Be-Betterpower Industrial Co., Ltd.

China Manufacturer with main products: DC to AC Power Inverter, Power Inverter, Pure Sine Wave Inverter

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Charge Controller

Update Time: 11/4/2009

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Place of Origin: Shenzhen in China


Solarmate a 40amp  12/24V volt Maximum Power Point Tracking(MPPT) PV battery charge controller. Through the use of MPPT technology, Solarmate can increase charge current up to 30% or more compared to conventional controllers.  Solarmate's sophisicated three stage charge control system can be configured against voltage transients, over temperature,over current, reverse battery and reverse PV connections. An automatic current limit feature allows use ofthe full 40 amp capacity wihtout worrying about overload or nuisance fuse blow from excessive current ,voltage or amp-hour based load control.

Series pass Pulse Width Modulation (PWM) charge voltage control combined with a multistage charge control algorithm leads to superior  charging and enhanced battery performance . The filtered PWM power control system uses highly efficient and reliable power MOSFET transistors. The  MOSFET's are  turned on and off at high frequency to precisely control  charge  voltage and MPPT.

Fully automatic temperature compensation of charge voltage is available to further improve charge control and battery performance.  The optional battery temperature sensor is built for long term reliability. The sensor element is enviromentally sealed and encapsulated into a plastic lug which adheres to directly to the battery terminal and by RJ11 port connect with the unit ,and the solarmate also includes and isolated RS232 port for connection to a PC computer for data logging and system monitoring. The Solarmate can easily install in parallel connection, so it also suitable for large system application condition.

Electrical Specification

Rated Voltage:12V

Rated charge current;40A
Load current: 15A
Input Voltaged :15-55V DC

Typical Idle consumption : At idle < 10 mA

Overload protection(DC load)   2.0*Inom > 5s


                                            1.25* Inom temperature controlled

Bulk charge: 14.6(default)

Floating charge: 13.4V(default)

Equalization charge: 14.0V(default)

Over charge disconnection: 14.8V

over charge recovery: 13.6V

Over discharge disconnection; 10.8V(default)

Over discharge reconnection:12.3V

Temperature compensation:-13.2mV/oC

Lead acid battery settings: Ajustable

NiCad battery settings: Ajustable

Load control mode: 1, Low Voltage  Reconnect (LVR): Ajustable

                             2, Low Voltage Disconnect(LVD): automatic  disconnection.

                             3,Reconnection: Includes warning flash before disconnect & reconnection

Low voltage reconnect; 12.0-14.0 Vdc

Low voltage disconnect:10.5-12.5 Vdc

Ambient Temperature: 0-40oC

Altitude: Operating 5000m, Non-Operating 16000m

Protection class:IP21

Battery Temperature sensor:  Optional remote battery temperature sensor for increased charging precision.

Terminal size(fine/single wire) :# 8 AWG

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