Product details

In municipal engineering, this battery is revolutionizing road lighting maintenance. Its maintenance-free design eliminates the need for regular watering, while the IP55 protection rating withstands rain and snow, coupled with B7 standard terminals for rapid deployment. Wind farm operational data shows monitoring systems equipped with GBS12/33 maintained a 98.6% uptime during continuous rainy weather. With its 11.3kg lightweight design gaining traction, it has even become a popular choice for golf cart power upgrades—supporting 36-hole courses on a single charge and spanning 8 seasons of battery life.The Zelus GBS12/33B.B. battery redefines industrial power reliability with its gel electrolyte technology. By combining sulfuric acid with silica fume to form a stable gel, this VRLA battery completely resolves the issues of electrolyte evaporation and leakage found in traditional batteries, making it particularly suitable for scenarios requiring long-term stable power supply. With 12V voltage and 33Ah capacity (3-hour rate), along with a compact design weighing only 11.3kg (dimensions 195×129×178.6mm), it can be flexibly installed horizontally or vertically, easily integrating into solar power station mounts or traffic signal control boxes.In high-temperature environments up to 50°C, the gel medium rapidly conducts internal heat to the casing, working in tandem with a precise pressure valve control system to extend the battery's cycle life beyond 2,500 cycles—far exceeding that of ordinary lead-acid batteries by over three times. For renewable energy systems requiring deep charge-discharge cycles, the GBS12/33 demonstrates unique advantages. The gel solidification technology effectively prevents acid stratification, and combined with the plate reinforcement process using calcium instead of antimony, it maintains over 93% capacity output even in extreme temperature ranges from -20°C to 60°C.With a monthly self-discharge rate below 2%, the battery retains usable power even after 12 months of warehouse storage, making it particularly suitable as a backup power source for communication base stations in remote areas. Medical equipment users will appreciate its anti-vibration design—certified by Eurobat Europe, the structure can withstand 2.5G vibration acceleration, ensuring uninterrupted power for precision instruments like ECG monitors. In municipal engineering, this battery is transforming the maintenance model of road lighting. Its maintenance-free feature eliminates the need for regular water replenishment, while the IP55 protection rating defends against rain and snow, and B7 standard terminals enable rapid deployment.Operational data from wind farms show that monitoring systems equipped with GBS12/33 maintain a 98.6% online rate even during continuous rainy weather. With the promotion of its 11.3 kg lightweight design, it has even become a popular choice for upgrading golf cart power—a single charge can support the vehicle through 36 holes, with a battery lifespan spanning 8 seasons.

Product Features

  • GBS delivers long cycle life and prolong life in elevated ambient temperatures
  • The generated heat can easy flow to the case walls because the whole volume of the cell is filled with gel
  • The immobilization of the electrolyte in the gel makes acid stratification impossible
  • Maintenance free(no water topping-up required)
  • Low self-discharge rate, lower than 2% capacity loss per month
  • A small distribution of the special valve opening and closing pressure is important for a good (cycle) life time of the battery
  • Strengthened rib design to maintain structural integrity

Application Scenarios

  • Medical equipment
  • Lawnmowers
  • Golf cars
  • Telecommunication facilities
  • Alternative energy sources
  • Electrical supply network and power industry
  • Street lighting and traffic lights
  • Electric vehicles
  • Data processing centres
  • Floor cleaning equipment

Product parameters

  • ModelGBS12/33
  • Voltage12 V
  • Nominal capacity (Ah) 103-hour rate33
  • Weight kg11.3
  • Weight lbs24.91
  • Standard terminal typeB7
  • Standard terminal position-
  • Optional terminal typeI2
  • Optional terminal position-
  • Length L mm195
  • Length L inches7.68
  • Width W mm129
  • Width W inches5.08
  • Height H mm168
  • Height H inches6.64
  • Total height TH mm178.6
  • Total height TH inches7.03
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