
Main Diagram
LITHIONICS BATTERY, CLEARWATER, FL 33765 USA | PH: 727.726.4204 | FAX: 727.797.8046 | WEB: LITHIONICSBATTERY.com 5
The Lithionics IonGage monitors battery voltage, current, power, amp-hours consumed and state of charge.
The Solar MPPT charger is connected to the positive distribution bus via a 40A Maxi fuse. The PV solar array is connected to the
MPPT charger via a circuit breaker. The specified circuit breaker is only rated at 48VDC; if your PV solar array has an open circuit
voltage that is higher, then another circuit breaker with a higher voltage rating must be substituted. The fuse and wire sizes are
based on the Victron MPPT 100/30 charge controller, if a larger controller is used then the fuse and wire sizes should be increased
as required.
The Sterling Battery to Battery charger is connected to the positive distribution buss via a 50A Maxi fuse (80A for the Sterling
BB1260 charger). It also has a fuse at the starter battery, this fuse must be installed as close to the battery as possible.
Wiring note:
A total DC power circuit resistance between a single Lithionics battery and a 3000W inverter can be as low as 5 mOhm (0.005
Ohm), when using short wires to connect the battery to the inverter. With a typical battery voltage of 13.5V, this can result in an
inrush peak current of 2,700 Amps (!!!) from the battery to the inverter capacitors. This surge only lasts around 1 millisecond but
could be enough to damage the Battery Management System (BMS) or even damage the inverter. The minimum required wire size
and length stated in the wiring diagram are provided to ensure minimum circuit resistance of at least 5.6 mOhm to reduce the inrush
under 2,400A. For more information refer to Lithionics Support page, FAQ Section at this link https://lithionicsbattery.com/support/