Wear eye protection.
When working with batteries, you must
protect your eyes as battery acid splashes
can occur.
Wear hand protection
Hands and arms must be protected when
handling batteries as they could come into
contact with battery acid.
For indoor use only
Due to its design (protection class), this
device may only be used in dry, indoor
areas.
Protection class I
This is a class I device (protective earthing
conductor)
Only connect to circuits with ade-
quate fuse protection
The current required by the device can be
very high (see technical data). The electrical
circuit to which the device is connected must
have adequate fuse protection.
Protection rating IP21
This device is protected against the ingress
of vertically falling water.
General information
1.1 Limitation of liability
All information provided in this operation manual
was compiled taking into account the applicable
standards and regulations, the latest technological
advancements, and our many years of experience
and the knowledge we have acquired during that
time. The manufacturer assumes no liability for
damages due to:
• Failure to comply with this operation manual
• Improper use
• The deployment of untrained personnel
• Unauthorised modifications
• Technical changes
• Use of unauthorised spare parts
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The actual scope of delivery may differ from the
explanations and representations outlined here in
the event of special designs or use of additional
order options, or due to the latest changes in
technology. The obligations agreed in the delivery
contract and our terms and conditions of business,
as well as the delivery conditions of the manufac-
turer and the statutory regulations valid at the time
of conclusion of the contract, apply. We reserve
the right to make technical changes to the product
to improve its performance characteristics and for
reasons of further development.
1.2 Intended use
The BLG 12/24 V – 50 A battery charger is to be
used exclusively for charging rechargeable 12 or
24 V wet-cell batteries (including lead-calcium and
EFB), as well as maintenance-free AGM, gel, fleece
and lithium ion rechargeable batteries, within its
specification and application limits. Non-rechargea-
ble batteries or primary cells must not be connected
to it!
The intended use also includes compliance with this
operation manual. Any use of the device that goes
beyond the intended use or is different is conside-
red misuse and may lead to dangerous situations.
WARNING! Danger due to misuse!
Misuse of the device may lead to dangerous situa-
tions. Therefore:
• Do not operate the device outside of its specifica-
tions and application limits.
• Do not use the device in explosive atmospheres.
• Do not open, change or tamper with the device.
Claims of any type due to damage as a result of
improper use are excluded.