Page 21 - CARBEST 2024 EN

BATTERY CHARGER BOOSTER 12V / 30 A

LEAD ACID EURO BLUE
12V 30 A AGM 5/6 TOOTH
GEL
LiFePO4 READY ECE R10
147 mm 118 mm
• Very compact design
• Optimizes battery charging & compensates for power losses
• Suitable for lead-acid / AGM / GEL / LiFePO4 batteries a
• Ideal for vehicles with intelligent alternator (Euro 5/6) 41 mm
• Bluetooth-capable with Bluetooth module 851007
Optimum charging of on-board battery while driving. High charging capacity
without loss of power is guaranteed even for shorter journeys.
Technical data:
Input voltage: 12 V, charging capacity: 30 A, battery capacity: 45 - 280 Ah, 147 mm
weight: 0.46 kg. 821822 159,90

Optional accessories: a b
a Bluetooth module with 3m cable
(free app for Android and iOS) 851007 29,90
b Temperature sensor with 3m cable 851004 10,30

BATTERY CHARGE BOOSTER 25 A 40 A

WITH INTEGRATED 18 A REFRIGERATOR OUTPUT

IUoU
18 A
12V 25 A REFRIGE- LEAD ACID CHARGING EURO 25 A
AGM
5/6
40 A
GEL
RATOR-
CARAC-
OUTPUT
LITHIUM
TERISTICS
ECE R10
• Charging characteristic: IUoU 40 A
• For vehicles with intelligent alternator (Euro 6 suitable)
• Operation with / without D+ signal
• Built-in fuses (B1, B2 and refrigerator)
• Uncomplicated plug & play installation
The battery charging boosters from CARBEST with 25A or 40A power charge
your on-board or secondary battery quickly and reliably while driving.
The IUoU charging characteristic supplies battery with constant current &
voltage matched to it. After reaching charging end voltage, the changeover
to float charge takes place.
This compensates for the self-discharge of the battery.
Via the special, integrated 18A refrigerator output, an absorber or
compressor refrigerator can be supplied directly from the charge booster
with power.

When the engine is running and/or the starter battery B1 is relatively
charged, the output of the refrigerator is fed directly from B1. When the
engine is at standstill and/or the starter battery B1 is relatively low
charged, the output of the refrigerator is switched off or fed by B2, 200 mm
depending on the setting of DIP switch No. 3. 179 mm
Operating temperature range: +10°C to +50°C. Integrated undervoltage
and overvoltage protection as well as reverse polarity protection.
Dims.: L x W x H 200 x 142 x 72.5 mm, Weight: 1.1 kg 25 25
DC-DC Booster 25 A 821820 205,-- 40 40 40 40 142 mm
DC-DC Booster 40 A 821821 299,-- 30 30 30 30 72,5 mm

Connection diagram - Absorber
≤ 18 A - Compressor

B1 ≤ 45 A D+
Starter battery
B1 ≤ 25 A - Lead acid
Alternator Fuse ≤ 40 A B2 - AGM
B2 Board battery - Gel
- Lithium
Fuse
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