POWERTECH
DC-DC Isolated
4-stage
Boost Charger
MB-3690
MB-3691
INSTRUCTION MANUAL
Please read this instruction manual carefully
before operating the device.
Important Information!
Thank you for purchasing the DC-DC 4 stage boost
charger.
Please read this instruction manual carefully before
operating the device. Keep this manual in a safe place for
future reference. This instruction manual is part of the
product. It must be handed over along with the device if it
is passed on to a third party.
WARNING! Risk of Electric Shock!
Do not open the device if it has been connected to the
battery or DC power source.
Warranty
only covers the cost of parts and labor for
the repair service within the warranty period. Warranty will
not apply where the device has been misused, altered,
neglected, improperly installed, or physically damaged,
either internally or externally or damaged from improper
use or use in an unsuitable environment. We shall not be
liable for damages, whether direct, incidental, special, or
consequential, or economic loss even though caused by
negligence, or other fault. If the device requires warranty
service, please return it to the place of purchase along
with a copy of the receipt with purchasing date.
Specification
MODEL
MB-3690
Input Voltage
12VDC (8 ~ 16VDC operative)
Bulk / Absorption Charging
14.2V / 14.6V / 14.8V
Float Charging
13.2V / 13.5V / 13.8V
Power Supply
13.2V / 13.5V / 13.8V
Max. DC output current
40A
Efficiency up to
90%
Output short circuit
Yes
Battery reverse polarity
DC fuse
Input to output fully isolated.
Yes
Output terminal
2
Operation temperature
0
°
C to 40
°
C
Ventilation
Cooling Fan, thermal controlled
Weight (kg)
1.6
Dimensions (mm)
260 x 140 x 80
MODEL
MB-3691
Input Voltage
24VDC (20 ~ 30VDC operative)
Bulk / Absorption Charging
14.2V / 14.6V / 14.8V
Float Charging
13.2V / 13.5V / 13.8V
Power Supply
13.2V / 13.5V / 13.8V
Max. DC output current
40A
Efficiency up to
90%
Output short circuit
Yes
Battery reverse polarity
DC fuse
Input to output fully isolated.
Yes
Output terminal
2
Operation temperature
0
°
C to 40
°
C
Ventilation
Cooling Fan, thermal controlled
Weight (kg)
1.6
Dimensions (mm)
260 x 140 x 80
Specifications subject to change without notice.
This device has been CE tested and
conforms to the applicable directives and
standards.
Disposal
When the device has become unusable, dispose
of it in accordance with the applicable disposal
regulations.
