Charger/battery connections, Battery connection with balance adaptor, Battery connection without balance adaptor – HITEC X1 AC Plus: Single Port AC/DC Chargers User Manual
Page 12: 12vdc battery/dc power supply connection, Warning

12
TO AVOID SHORT CIRCUITS, ALWAYS CONNECT THE CHARGE LEADS
TO THE CHARGER FIRST, AND THEN TO THE BATTERY. REVERSE THE
SEQUENCE WHEN DISCONNECTING THE PACK.
Charger/Battery Connections
Warning
2S
3S
4S
5S
6S
1
2
3
4
5
6
BATTERY
DC 11-18V
BALANCE
SOCKET
BALANCE ADAPTOR
X1 CHARGER
BALANCE
LEAD
Battery Connection With Balance Adaptor.
BATTERY
DC 11-18V
BALANCE
SOCKET
X1 CHARGER
Battery Connection
Without Balance Adaptor.
DC 11-18V
BALANCE
SOCKET
12VDC Battery/DC Power Supply Connection.
*
*
12VDC battery or
11~18V DC, 30 amp
power supply