Victron Energy Smart Lithium LiFePO4 12V battery 50Ah full cycle Bluetooth BMS

Victron Lithium Smart 50Ah LiFePO4 battery is smaller and lighter than lead acid batteries. Incredibly robust with very long cycle life and very deep discharge available. Connect via bluetooth to your smart phone to view discharge current and power, discharge duration, cycles and more.



EAN: 8719076051633 SKU: 1512 Categories: , , Tags: ,


9 in stock


Lithium Smart battery 12,8V 50Ah

  • With integrated cell balancing
  • Can be parallel and series connected
  • Bluetooth app available to monitor cell voltage and temperature
  • VE.Bus BMS – recommended for systems with our inverter/chargers
  • miniBMS – recommend for use in small systems
  • Battery Management System BMS 12/200 – recommend for use in Automotive and Marine systems having DC-loads and Alternators
  • Smart BMS CL 12/100 – recommended for use in Automotive and Marine systems having DC-loads and Alternators.

Lithium-iron-phosphate (LiFePO4 or LFP) is the safest of the mainstream li-ion battery types. The nominal voltage of a LFP cell is 3,2V (lead-acid: 2V/cell). A 12,8V LFP battery therefore consists of 4 cells connected in series; and a 25,6V battery consists of 8 cells connected in series.


A lead-acid battery will fail prematurely due to sulfation: • If it operates in deficit mode during long periods of time (i.e. if the battery is rarely, or never at all, fully charged). • If it is left partially charged or worse, fully discharged (yacht or mobile home during wintertime). A LFP battery does not need to be fully charged. Service life even slightly improves in case of partial charge instead of a full charge. This is a major advantage of LFP compared to lead-acid. Other advantages are the wide operating temperature range, excellent cycling performance, low internal resistance and high efficiency (see below). LFP is therefore the chemistry of choice for demanding applications.


In several applications (especially off-grid solar and/or wind), energy efficiency can be of crucial importance. The round-trip energy efficiency (discharge from 100% to 0% and back to 100% charged) of the average leadacid battery is 80%. The round-trip energy efficiency of a LFP battery is 92%. The charge process of lead-acid batteries becomes particularly inefficient when the 80% state of charge has been reached, resulting in efficiencies of 50% or even less in solar systems where several days of reserve energy is required (battery operating in 70% to 100% charged state). In contrast, a LFP battery will still achieve 90% efficiency under shallow discharge conditions.

Size and weight

Saves up to 70% in space Saves up to 70% in weight


LFP batteries are expensive when compared to lead-acid. But in demanding applications, the high initial cost will be more than compensated by longer service life, superior reliability and excellent efficiency.  Cycle life 2500 cycles at 80% DOD, 5000 cycles at 50% DOD.


With Bluetooth cell voltages, temperature and alarm status can be monitored. Very useful to localize a (potential) problem, such as cell imbalance

Battery Specification

  • Nominal voltage 12,8 V
  • Nominal capacity @ 25°C* 50 Ah
  • Nominal capacity @ 0°C* 40 Ah
  • Nominal capacity @ -20°C* 25 Ah
  • Nominal energy @ 25°C* 640 Wh

*Discharge current ≤1C

Cycle Life (capacity ≥ 80 % of nominal)

  • 80 % DoD 2500 cycles
  • 70 % DoD 3000 cycles
  • 50 % DoD 5000 cycles


  • Maximum continuous discharge current 100A
  • Recommended continuous discharge current ≤50 A
  • End of discharge voltage 11,2V
  • Internal resistance 2mΩ

Operating Conditions

  • Operating temperature Discharge: -20°C to +50°C Charge: +5°C to +50°C
  • Storage temperature -45°C to +70°C
  • Humidity (non-condensing) Max. 95 %
  • Protection class IP 22


  • Charge voltage Between 14 V and 14,4 V (14,2 V recommended)
  • Float voltage 13,5 V
  • Maximum charge current 100A
  • Recommended charge current ≤30 A


  • Can be placed on their sides Yes 2)


  • Max storage time @ 25°C1) 1 year
  • BMS connection Male + female cable with M8 circular connector, length 50cm
  • Power connection (threaded inserts) M8
  • Dimensions (hxwxd) mm 199 x 188 x 147
  • Weight 7kg

1) When fully charged

2) The lithium battery can be mounted upright and on its side, but not with the battery terminals facing down

Data Sheet

Additional information

Weight10.00 kg


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