Victron SmallBMS f/Smart LiFePO4 Batteries w/M8 [BMS400100000]
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Victron SmallBMS f/Smart LiFePO4 Batteries w/M8 [BMS400100000]

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SmallBMS for Smart LiFePO4 Batteries with M8

A simple and low-cost alternative to the VE.Bus BMS. The smallBMS can replace the VE.Bus BMS in several applications. It is however not suitable for use with VE.Bus MultiPlus and Quattro inverter/chargers: it has no VE.Bus interface.

The smallBMS is intended for use with Victron Smart LiFePo4 batteries with M8 circular connectors. The smallBMS has three outputs, similar to the VE.Bus BMS. Load Disconnect output The Load output is normally high and becomes free-floating in case of the cell under voltage (default 2,8V/cell, adjustable on the battery between 2,6V and 2,8V per cell). Maximum current: 1A. The Load output is not short-circuit protected.

The Load output can be used to control:

  • A high current relay or contactor.
  • The remote on/off the input of a Battery Protect, inverter or DC-DC converter, or other loads.

Pre-alarm output

The pre-alarm output is normally free-floating and becomes high in case of the imminent cell under voltage (default 3,1V/cell, adjustable on the battery between 2,85V and 3,15V per cell). Maximum current: 1A (not short circuit protected).

The minimum delay between pre-alarm and load disconnect is 30 seconds.

Charge disconnect output

The Charger output is normally high and becomes free-floating in case of imminent cell overvoltage or over-temperature. Maximum current: 10mA. The Charger output is not suitable to power an inductive load such as a relay coil. 

The Charger output can be used to control:

  • The remote on/off of a charger
  • A Cyrix-Li-Charge relay
  • A Cyrix-Li-ct Battery Combiner

System on/off input

The system on/off input controls both outputs. When off, both outputs will be free floating so that loads and chargers are turned off. The System on/off consists of two terminals: Remote L and Remote H. A remote on/off switch or relay contact can be connected between L and H. Alternatively, terminal H can be switched to battery plus, or terminal L can be switched to battery minus.

Protects 12V, 24V and 48V systems

Operating voltage range: 8 to 70V DC.

LED indicators:

  • Load ON (blue): Load output high (cell voltage >2.8V, adjustable on the battery).
  • Temp or OVP (red): Charger output free floating (due to cell over temperature (>50°C), cell under temperature (<5 °C) or cell over voltage).
Please contact your dealer for any returns, repairs or support issues related to this product.
Quick Guide (pdf)
Brochure (pdf)

SmallBMS for Smart LiFePO4 Batteries with M8

A simple and low-cost alternative to the VE.Bus BMS. The smallBMS can replace the VE.Bus BMS in several applications. It is however not suitable for use with VE.Bus MultiPlus and Quattro inverter/chargers: it has no VE.Bus interface.

The smallBMS is intended for use with Victron Smart LiFePo4 batteries with M8 circular connectors. The smallBMS has three outputs, similar to the VE.Bus BMS. Load Disconnect output The Load output is normally high and becomes free-floating in case of the cell under voltage (default 2,8V/cell, adjustable on the battery between 2,6V and 2,8V per cell). Maximum current: 1A. The Load output is not short-circuit protected.

The Load output can be used to control:

  • A high current relay or contactor.
  • The remote on/off the input of a Battery Protect, inverter or DC-DC converter, or other loads.

Pre-alarm output

The pre-alarm output is normally free-floating and becomes high in case of the imminent cell under voltage (default 3,1V/cell, adjustable on the battery between 2,85V and 3,15V per cell). Maximum current: 1A (not short circuit protected).

The minimum delay between pre-alarm and load disconnect is 30 seconds.

Charge disconnect output

The Charger output is normally high and becomes free-floating in case of imminent cell overvoltage or over-temperature. Maximum current: 10mA. The Charger output is not suitable to power an inductive load such as a relay coil. 

The Charger output can be used to control:

  • The remote on/off of a charger
  • A Cyrix-Li-Charge relay
  • A Cyrix-Li-ct Battery Combiner

System on/off input

The system on/off input controls both outputs. When off, both outputs will be free floating so that loads and chargers are turned off. The System on/off consists of two terminals: Remote L and Remote H. A remote on/off switch or relay contact can be connected between L and H. Alternatively, terminal H can be switched to battery plus, or terminal L can be switched to battery minus.

Protects 12V, 24V and 48V systems

Operating voltage range: 8 to 70V DC.

LED indicators:

  • Load ON (blue): Load output high (cell voltage >2.8V, adjustable on the battery).
  • Temp or OVP (red): Charger output free floating (due to cell over temperature (>50°C), cell under temperature (<5 °C) or cell over voltage).
Please contact your dealer for any returns, repairs or support issues related to this product.
Quick Guide (pdf)
Brochure (pdf)

Return & Refund Policy

 Thank You for shopping at Shop CDN Marine.

 If you are not entirely satisfied with your purchase, we are here to help you.

 

 Manufacturer Support

 Before you return your item, many manufacturers have extensive service centers that can support most product issues. If you need help reaching a manufacturer contact us: ShopCDN@cdnmarine.com

 

Returns

 You have 20 calendar days to return an item from the date you received it.

 To be eligible for a return, your item must be un-opened and in its original packaging.

 You must present the original receipt or proof of purchase at the time of the return.

 We will not be able to accept returns on special order items.

 Return Merchandise Authorization (RMA) numbers are required for all returns.

To obtain an RMA number, please send an email to: ShopCDN@cdnmarine.com

 

You can make returns right to our to store.

 In-store returns can be made at 303 Brennan Concourse Bayville NJ, 08721. You must have proof of purchase and RMA number prior to visiting store.

 

 Refunds

 Once your item is received at the store will notify you of its arrival. It will inspected to make sure it meets all return/refund requirements. Shortly after we will be able to notify you on the status of your refund.

 If your return is approved, we will initiate a refund to your credit card (or original method of payment).

 The time frame of when you receive your refund back to your card is contingent on the individual banking/credit institutions and not at the discretion of CDN Marine.

 

 Shipping

 You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are nonrefundable.

 If you receive a refund, the cost of original shipping will be deducted from your refund.

 

 

 Contact Us

 If you have any questions on how to return your item to us, contact us at: ShopCDN@cdnmarine.com