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smallBMS with pre-alarm

Q: Victron has a different product with physical pre-alarm output. this one has no pre-alarm, as pictured? why title and description is wrong?

You may be confusing this item with the bigger BMS units by Victron. I assure you this unit is a miniBMS unit with a pre-Alarm system built in to a smaller form factor unit and size. To prove it look at the following link from Victron's website and if you think they are wrong in their title and description please feel free to bring it up with them. https://www.victronenergy.com/battery-management-systems/minibms

Q: I built a 5p 4s lfp battery out of 10 amp hour headway lfp cells, 20 of them. i need a reliable bms. is there some way i can make the connections?

I would recommend the larger BMS for that type of setup.

Q: Wrong product? it's without pre-alarm. title and description is incorrect

No its not. The pre-alarm function is fulfilled by the LED's and the pattern in which they blink giving you an error code. If you want the alarm to go off as a buzzer, siren, or email notification that's what the alarm outputs are for. It is on the consumer to install those extra items themselves.

Product ID: 568507776

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⏳30-second pre-alarm delay for early low-voltage warning

⚡Load disconnect protection on cell undervoltage

🔋All-in-one BMS for Victron Lithium Smart batteries

Frequently Bought Together

Victron Energy smallBMS Battery Management System with pre-alarm

Victron Energy Smart 12.8-Volt 200Ah LiFePO4 Lithium Battery

Description

⚡ Stay powered, stay ahead — smart battery safety redefined!

SIMPLE INTEGRATION - Plug-and-play design without VE.Bus interface complexity
RELIABLE PERFORMANCE - Engineered to protect your energy investment with minimal fuss
ENHANCED BATTERY SAFETY - Automatic load disconnect safeguards battery health during undervoltage
PROACTIVE PRE ALARM SYSTEM - Early warning with a 30-second delay to prevent sudden power loss
SEAMLESS BATTERY MANAGEMENT - Compact, cost-effective BMS tailored for Victron Lithium Smart batteries

The Victron Energy smallBMS with pre-alarm is a streamlined, budget-friendly Battery Management System designed specifically for Victron Lithium Smart batteries. It features a pre-alarm output that triggers a visible or audible warning 30 seconds before load disconnect activates due to low cell voltage, ensuring proactive battery protection without VE.Bus interface compatibility.

Specifications

Item Package Dimensions L x W x H	6.77 x 5.51 x 1.97 inches
Package Weight	0.12 Kilograms
Item Dimensions LxWxH	4.17 x 1.65 x 0.91 inches
Item Weight	1 Grams
Brand Name	Victron Energy
Warranty Description	Warranty
Model Name	Victoron_Energy Unisex Adult NBA-540 SMALLBMS, Multicoloured, Mini BMS BMS400100000
Color	multi-coloured
Material	Plastic
Suggested Users	unisex-adult
Number of Items	1
Manufacturer	VICTRON_ENERGY
Part Number	BMS400100000
Included Components	Victoron_Energy Unisex Adult NBA-540 SMALLBMS, Multicoloured, Mini BMS BMS400100000
Size	Mini BMS BMS400100000

Have a Question? See What Others Asked

Victron has a different product with physical pre-alarm output. this one has no pre-alarm, as pictured? why title and description is wrong?

I built a 5p 4s lfp battery out of 10 amp hour headway lfp cells, 20 of them. i need a reliable bms. is there some way i can make the connections?

Wrong product? it's without pre-alarm. title and description is incorrect

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