Installation Manual
ChargeMaster Plus 12/75-3, 12/100-3, 24/40-3, 24/60-3 โ User and Installation Manual 
5 
BATTERIES  GENERATE  EXPLOSIVE 
GASES  DURING  NORMAL  BATTERY 
OPERATION.  FOR  THIS  REASON,  IT  IS 
OF UTMOST IMPORTANCE THAT EACH 
TIME BEFORE USING THE ChargeMaster 
Plus,  YOU  READ  THIS  MANUAL  AND 
FOLLOW  THE  INSTRUCTIONS 
EXACTLY. 
2  To  reduce  risk  of  battery  explosion,  follow 
these  instructions  and  those  published  by 
battery  manufacturer  and  manufacturer  of 
any equipment you intend to use in vicinity of 
the  battery.  Review  cautionary  marking  on 
these products and on engine. 
3  DANGER:  To  reduce  the  risk  of 
explosion โ Never use the ChargeMaster 
Plus in situations where there is danger of 
gas  or  dust  explosion  or  area  in  which 
ignition-protected equipment is required. 
2.3  Personal precautions 
1  Consider having someone close enough by to 
come to your aid when you work near a lead-
acid battery. 
2  Have plenty of fresh water and soap nearby in 
case  battery  acid  contacts  skin,  clothing,  or 
eyes. 
3  Wear  eye  and  clothing  protection.  Avoid 
touching eyes while working near battery. 
4  If battery acid contacts skin or clothing, wash 
immediately  with  soap  and  water.  If  acid 
enters  eye,  immediately  flood  eye  with 
running cold water for at least 10 minutes and 
get medical attention immediately. 
5  NEVER  smoke  or  allow  a  spark  or  flame  in 
vicinity of battery or engine. 
6  Be extra cautious to reduce risk of dropping a 
metal tool onto battery. It might spark or short-
circuit battery or other electrical part that may 
cause explosion. 
7  Do not wear watches, bracelets, necklaces or 
other  metal  objects  when  working  on 
batteries. 
2.4  Warnings regarding the use of 
batteries 
1  Only use the ChargeMaster Plus for charging 
Lead-Acid  or  lithium-ion  batteries  and  the 
supply  of  consumers  attached  to  these 
batteries, in permanent systems. Do not use 
the  ChargeMaster  Plus for  charging dry-cell 
batteries that are commonly used with home 
appliances.  These  batteries  may  burst  and 
cause  injury  to  persons  and  damage  to 
property. Make sure lithium-ion batteries used 
for this charger are certified to IEC standards.  
2  NEVER charge non-rechargeable batteries. 
3  NEVER charge a frozen battery. 
4  Excessive  battery  discharge  and/or  high 
charging voltages can cause serious damage 
to batteries. Do not exceed the recommended 
limits of discharge level of your batteries. 
5  If it is necessary to remove a battery, always 
remove grounded terminal from battery first. 
Make sure all accessories are off, so as not to 
cause an arc.  
6  Be  sure  that  the area  around  battery is well 
ventilated  while  battery  is  being  charged. 
Refer to the recommendations of the battery 
manufacturer.  
7  Batteries  are  heavy!  It  may  become  a 
projectile  if  it  is  involved  in  an  accident! 
Ensure  adequate  and  secure  mounting  and 
always  use  suitable  handling  equipment  for 
transportation. 
2.5  Charger location 
1  Never  place  charger  directly  above  battery 
being  charged;  gases  from  battery  will 
corrode and damage charger. 
2  Never  allow  battery  acid  to  drip  on  charger 
when  reading  electrolyte  specific  gravity  or 
filling battery. 
3  Do not operate charger in a closed-in area or 
restrict ventilation in any way. 
4  Do not set a battery on top of charger. 
2.6  DC connection precautions 
1  Connect and disconnect DC output clips only 
after  setting  any  charger  switches  to 
โoffโ position  and  removing  AC  cord  from 
electric outlet. Never allow clips to touch each 
other. 
2  Attach  clips  to  battery  and  chassis  as 
indicated in section 2.7, steps 5 and 6, and 2.8 
steps 2 through 4. 










