© 2014, Carmanah Technologies Corporation. June 2014. 61249_M650H_User_Manual_RevC
M650H USER MANUAL
23
• Battery Pack age: over a period of many hundreds
of charge/discharge cycles, the Battery Pack chem-
istry degrades. The M650H Battery Pack can last
over five years, depending on the factors listed
above.
Storage Procedures
Please follow these storage procedures to maximize
the M650H Battery Pack life:
• Prior to storage, put the M650H into Off Mode
(pg. 19), Ship Mode (pg. 27), or disconnect
the Battery Pack (pg. 23).
• Store in a cool place.
• Follow the recharge interval recommendations
presented in the following table:
Battery storage and recharge intervals
Storage Temperature
Recharge Interval
(months)
˚C
˚F
≤ 20
≤ 68
9
25
77
6
30
86
4
35
95
2.5
40
104
1.5
≥ 45
≥ 113
1
Do not store the M650H for long periods without
charging the Battery Pack, either with the optional
Plug-In Charger (pg. 21), or by placing it in the sun
until the reported Battery Pack health is Good. The
amount of time it takes to charge in the sun depends
on the installation location, weather, and the initial
Battery Pack state of health.
Replacing the Battery Pack
At the end of the M650H Battery Pack’s life, you can
remove it and replace it. Always recycle used Battery
Packs appropriately.
To remove the Battery Pack:
1. Remove the Bottom Cover (pg. 11).
2. Unplug the Battery Pack connector by pressing
down on the latch while gently pulling on the
connector body.
Do not pull by the wires.
NOTE
Disconnect the USB cable and
Battery Pack connector before
removing the Battery Pack.
3. Unhook the Battery Pack strap from the tab in
the chassis, and pull the Battery Pack strap out
of the way.