Can be used to replace M4 battery wires for models built before 2018. Also can be used to make an external battery charger.
Automatic Battery Charger For White Tank M4 (Does Not Fit Blue Tank M4) $14.99
PUMP FOR WHITE TANK M4 (60 PSI - NOT COMPATIBLE WITH BLUE TANK M4) $19.99
New Viton Rubber Elbow For Pump Intake $2.99
Lithium Ion Battery 12 Volt 12 Ah and Charger
out of 5 stars