Stecamat 861 ES

Processor-controlled charger/discharger for lead batteries


The Stecamat 861 ES battery charger is equipped with a 140 W discharge stage. It can recharge 12 V batteries with an output of 720 W or discharge, charge and evaluate the battery in an automated test cycle.

To customise the current, voltage, time and ideal monitoring of your battery, the Stecamat 861 ES battery charger offers both a choice of pre-programmed battery charging characteristics and the option to enter your own characteristics. This also allows pre-damaged or deeply discharged batteries to be treated, making a long service life possible with the Stecamat 861 ES. A backlit display gives you quick information about the charging status.

The extensive equipment and the solutions tailored to your application ensure maximum flexibility in use. This equipment and the easy operation ensure seamless operation.

Stecamat 861 ES technische Zeichnung


Product features

  • IP 65 jet waterproof casing
  • Battery processing for wet, gel and AGM batteries possible
  • Charges 12 V lead-acid batteries (max. 50 A)
  • Adjustable rated capacity determines the maximum charging current
  • Charging below the gassing voltage
  • Features 2 pre-set and 4 programmable charging characteristics
  • Automated testing for 12 V lead-acid batteries (charge – discharge – charge)
  • 12 V discharging stage with 10 A discharge current (you can select between 2.5 A, 5 A and 10 A)
  • Capacity detection of 12 V lead-acid batteries
  • Suitable for treating deep-discharged batteries
  • Potential-free contact for ventilator control of the battery room venting system

Electronic protection functions

  • Protection in the case of wrong or damaged batteries
  • Battery overcharge protection
  • Charger output protected against short circuits, reverse polarity and overvoltage
  • Surge protection in on-board power supplies


  • Multifunction graphical LC display with backlighting
  • for voltage, current, charged capacity (charging) spent capacity (discharging) charging phase, test phase, menu


  • Mains grid switch
  • Four cursor buttons for menu selection
  • Capacity test cycle: charge, discharge, charge


  • Control contact for ventilation control system in accordance with DIN EN 50272


  • IO box with mains plug and relay for ventilator control


  •  Stecamat 861 ES certificate CE · pdf · 0.832 MB
  •  Stecamat 861 ES productdatasheet DE · pdf · 0,966 MB
  •  Stecamat 861 ES productdatasheet EN · pdf · 0.966 MB
  •  Stecamat 861 ES manual Stecamat_STM861ES_Manual_DE · pdf · 2.069 MB
  •  Stecamat 861 ES product pic drawing · jpg, 300 DPI, high quality · 0.254 MB
  •  Stecamat 861 ES product pic drawing · jpg, 72 DPI, web quality · 0.095 MB

Technical data

 861 ES
Charging rated voltage
12 V
Charge current
50 A
End-of-charge voltage
14.4 V
Trickle charge voltage only for charging programme
13.8 V
Max. rated discharge voltage
12 V
Discharge cut-off voltage
10.5 V (10 V … 11 V adjustable)
Discharge current
selectable: 2.5 A / 5 A / 10 A
Characteristic curve
UoIUoIU (charging), UoIUa (testing)
Capacity test cycle
charging / discharging / charging
Grid voltage
230 V AC ±10 %
Frequency range
50 Hz (45 Hz … 65 Hz)
Mains electricity (230 V)
3.7 A
Discharge current during grid failure
1.0 mA
Protection class
aluminium / plastic
Degree of protection
IP 65
Ambient temperature
-20 °C … +60 °C
Cooling principle
Dimensions (X x Y x Z)
226 x 535 x 127 mm
11.5 kg
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