Charging booster B2B charger 12V 60A
- Charges the supply battery via the alternator and the starter battery.
- Specially developed for motorhomes & boats.
- Suitable for all battery technologies (lithium, gel, AGM, lead-acid)
- Several protective functions such as overheating protection, overvoltage protection, short-circuit protection and protection against faulty connections.
- Automatic wake-up of the lithium battery when the BMS is in protection mode
Note: Each connection terminal of the booster is internally protected by a flat fuse. When installing the booster, you therefore do NOT need a separate fuse (external).
Available B2B controllers:
- Free shipping within Germany
235,21 € incl. VAT 0% MwSt. - § 12 Abs. 3 UStG
(235,21 € exkl. MwSt.)
In stock –
Delivery time 2-3 working days
In stock – ready to ship
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The battery while driving Load optimally
Supervolt B2B LifePO4 charging booster
For all Supervolt batteries
| Battery capacity (Ah) | Charging time at 30A (hours) | Charging time at 60A (hours) |
| 60 | 2 | 1 |
| 100 | 3,33 | 1,67 |
| 150 | 5 | 2,5 |
| 200 | 6,67 | 3,33 |
| 300 | 10 | 5 |
| 480 | 16 | 8 |
A charging booster in a motorhome is used to optimally charge the on-board battery or the body battery while driving. There are usually two battery systems in a motorhome or camper: the starter battery for the engine and one or more body batteries to supply the living areas with electricity. These body batteries power the lighting, refrigerator, heating, water pumps and other electrical appliances in the living area.
The charging booster, also known as a B2B charger (battery-to-battery), is installed between the alternator (or starter battery) and the body battery. It has several important functions:
- Voltage boost: The alternator often does not supply the optimum charging voltage for the body battery, especially in modern vehicles with intelligent alternator control, which can reduce the voltage to save fuel. The charge booster increases the voltage to the level required to fully charge the body battery.
- Safe charging: Our booster ensures correct charging tailored to the battery type, which extends the service life of the batteries. The charging booster adjusts the charging current and charging voltage according to the charging status and the type of body battery (e.g. lead-acid, AGM, gel or lithium).
- Separation of the battery systems: The charging booster prevents the starter battery from being discharged by consumers in the living area by electrically separating the two battery systems when the engine is not running.
- Efficient charging: It enables more efficient and faster charging of the body battery while driving, which is particularly important if you are on the road a lot and are rarely connected to shore power.
- Multiple charging phases: Our modern charging boosters have several charging phases (e.g. bulk, absorption, float), which ensure gentle and effective charging of the body batteries.
| Electrical properties | |
|---|---|
| Nominal battery voltage (DC) | 12 V |
| Supply battery Nominal capacity | 90 – 560 Ah |
| Starter battery Nominal capacity min. | 100 Ah |
| Charging current Batt. I max. | 60 A |
| Start II” input voltage range | 10,5 – 16 V |
| Input overvoltage cut-off “Start II”, max. | 16,5 V |
| Activation control input “D +” | 8 – 16 V |
| Overvoltage protection of the main battery | 15,5 V |
| Internal consumption | 24 mA |
| Mechanical properties | |
|---|---|
| Dimensions (L × W × H) | 240 × 190 × 70 mm |
| weight | 1,54 kg |
| Temperature range | -20 to 50 °C |
| Ambient conditions, humidity | max. 95 %, non-condensing |
| Certifications | CE (EMV & LVD), E-mark (ECE R10 vehicle approval), RoHS |
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