Büttner MT LB24-40 - Battery charger DOMETIC - Free user manual and instructions
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| Product type | Battery charger |
| Brand | Dometic |
| Model | Büttner MT LB24-40 |
| Input power | 230 V AC, 50-60 Hz |
| Nominal output voltage | 24 V DC |
| Maximum output current | 40 A |
| Compatible battery types | Lithium (LiFePO4), AGM, GEL, lead-acid |
| Integrated protections | Overcurrent, overvoltage, reverse polarity, short circuit, overheating |
| Display | Status LED |
| Cooling | Integrated fan |
| Dimensions (L x W x H) | 200 x 150 x 80 mm |
| Weight | 1.2 kg |
| Mounting | Wall mountable |
| Operating temperature | -20 °C to 50 °C |
| Protection rating | IP20 |
| Cleaning | Dry soft cloth, do not use solvents |
Frequently Asked Questions - Büttner MT LB24-40 DOMETIC
What types of batteries can I charge with the Büttner MT LB24-40?
This charger is compatible with lithium (LiFePO4), AGM, GEL, and lead-acid 24 V batteries.
What is the maximum charging power?
The maximum power is 960 W (24 V × 40 A).
How long does it take to charge a 100 Ah battery?
With a current of 40 A, a 100 Ah (lithium) battery charges in about 2.5 hours if empty.
Is the charger waterproof?
No, it has an IP20 protection rating, it should not be exposed to moisture or dust.
Can I use this charger outdoors?
It can be used outdoors if protected from rain and direct moisture. The operating temperature is -20 °C to 50 °C.
What safety protections are integrated?
The charger has protections against overcurrent, overvoltage, reverse polarity, short circuits, and overheating.
How to clean the charger?
Unplug it then wipe it with a dry soft cloth. Do not use chemicals or liquids.
Can the charger remain permanently connected?
Yes, it switches to maintenance (float) mode once the battery is charged, preventing overcharge.
Where can I find spare parts?
Contact Dometic customer service or an authorized dealer to obtain spare parts.
What to do if the LED indicator does not light up?
Check the mains power, connections, and fuses. If the problem persists, contact Dometic technical support.
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USER MANUAL Büttner MT LB24-40 DOMETIC
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Product information
Brand : DOMETIC
Model : Büttner MT LB24-40
Category : Battery charger