£56.94 inc VAT - £47.45 exc VAT
The AES-BGM40 Battery Guard is a microprocessor-controlled, solid-state switch designed to protect batteries from excessive discharge or overvoltage. Using advanced MOSFET technology, it offers reliable, efficient control of power to connected loads in both 12V and 24V systems, with automatic voltage detection.
The unit constantly monitors battery voltage and activates an alarm output if the voltage drops too low for more than 15 seconds. This output can be connected to a buzzer or indicator lamp. If the voltage remains low for another 60 seconds, the Battery Guard disconnects the load to prevent deep discharge. In the case of excessive voltage, it disconnects the load immediately and triggers an alternating alarm signal. Compact and dependable, this device includes overload, short circuit and overvoltage protection, and allows user-adjustable undervoltage thresholds.
AES Battery Guard MOSFET AES-BGM40 40A 12/24V
The AES-BGM40 Battery Guard is a microprocessor-controlled, solid-state switch designed to protect batteries from excessive discharge or overvoltage. Using advanced MOSFET technology, it offers reliable, efficient control of power to connected loads in both 12V and 24V systems, with automatic voltage detection.
The unit constantly monitors battery voltage and activates an alarm output if the voltage drops too low for more than 15 seconds. This output can be connected to a buzzer or indicator lamp. If the voltage remains low for another 60 seconds, the Battery Guard disconnects the load to prevent deep discharge. In the case of excessive voltage, it disconnects the load immediately and triggers an alternating alarm signal.
Compact and dependable, this device includes overload, short circuit and overvoltage protection, and allows user-adjustable undervoltage thresholds.
Key features:
Nominal input voltage: 12V (7V–19V) / 24V (19V–32V), auto-detect
Nominal output voltage: equal to input voltage
Peak current: 120A
Max output current: 45A
Continuous output current: 40A
Overload protection: 45A
Short circuit protection: integrated in driver
Overvoltage protection: 16V (12V system), 32V (24V system)
Undervoltage protection: user adjustable
Ideal for automotive, marine and off-grid power systems, the AES-BGM40 ensures extended battery life and safe operation of connected devices.
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We aim to ship products as quickly as possible. If an order is received before 3 p.m. for any items we hold in stock, dispatch will be the same day.
We use DPD and a next working day service, meaning you should receive your order the following day.
- Free delivery on orders over £75!
- UK Mainland (excluding Northern Ireland): £5.99 (inc. VAT)
- Northern Ireland: Please, speak to a staff member for a quote.
We aim to ship products as quickly as possible. If an order is received before 3 p.m. for any items we hold in stock, dispatch will be the same day.
For all stocked items we can usually pick and pack for dispatch the same day or next morning.
For items we do not hold in stock, we try our upmost to dispatch the items within 2 – 3 working days. However, we will advise of any changes in lead time by email or phone.
We hold a huge range of Harnessflex items in stock. However, any non stocked items, or out of stock items, can usually be obtained rapidly.
Yes. We offer bespoke labeling and packaging on all products.
Yes, we do! Please contact a member of our staff to process your order.
In the unlikely event that your order hasn’t arrived within the time as stated at the point of order please contact us and we will investigate immediately.
You can also track your shipment here – https://track.dpd.co.uk/
Inform both the carrier and us immediately. Retain the damaged packaging in case the carrier needs to see it. We will organise replacement goods and take care of the problem from there on.
Inform us and we will rectify the problem immediately.
We hold a huge range of Harnessflex items in stock. However, any non stocked items, or out of stock items, can usually be obtained rapidly.
We provide drawings and downloadable datasheets for each product in the catalogue section where possible.
We can email or post datasheets upon request.
Yes. As AES is a stockist distributor, we can offer our customers varied and low minimum order quantities.
Absolutely! We’ll be happy to locate the part for you and ensure it’s available as quickly as possible.
Please reach out to us at [email protected] or call us at 01924 364 464.
Yes, we do! We’re happy to provide competitive bulk pricing for contractors and fleet maintenance providers. You can also set up an account with us for added convenience and exclusive benefits. Contact us at [email protected] or call us at 01924 364 464 to discuss your needs and get started!
Yes, we do! For international orders, we have a dedicated export website to make the process seamless. Visit https://www.aes-export.com/ to explore our range of products and place your order
The AES-BGM60 Battery Guard is a high-capacity, microprocessor-controlled MOSFET switch designed to protect batteries in both 12V and 24V systems. It prevents deep discharge and overvoltage damage by continuously monitoring battery voltage and automatically disconnecting connected loads when critical thresholds are reached.
When the battery voltage falls below a preset level for more than 15 seconds, the unit activates an alarm output, which can be linked to a buzzer or indicator light. If the voltage remains low for a further 60 seconds, the load is disconnected to protect the battery. In the event of excessive voltage, the load is immediately disconnected and the alarm alternates on and off. With automatic voltage detection, robust short-circuit and overload protection, and a user-adjustable undervoltage setting, the AES-BGM60 offers reliable performance for high-demand applications.
On orders over £75.
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