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

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Product Description

Basic Specifications
Model NO.
B2B1230
Charger Application
Standard Battery, RV, Vehicle
Nominal Voltage
12V
Charger Style
Solar Charger
Compatible Battery
12-Volt
Certification
RoHS, CE, E-MARK
Product Name
DC & MPPT Solar Charger
DC Output
30A
Feature
Dual Input
Charge Battery Type
Gel, Sealed, Flooded, LiFePO4, Lithium-Ion
Bluetooth
Support and Optional
Specification
19*19.4*7cm
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, specially designed for RVs, campers, and marine applications.

  • BS126030: B2B: 12V-12V/60A, MPPT solar charger: 12V/30A, 430W
  • BS123020: B2B: 12V-12V/30A, MPPT solar charger: 12V/20A, 250W
  • Supports Free APP monitoring via Bluetooth (Optional)
  • Temperature Sensor support (Optional)
Technical Data

Model: 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 (+/-)
4mm2______up to 4m
6mm2______up to 6m
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_

Model: 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 (+/-)
2.5mm2______up to 4.5m
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
Product Gallery
Charging Process
Boost Charge: Charges at maximum current until the battery voltage reaches the constant voltage threshold.
Constant Voltage Charging: When the boost voltage is reached, current begins to fall. This stage typically lasts for 2 hours.
Voltage Check: If the battery voltage is > 12.6V, constant voltage charging is bypassed, moving directly to floating charge.
Floating Charge: Maintains the battery at a stable floating voltage with decreased current to ensure long-term maintenance.
Frequently Asked Questions
What types of batteries can this charger handle?
This charger is compatible with Gel, Sealed, Flooded, LiFePO4, and Lithium-Ion (NCM) batteries.
Does it support both solar and vehicle alternator charging?
Yes, it features dual input, allowing you to charge via a 12V vehicle battery (B2B) or a solar panel via the built-in MPPT controller.
Can I monitor the charging status on my smartphone?
Yes, the charger supports an optional Bluetooth module and a free app for real-time monitoring.
Is this charger suitable for marine use?
Absolutely. It is specifically designed for RVs, campers, ships, and other mobile vehicle applications.
What safety certifications does the product hold?
The product is certified with RoHS, CE, and E-MARK standards, ensuring high safety and quality.
What is the maximum solar input power?
For the BS126030 model, it supports up to 430W solar input, and for the BS123020 model, it supports up to 250W.

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