Lithium battery Functionality & Storage
Bulletin Type:

INC

Bulletin No:

23-085

Model Year (s):

2022-2024

Incident:

Publication Date:
Make(s):
Model(s):

February 2023
Jayco & Entegra Coach
Ethos LI, Launch, Expanse LI, Swift
LI, Terrain Solstice LI

Properly shutting down the lithium battery system

Affected Units:

2022-2024 Jayco Swift LI, Terrain, Solstice & 2022-2024 Entegra
Coach Ethos LI, Launch, Expanse LI

Lithium battery Functionality & Storage
There is not a need at the time of pick up for a delivery driver to operate the Lithium Battery System. The system
will properly shut down on its own for long-term storage after normal driving conditions.
At the time of delivery, Dealer should verify functionality of the Lithium Battery System:
1. Turning on the lithium battery: Turn battery
on with the self-locking switch and selfresetting switch
A. Press and release the self-locking
switch (Figure 1) (typically installed
behind an access panel near the
lithium battery).
i. NOTE: Self-locking switch
should be ‘ON’ at all times
Fig. 2
Fig. 1
except for long periods of
storage.
B. Press and hold the self-resetting switch (Figure 2) (typically
installed overhead cabinet near Firefly touchscreen) for
approximately 5-10 seconds to turn on the battery. There
will be a series of clicks count to 5 after the last one.
2. Turn on Inverter by pushing button on Inverter remote switch.
Green light will turn on the remote switch when inverter is on.
Fig. 3
(Figure 3)
A. NOTE: Turn off inverter when not charging by shore power
or using 120V outputs outlets and Timberline Heater) for short storage to preserve battery SOC%.
Leaving their inverter ON when the system is not in use can result in a 15-20% loss in SOC per day.

23-085_INC Lithium Battery System

February 2023

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3. To turn on 12V power, press and release the momentary switch
located near the rear of the sliding door. Note that the red light
by switch is illuminated when the 12V power is active. To turn
off the 12V power, press and release the switch again and the
red light by switch will turn off. (Figure 4)
4. Turn on the Firefly Touchscreen and select the Renogy Battery
icon (Figure 5):
A. Verify voltage
B. State of Charge
C. Current
D. Faults

Fig. 4

Fig. 5

With system verification completed, power down the system for storing unit:
1. Verify all charging sources have been
disconnected (Figure 6 & 7):
A. Engine
B. Shore Power
C. Rooftop Solar – disconnect near battery
in the ‘OFF’ position
D. Side Solar
i. NOTE: “ALL CHARGERS” need to
be off or disconnected including
Engine, Shore Power,
and both Rooftop and External Solar.

Fig. 6

Fig. 7

Turn off the 12V disconnect switch and ensure that the “Total Current on the Renogy Monitor = 0A”.
2. Turn off the 12V Master Disconnect (Main Power) located near the rear of the sliding door.
3. Turn off the Inverter by pushing button on Inverter remote switch.
4. Press and release the Self-Locking Battery Switch. The button will be flush in the ‘OFF’ position.
A. In order to avoid a cold and dead battery, it is highly recommended to utilize the Short Term
Storage method. Once a month, operate the battery system including discharging/charging the
system and verifying the battery SOC is between 50 to 100%.
B. There are three different storage terms listed below, and each have their own unique specific
criteria. The important part is to determine which storage method, or combination of methods suit
the intended storage.
C. Short Term Storage is defined as storage in which the battery is shut down, unused for up to one
month, 30 continuous days. It is important to note that the temperature and humidity range for
23-085_INC Lithium Battery System
February 2023
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short term storage is greater than medium or long term storage. This is important to pay close
attention to this detail because the aforementioned environmental criteria will define the
maximum length of time the battery can be stored.
i. Short Term Storage: up to 1 month, 30 continuous days
ii. Storage temperature and humidity range: -20°C to 35°C / -4°F to 95°F, 45% to 75% Relative
Humidity
iii. Charge the battery to 100% SOC before putting it in storage mode
D. To prepare the battery for short term storage, you can charge the battery up to up to 100% SOC, and
not lower than 50% before putting it in storage mode. If the storage temperature is less than 10°C
or 51°F, then it important to charge the battery to, or as close to 100% SOC.


For complete details
surrounding Storage
and Cold Weather
Recovery, review the
B-Van Lithium
Operation Manual
located in the goody
bag.

Storage Temperature
@ 45-75% Relative
Humidity

Short Term: 0-30 Days

Medium Term: 30-90
Days

Long Term: 90-180
Days

NOT RECOMMENDED FOR STORAGE
35°C / 95°F
30°C / 86°F

0°C / 32°F

RECALIBRATE BMS &
STORE BATTERY
@ 50-100%

RECALIBRATE BMS &
STORE BATTERY
@ 70%

RECALIBRATE BMS &
STORE BATTERY
@ 50%

-10°C / 14°F
-20°C / -4°F
NOT RECOMMENDED FOR STORAGE

yco’s sole obligation under our limited warranty is to repair or replace defective materials and/or workmanship deemed our responsibility as determined by
Jayco in our sole discretion. Jayco reserves the right to use new and/or remanufactured parts or materials of similar quality to complete any work, and to
make parts and/or design changes as appropriate without notice to anyone. Jayco designs and/or materials changes are done without obligation to
incorporate such changes in previously manufactured product. Jayco makes every reasonable effort to ensure field remedies will not adversely affect
performance and/or safety of the unit. This field remedy is not intended to extend to future performance of this RV, or any of its materials, components or
parts beyond the standard warranty period. The RV owner’s obligation to notify Jayco, or one of its independent, authorized dealers, of a claimed defect
does not modify any obligation placed on the RV owner to contact Jayco directly when attempting to pursue remedies under state or federal law. Jan. 2019.

03 South Main Street • P.O. Box 460 • Middlebury, IN 46540

23-085_INC Lithium Battery System

February 2023

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