12V DC-DC and Gel Sealed LiFePO4 Lthium-Ion (NCM) of Battery Charger

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Product Description

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Basic Specifications

Model NO.
B2B1230
Product Name
DC & MPPT Solar Charger
Nominal Voltage
12V
DC Output
30A
Charger Style
Solar Charger
Compatible Battery
12-Volt (Gel, Sealed, Flooded, LiFePO4, Lithium-Ion)
Certification
RoHS, CE, E-MARK
Application
Standard Battery, RV, Vehicle
Feature
Dual Input, Free APP Control
Bluetooth
Support and Optional
Temperature Sensor
Support and Optional
Dimensions
19 * 19.4 * 7cm
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Product Description

Automatic Smart Vehicle Charger Dual Input DC & Solar Battery Charger

This is an all-automatic charger with 2 charging sources. You can use a 12V battery to charge another 12V battery (B2B), or use solar panels. The system features intelligent switching between charging methods, specifically designed for RVs, campervans, and marine vessels.

  • BS126030: B2B 12V-12V/60A | MPPT Solar: 12V/30A (430W)
  • BS123020: B2B 12V-12V/30A | MPPT Solar: 12V/20A (250W)

⚙️ Technical Data - BS126030

Cable Cross Section Cable Length "+ Start II" Cable Length "- Batt." "Fuse II" Protection Cable Length "- Com." to "- Board I" Cable Length "+ Board I" "Fuse I" Protection Solar Panel Cables (+/-)
10mm²___0.5-2.0m0.5-2.0m80Aup to 10m
16mm²up to 7mup to 7m100A1.5-3.0m1.5-3.0m80Aup to 16m
25mm²up to 10mup to 10m100A2.5-5.0m2.5-5.0m80A_

⚙️ Technical Data - BS123020

Cable Cross Section Cable Length "+ Start II" Cable Length "- Batt." "Fuse II" Protection Cable Length "- Com." to "- Board I" Cable Length "+ Board I" "Fuse I" Protection Solar Panel Cables (+/-)
4mm²___0.5-1.5m0.5-1.5m40Aup to 7m
6mm²up to 5mup to 5m50A1.0-2.5m1.0-2.5m40Aup to 10m
10mm²up to 8mup to 8m50A2.0-4.0m2.0-4.0m40Aup to 16m
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Product Visuals

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Charging Process

1. Boost Charge Charges with maximum current until the battery reaches the constant voltage threshold. Refer to battery specific parameters for boost voltages.
2. Constant Voltage Charge As voltage reaches the boost level, current begins to decrease. This stage lasts for approximately 2 hours to ensure deep saturation.
3. Floating Charge After constant voltage charging, the system maintains a lower floating voltage to keep the battery at 100% without overcharging.
4. Intelligent Bypass If the battery voltage is already >12.6V, the constant voltage stage is bypassed, and the unit proceeds directly to floating charge.

Frequently Asked Questions

What types of batteries can this charger support?
The charger is compatible with 12V Gel, Sealed, Flooded, LiFePO4, and Lithium-Ion (NCM) batteries.
Does it support both Solar and Alternator charging?
Yes, it features dual inputs allowing you to charge from either a 12V vehicle battery (B2B) or a solar panel array via the built-in MPPT controller.
Is there a mobile app available for monitoring?
Yes, the charger supports Bluetooth connectivity (optional) and offers a free app for real-time monitoring of the charging status.
Can it be used in marine environments?
Absolutely. It is specifically designed for RVs, campers, and ships where multi-source charging is required.
What happens when the battery is nearly full?
The charger automatically switches from Boost/Constant Voltage mode to Floating Charge mode to maintain the battery safely.
Is a temperature sensor included?
Temperature sensor support is available and offered as an optional feature to enhance charging safety based on environmental conditions.

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