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12V DC-DC Battery Charger With Bluetooth Free APP and Meter 20A/30A Automatic Smart B2B Solar Controller |
История изменения цены
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| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Mar-19-2026 | 14692.54 руб. | 15427.29 руб. | 15059.5 руб. |
| Feb-19-2026 | 14568.47 руб. | 15296.30 руб. | 14932 руб. |
| Jan-19-2026 | 12223.10 руб. | 12834.29 руб. | 12528.5 руб. |
| Dec-19-2025 | 14321.6 руб. | 15037.30 руб. | 14679 руб. |
| Nov-19-2025 | 12469.33 руб. | 13092.45 руб. | 12780.5 руб. |
| Oct-19-2025 | 14074.74 руб. | 14778.32 руб. | 14426 руб. |
| Sep-19-2025 | 13951.43 руб. | 14649.11 руб. | 14300 руб. |
| Aug-19-2025 | 13828.43 руб. | 14519.23 руб. | 14173.5 руб. |
| Jul-19-2025 | 13704.12 руб. | 14389.5 руб. | 14046.5 руб. |
Описание товара
12V/30A DC To DC Charger With Bluetooth Automatic Smart B2B Battery Chargers
Description:
1. Suitable for 4 kinds of batteries (lithium battery, lead-acid, gel, open battery).2. Fully automatic charging: In order to continuously charge the battery, the controller can always be connected to the on-board battery. When the charging energy is stopped, such as when the car stops driving or there is no sun at night, the battery will not discharge in reverse.
3. Safe and intelligent charging, multiple protections (overcharge, overdischarge, overheating, reverse polarity protection).
4. An external temperature sensor can be used for charging compensation under different temperature conditions.
5. The charging indicator can be installed externally. When the large current is discharged, the starting battery and the main battery will automatically be used in parallel.
Features:
This is a fully automatic charger that can use the battery (12V) to charge the battery (12V) (B2B), a power supply system designed specifically for RVs, campers, ships, etc.
B2B charging: Refers to charging the main battery through the car generator and starting battery. If it is not used in the car, you can also use one battery (12V) to charge another battery (12V).
1. When the car is running, the car generator can quickly charge the main battery through the controller at full power.
2.The controller can charge the main battery according to the specified current by boosting or stepping down, ensuring that the main battery is charged according to the standard charging curve.
B2B1230: 12V-12V/30A
Specification:
Model: BS123020
B2B charging: 12V-12V/30A,
MPPT solar charging: 12V/20A, 250W
Model: B2B1230
Main Battery: 12V
Main battery type: GEL. Sealed, LiFePO4, Lithium-ionV
Vehicle starter battery: 12V
Starter battery type: lead-acid
Max.charging power: 390W
Main battery max, charger current: 30A
Self-consumption current: 24mA
Dimension: about 190*197*70mm/7.48*7.76*2.76inch
Weight: about 1.44kg
Installation Notes:
1. Please install the charge controller as close to the main battery as possible, and keep the surrounding clean, tidy and well ventilated. To be installed on a hard surface.
2. It must be installed in a moisture-proof, waterproof and corrosion-proof place.
3. When the charging controller is working, the fan will bring out heat, so when installing, make sure to leave at least >10cm behind the charger controller.
4. According to the table, select the specification of the connecting wire, the length and the specification of the fuse. Reverse connection of the battery will cause serious damage to the equipment.
Packing List:
1*Battery Charger
1*Instruction
Bluetooth Accessories:
Features:
This Bluetooth module is an accessory of the solar controller. When the user needs to display the working parameters of the controller through the APP, the Bluetooth module needs to be purchased separately, and the controller sends the working parameters to the mobile phone through the Bluetooth module, through a dedicated APP show.
Connection method:
Insert the connection line of the Bluetooth module into the dedicated Bluetooth interface of the solar controller with Bluetooth communication function, and then fix the module in any position.
Note: The Bluetooth module cannot be installed in a metal shielded place, and the distance from the mobile phone is less than 10 meters
Notes:
1. Mobile phone operating system requirements: for Android version 5.0 or above, for IOS version iphone4.0 or above.
2. The Bluetooth adapter cannot be installed in a metal shielded environment
3. Make sure that the Bluetooth function and location information of the mobile phone are turned on
4. The APP must be run before the device is connected, the APP will automatically search for the device, click the device name to connect to Bluetooth
5. The distance between the Bluetooth adapter and the mobile phone must be less than 106. Only one mobile phone is allowed to connect to Bluetooth at the same time, and the mobile phone needs to be connected, and the connected mobile phone must be exited from the APP
7. Some mobile phones may need to search repeatedly to find the device
Specification:
Model: BT10
Bluetooth version: Bluetooth 4.2
Working voltage: 5V (provided by the controller)
Standby power consumption: <500uA
Length of connection line: 3 meters
Bluetooth distance <10 meters
Interface type XH2.54-4P
Size: about 67*35*20mm/2.64*1.38*0.79inch
APP name: Charger Connect
Packing List:
1*Bluetooth Module1*Instruction
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