The way I read the maintenance manual you have the option of a led acid battery OR the LifePo4 battery (lithium). No LOA required
11.2.6 Battery Lead-acid battery Lead-acid maintenance-free battery is installed on firewall. Battery can be charged directly
in the airplane after its disconnecting from the onboard electrical system. Technical parameters: Voltage 12 V
Nominal capacity 20 Ah
Max. discharge current 300 A (5 s)
Short circuit current 1,000 A
Range of operation temperatures - 20 to + 60 °C ( -4 to + 140 °F )
Service life is about 3 - 5 years or at capacity drop below 80 %
Weight:
6 kg (13 lbs)
If the airplane is not operated for more than one month, then remove the battery from the
airplane and store it.
Always store the battery fully charged at temperature of 20 °C ( 68 °F ). Daily discharging is
less than 0.1 % of battery nominal capacity.
Regularly recharge it up to the full capacity of charging once a month.
LiFePo4 battery
LiFePo4 maintenance-free battery is installed on firewall. Battery can be charged directly in
the airplane after its disconnecting from the onboard electrical system.
Technical parameters:
Nominal voltage
13.2 V
Capacity
9.2 Ah
Pulse discharge current
480 A (10 s)