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Product - Solar Batteries - MNRE approved (20Ah-200Ah, 12V)

GEM has launched its solar flooded tubular monobloc batteries designed to offer reliable, consistent and low maintenance power for renewable energy requirements. These batteries can be subject to deep cycle applications and minimum maintenance in rural and power deficit areas. The batteries have a capacity to withstand partial state of charge (PSOC) operation. These monobloc batteries are available in 12 Volts from 20Ah to 150 Ah @ C10 at 27⁰C to 1.80 vpc.

GEM has also developed a 2- volt range of tubular batteries from 200Ah to 600Ah for solar photovoltaic applications having a design life of ten years plus. However, the life of the battery is dependent on the ambient temperatures and the number of times it is cycled and the depth of discharge.

These solar batteries have been developed keeping in mind the various parameters peculiar to India by a team of scientist and engineers at a R&D facility dedicated to electrochemical research at our works in Baddi, Himachal Pradesh.

GEM decided to develop these solar batteries keeping in mind the increased awareness and public spending in the field of new and renewable energy for applications in household lighting, street lighting and in rural and urban cellular telecom installations. We expect a significant shift in the telecom industry towards use on non-conventional energy due to increased operational expenses. Increased government incentives and subsidies will, in the next couple years, lead to increased spending by governmental agencies in the new and renewable energy.

Our batteries are designed to give long life in cyclic operations and extremely long intervals in topping up and even total freedom from maintenance.

While, our batteries are approved by MNRE, GEM continues to experiment with new and improved alloys and manufacturing technologies to enhance the life of our solar batteries, reduce topping up, etc.

Model Wise Capacity & Dimension

TYPE Capacity @ C10 rating (AH) Nominal
Voltage (v)
Constant Current charge Trickle Current (ma) Dimensions (mm)
Min Max L W H
GSTL-20 20 12 2.5 20 80 305 170 230
GSTL-40 45 12 4.5 45 160 405 175 240
GSTL-60 60 12 6.0 60 240 405 175 240
GSTL-75 75 12 7.5 75 300 500 216 255
GSTL-100 100 12 10 100 600 500 216 255
GSTL-150 150 12 15 150 800 515 275 265

Key Advantages

  • Extremely high purity, corrosion-resistant proprietary Spine alloy ensures longer life.

  • Extremely superfine void-free grain structure ensures corrosion resistance and high operational life.

  • World-class spine manufacturing process using state-of-the-art ZIBO pressure die-casting machines.

  • Extra-strong, flexible oxidation-resistant gauntlet for higher performance and extremely long cycle life.

  • Highly puncture-resistant DARAMIC-USA separator minimizes the possibility of internal short circuits.

  • Equally spread positive active material for better functioning and very low top-up

  • Extra-strong, flexible, oxidation-resistant Gauntlet

  • Highly puncture-resistant DARAMIC-USA separator to prevent short-circuits Better and quick charge acceptance

  • Design-cycle life of over 1250 cycles at 80% Depth of Discharge (DOD)*
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