Honda FourTrax Recon TRX250TM 2019 Owner's Manual page 152

Battery
The battery is located in a compartment under the seat.
UNDER SEAT
(4)
(1) rubber band
(2) negative (–) terminal lead
Removal
1. Make sure the ignition switch is OFF (w).
2. Remove the seat (page 90).
3. Release the rings and remove the rubber band (1).
4. Disconnect the negative (–) terminal lead (2) from the battery (3)
first, then disconnect the positive (+) terminal lead (4).
5. Remove the battery.
142 Servicing Your Honda
(3)
(3) battery
(4) positive (+) terminal lead
(1)
(2)