-charger-12-8v-4-0a-for-4-cell
PSL-SH-12100 BATTERY ATTRIBUTES:
Voltage - 12.8V
Capacity - 10.8AH
Dimensions - 5.95" L x 2.56" W x 3.86" H (151mm x 65mm x 98.0mm)
Terminals - F2 (.250" spade)
Chemistry - LiFePO4
Spec sheet
MSDS (Material Safety Datasheet)
RECOMMENDED BATTERY CHARGER BELOW:
https://bbmbattery.com/products/psc-124000-life-power-sonic-battery-charger-12-8v-4-0a-for-4-cell