Ultracell 12V 35Ah GEL Batteries
Ultracell 12V 35Ah GEL Batteries

Ultracell UCG35-12 GEL batteries - 35Ah 12V Gel

€89.30
Tax included
UCG35-12
0712971129788

The Ultracell UCG35-12 GEL battery is a 12 V, 35 Ah battery designed for energy storage in small solar systems, including mobile applications (motorhomes, boats). Its gel technology uses a gelled electrolyte and a sealed battery, with a nominal life span of 12 years at 20°C. It measures 195 × 130 × 180 mm and weighs 11.2 kg.

  • Specifications: 12 V, 35 Ah, 195 × 130 × 180 mm, 11.2 kg, internal resistance approx. 0.01 mΩ.
  • Cells: Gel technology (gelled electrolyte) and sealed battery, suitable for deep discharge.
  • BMS + communication: Not applicable, as this is a gel battery (no BMS or communication indicated).
  • Compatibility + scalability: Recommended for use in small photovoltaic systems and portable applications. Nominal service life of 12 years at 20°C, with deep cycling rated for up to 1,200 cycles at 50% discharge.
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Background batterie AGM Ultracell 35Ah

GEL Ultracell 12V 35Ah battery: Ideal for mobile solar systems

Gel batteries 35 amps

Gel batteries are sealed batteries: no maintenance, no need to add distilled water. Greater safety than open lead-acid batteries.
A Gel battery can withstand 100% discharge and recover its rated capacity if the discharged holding time is short. This series has a longer discharge time than other batteries. Its special plate design increases battery life, particularly in warmer temperatures. A separator within the battery enhances its performance. It also has a longer shelf life.

  • Nominal voltage: 12 V
  • Capacity: 35 Ah
  • Dimensions :
  • L 195 x W 130 x H 180 mm
  • Weight: 11.2 Kg

Life cycle versus depth of discharge

Cycle vie batterie Ultracell 35Ah

Comparative table of price per useful kWh over battery life at a glance!

Comparatif des batteries

There are many different storage technologies: Gel or AGM batteries, lithium batteries, OPzS and OPsV. It's not easy to choose the right technology for your needs. Each technology has its own characteristics (size, power, cost, number of cycles and service life, etc.). With this table, you can quickly compare the price per useful kWh over the lifetime of the batteries.

C10 = 10-hour charge/discharge test.
C24 = examination of a charge or discharge in 24 hours.

Click here to see our comparison table.



UCG35-12

Data sheet

Voltage
12V
Technology
Gel
Battery capacity
35Ah
Rated capacity
19.8AH/19.8A - 1 hour, 1.60V/cell, 25°C
28.1 AH/5.61A - 5 hours, 1.75V/cell, 25°C
35.0 AH/3.14A - 10hr, 1.80V/cell, 25°C
36.4 AH/1.65A - 20 hours, 1.80V/cell, 25°C
Internal resistance
Approx 0.01mΩ
Standby use
13.6V ~ 13.8V Temperature coefficient -mV/°C Coefficient -mV/°C
No limit to initial charge current Voltage 13.5V ~ 13.8V at 25°C (77°F) Temperature coefficient Coefficient -20mV/°C
Nominal service life at 20°C
12 ans
Self-discharge
Ultracell batteries can be stored for up to 6 months at 25°C (°77F), after which a new charge is required. For higher temperatures, the time interval will be shorter.
Weight
11.2 kg
Cycle Use
14.4V ~ 15.0V Temperature coefficient -mV/°C Coefficient -mV/°C
Capacity affected by temperature
0°C (32°F) 86%
25°C (77°F) 100%
40°C (104°F) 103%

Specific References

UPC
712971129788
EAN13
0712971129788
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Ultracell UCG35-12 GEL batteries - 35Ah 12V Gel — AGM / GEL battery

Ultracell UCG35-12 GEL batteries - 35Ah 12V Gel by Ultracell is available in our AGM / GEL battery catalog. Technical specifications: voltage: 12V, technology: Gel, battery capacity: 35Ah, rated capacity: 19.8AH/19.8A - 1 hour, 1.60V/cell, 25°C 28.1 AH/5.61A - 5 hours, 1.75V/cell, 25°C 35.0 AH/3.14A - 10hr, 1.80V/cell, 25°C 36.4 AH/1.65A - 20 hours, 1.80V/cell, 25°C, internal resistance: Approx 0.01mΩ, standby use: 13.6V ~ 13.8V Temperature coefficient -mV/°C Coefficient -mV/°C No limit to initial charge current Voltage 13.5V ~ 13.8V at 25°C (77°F) Temperature coefficient Coefficient -20mV/°C, nominal service life at 20°c: 12 ans, self-discharge: Ultracell batteries can be stored for up to 6 months at 25°C (°77F), after which a new charge is required. For higher temperatures, the time interval will be shorter., weight: 11.2 kg, cycle use: 14.4V ~ 15.0V Temperature coefficient -mV/°C Coefficient -mV/°C, capacity affected by temperature: 0°C (32°F) 86% 25°C (77°F) 100% 40°C (104°F) 103%. Product weight: 11.2 kg. Reference: UCG35-12.