Showing 199–216 of 241 results

MTEK Power Duramax MTK2572TT 220Ah/12V Inverter Battery

Product Description:-

MTEK Power Duramax MTK2572TT 220Ah/12V Inverter Battery is a tall tubular battery that uses SABA Tubular Technology to provide longer battery life and consistent performance till the end of cycle life. It is a deep cycle battery, which means it can be discharged and recharged repeatedly without damaging the battery. This battery has a rated capacity of 220Ah, which means it can provide 220 amperes of current for one hour at 12 volts. This is enough power to keep most home appliances running during power outages. The MTEK Power Duramax MTK2572TT 220Ah/12V Inverter Battery also has a number of other features that make it a good choice for home backup power systems, including:
  • All new SABA (Super Alloy and Binder Additives) Tubular Technology for Longer battery life
  • Extended Backup and Faster Recharge
  • Specialized super alloy spines and grids with low antimony content and grain refiner, ensuring ultra-low maintenance with minimal water loss
  • PAN India onsite hassle-free service
  • Battery Details- Type: Tall tubular battery; Capacity: 220Ah/12V; Construction: rugged construction; water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 220Ah;
  • Warranty: 72 Months Total {48 months (flat) + 24 months (pro-rata)}
  • Dimensions: 50.8 x 19.0 x 41.2 cm (±2 mm)
  • Net weight: 67.60 kg (±3%)
  • Back up at 400W: ≥ 5:00 (hr:min)

MTEK Power DuraSMART EB1700+ 140Ah/12V Inverter Battery

Product Description:-

MTEK Power DuraSMART EB1700+ 140Ah/12V Inverter Battery is a tall tubular inverter battery that is designed for use in homes, offices, and shops. It has a capacity of 140Ah and a voltage of 12V, making it ideal for powering a variety of appliances, including fans, lights. The battery features SABA Tubular Technology, which gives it a longer lifespan and makes it more resistant to deep discharges. It also has a low self-discharge rate, so you can be sure that it will be ready to use when you need it. MTEK Power DuraSMART EB1700+ 140Ah/12V Inverter Battery comes with a 36-month warranty, giving you peace of mind knowing that you are covered in case of any problems. Here are some of the key benefits of using the MTEK Power DuraSMART EB1700+ 140Ah/12V Inverter Battery:
  • Long lifespan: The SABA Tubular Technology used in this battery gives it a longer lifespan than other types of batteries.
  • Deep discharge resistance: This battery is more resistant to deep discharges, which means that it can be used for longer periods of time without being damaged.
  • Low self-discharge rate: The battery has a low self-discharge rate, so you can be sure that it will be ready to use when you need it, even if you haven't used it in a while.
  • Warranty: The battery comes with a 36-month warranty, Total {18 months (flat) + 18 months (pro-rata)} giving you peace of mind knowing that you are covered in case of any problems.
  • Extended Backup and Faster Recharge
  • Specialized super alloy spines and grids with low antimony content and grain refiner, ensuring ultra-low maintenance with minimal water loss
  • PAN India onsite hassle-free service
  • Battery Details- Type: Jumbo tubular battery; Capacity: 140Ah/12V; Construction: rugged construction; water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 140Ah;
  • Dimensions: 53.2 x 22.1 x 28.4 cm (±2 mm)
  • Net weight: 42.52 kg (±3%)
  • Back up at 400W: ≥ 2:30 (hr:min)

Load Graph:-

Load and Backup

Home Appliances Back Up in Hrs Approx.
2 Tube light + 2 Fan 3 – 3:30
4 Tube lights + 4 Fans + 1 TV 2:30 – 3:30
2 Tubelight + 4 Fan + 1 PC + 3 CFL 2 – 2:30
5 Tubelight + 6 Fan + 1 TV + 7 CFL 1 – 2:30
 

MTEK Power DuraSMART EB1900+ 160Ah/12V Inverter Battery

MTEK Power DuraSMART EB1900+ 160Ah/12V Inverter Battery is a tubular inverter battery that is designed for use in homes and offices. It has a capacity of 160Ah and a voltage of 12V, making it suitable for powering a wide range of appliances, including fans, lights, TVs, and refrigerators. The battery is made with SABA tubular technology, which provides it with a longer lifespan and better performance than other types of inverter batteries. It is also backed by a 36-month warranty, giving you peace of mind knowing that your battery is protected. Here are some of the key features of the MTEK Power DuraSMART EB1900+ 160Ah/12V Inverter Battery: Better performance: Tubular batteries also offer better performance than flat plate batteries. They can provide more consistent power output and have a lower internal resistance. Deeper discharge: Tubular batteries can also be discharged more deeply than flat plate batteries without damaging them. This means that you can get more use out of your battery before it needs to be recharged.
  • All new SABA (Super Alloy and Binder Additives) Tubular Technology for Longer battery life
  • Extended Backup and Faster Recharge
  • Specialized super alloy spines and grids with low antimony content and grain refiner, ensuring ultra-low maintenance with minimal water loss
  • PAN India onsite hassle-free service
  • Battery Details- Type: Jumbo tubular battery; Capacity: 160Ah/12V; Construction: rugged construction; water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 160Ah;
  • Warranty: 36 Months Total {18 months (flat) + 18 months (pro-rata)}
  • Dimensions: 52.0 x 27.9 x 28.3 cm (±2 mm)
  • Net weight: 51.50 kg (±3%)
  • Back up at 400W: ≥ 2:55 (hr:min)

Load Graph:- 

Load and Backup

Home Appliances Back Up in Hrs Approx.
2 Tube light + 2 Fan 3 – 3:30
4 Tube lights + 4 Fans + 1 TV 2:30 – 3:30
2 Tubelight + 4 Fan + 1 PC + 3 CFL 2 – 2:30
5 Tubelight + 6 Fan + 1 TV + 7 CFL 1 – 2:30

MTEK Power DuraSMART MTK1836LT 150Ah/12V Inverter Battery

MTEK Power DuraSMART MTK1836LT 150Ah/12V Inverter Battery is a tubular inverter battery that is designed to provide reliable and long-lasting backup power for homes and businesses. It uses SABA Tubular Technology, which provides better performance at high temperatures and a longer battery life. The battery also features ultra-low maintenance, faster recharge, and 6 ceramic water level indicators for easy monitoring. It comes with a 36-month warranty. Here are some of the benefits of using the MTEK Power DuraSMART MTK1836LT 150Ah/12V Inverter Battery:
  • Reliable power backup: The battery provides reliable power backup for homes and businesses during power outages.
  • Long battery life: The battery has a longer battery life thanks to its SABA Tubular Technology.
  • Better performance at high temperatures: The battery performs better at high temperatures than other types of batteries.
  • Ultra-low maintenance: The battery requires minimal water topping and maintenance.
  • Faster recharge: The battery can be recharged faster than other types of batteries.
  • Easy monitoring: The battery has 6 ceramic water level indicators that make it easy to monitor the electrolyte levels.
  • Warranty: The battery comes with a 36-month warranty.
  • All new SABA (Super Alloy and Binder Additives) Tubular Technology for Longer battery life
  • Extended Backup and Faster Recharge
  • Specialized super alloy spines and grids with low antimony content and grain refiner, ensuring ultra-low maintenance with minimal water loss
  • PAN India onsite hassle-free service
  • Battery Details- Type: Long tubular battery; Capacity: 150Ah/12V; Construction: rugged construction; water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 150Ah;
  • Warranty: 36 Months Total {18 months (flat) + 18 months (pro-rata)}
  • Dimensions: 50.8 x 19.0 x 35.7 cm (±2 mm)
  • Net weight: 48.90 kg (±3%)
  • Back up at 400W: ≥ 2:30 (hr:min)

Load Graph: -

Load and Backup

Home Appliances Back Up in Hrs Approx.
2 Tube light + 2 Fan 6 – 6:30
4 Tube lights + 4 Fans + 1 TV 4 – 5:30
2 Tubelight + 4 Fan + 1 PC + 3 CFL 3:30 – 4:00
5 Tubelight + 6 Fan + 1 TV + 7 CFL 2:30 – 3:00

MTEK Power DuraSTRONG MTK1854TT 150Ah/12V Inverter Battery

Product Description:-

MTEK Power DuraSTRONG MTK1854TT 150Ah/12V Inverter Battery is a tubular inverter battery that is designed for use in homes, offices, and shops. It has a capacity of 150Ah and a voltage of 12V, making it ideal for powering a variety of appliances, including fans, lights, and televisions. The battery features SABA Tubular Technology, which gives it a longer lifespan and makes it more resistant to deep discharges. It also has a low self-discharge rate, so you can be sure that it will be ready to use when you need it. MTEK Power DuraSTRONG MTK1854TT 150Ah/12V Inverter Battery comes with a 54-month warranty, giving you peace of mind knowing that you are covered in case of any problems. Here are some of the key features of the MTEK Power DuraSTRONG MTK1854TT 150Ah/12V Inverter Battery:
  • All new SABA (Super Alloy and Binder Additives) Tubular Technology for Longer battery life
  • Extended Backup and Faster Recharge
  • Specialized super alloy spines and grids with low antimony content and grain refiner, ensuring ultra-low maintenance with minimal water loss
  • PAN India onsite hassle-free service
  • Battery Details- Type: Tall tubular battery; Capacity: 150Ah/12V; Construction: rugged construction; water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 150Ah;
  • Warranty: 54 Months Total {30 months (flat) + 24 months (pro-rata)}
  • Dimensions: 50.8 x 19.0 x 41.2 cm (±2 mm)
  • Net weight: 53.80 kg (±3%)
  • Back up at 400W: ≥ 2:50 (hr:min)

Load Graph: -

Load and Backup

Home Appliances Back Up in Hrs Approx.
2 Tube light + 2 Fan 4:30 – 6:30
4 Tube lights + 4 Fans + 1 TV 3:30 – 4:00
2 Tubelight + 4 Fan + 1 PC + 3 CFL 2 – 2:30
5 Tubelight + 6 Fan + 1 TV + 7 CFL 1 – 2:30
 

MTEK Power DuraSTRONG MTK1860TT 150Ah/12V Inverter Battery

Product Descripton:-

MTEK Power DuraSTRONG MTK1860TT 150Ah/12V Inverter Battery is a tubular inverter battery that is designed for use in homes, offices, and shops. It has a capacity of 150Ah and a voltage of 12V, making it ideal for powering a variety of appliances, including fans, lights, and televisions. The battery features SABA Tubular Technology, which gives it a longer lifespan and makes it more resistant to deep discharges. It also has a low self-discharge rate, so you can be sure that it will be ready to use when you need it. MTEK Power DuraSTRONG MTK1860TT 150Ah/12V Inverter Battery comes with a 60-month warranty, giving you peace of mind knowing that you are covered in case of any problems. Here are some of the key features of the MTEK Power DuraSTRONG MTK1860TT 150Ah/12V Inverter Battery:
  • Tubular technology for longer lifespan and resistance to deep discharges
  • Low self-discharge rate
  • All new SABA (Super Alloy and Binder Additives) Tubular Technology for Longer battery life
  • Extended Backup and Faster Recharge
  • Specialized super alloy spines and grids with low antimony content and grain refiner, ensuring ultra-low maintenance with minimal water loss
  • PAN India onsite hassle-free service and delivery
  • Battery Details- Type: Tall tubular battery; Capacity: 150Ah/12V; Construction: rugged construction; water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 150Ah;
  • Warranty: 60 Months Total {36 months (flat) + 24 months (pro-rata)}
  • Dimensions: 50.8 x 19.0 x 41.2 cm (±2 mm)
  • Net weight: 53.80 kg (±3%)
  • Back up at 400W: ≥ 2:50 (hr:min)

Load Graph:-

Load and Backup

Home Appliances Back Up in Hrs Approx.
2 Tube light + 2 Fan 4:30 – 6:30
4 Tube lights + 4 Fans + 1 TV 3:30 – 4:00
2 Tubelight + 4 Fan + 1 PC + 3 CFL 2 – 2:30
5 Tubelight + 6 Fan + 1 TV + 7 CFL 1 – 2:30

OKAYA PowerMAX OPTT24072 210Ah Tall Tubular Inverter Battery

Original price was: ₹29,200.00.Current price is: ₹19,500.00.
• 100% Tubular battery in Tall container • Recommended inverter rating: 700 to 1600 VA • Xtra Backup Design (XBD) with Certified backup hour (CBH) • 99.98% Pure Lead • Pressure Die cast terminals, free from voids for high strength • Special paste formulation for Quick Recharge • Highly efficient PE Envelope Separator from DARAMIC, USA • 6 Ceramic water level indicators for each vent hole • Low antimony alloy for Ultra Low Maintenance • Factory charged, ready to use • Paperless Warranty • Hassle Free Service with All India Onsite Service Network

OKAYA PowerON OPTT18048 150Ah Inverter Battery

OKAYA PowerON OPTT18048 150Ah Inverter Battery is a tall tubular inverter battery with a capacity of 150Ah. It is designed for use in homes, offices, and shops to provide backup power during power outages. OKAYA PowerON OPTT18048 150Ah Inverter Battery comes with a 48-month warranty, which includes 24 months of free warranty and 24 months of prorated warranty. Here are some of the key features of the OKAYA PowerON OPTT18048 150Ah Inverter Battery:
  • Okaya inverter battery provides Faster Recharge & Longer Backup
  • Compatible with all the inverter brands
  • Ultra low maintenance with 1-2 times water top-up in a year
  • PAN India onsite hassle-free service
  • Battery Details- Type: Tall tubular battery; Capacity: 150Ah/12V; Construction: rugged construction; Ceramic water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 100 Ah;
  • Warranty: 48 months Total {24 months (flat) + 24 months (pro-rata)}
  • Dimensions: 50.8 x 19.0 x 41.2 cm (±2 mm)
  • Net weight: 49.70 kg (±3%)
  • Backup at 400W: ≥ 2:10 (hr:min)
  • 100% Tubular battery in Tall Tubular container
  • Advanced Tubular Technology (ATT)
  • Xtra Backup Design (XBD)
  • 98% Pure Lead
  • Pressure Die cast terminals, free from voids for high strength
  • Special paste formulation for Quick Recharge
  • Highly efficient PE Envelope Separator from DARAMIC, USA
  • 6 Ceramic water level indicators for each vent hole
  • Low antimony alloy for Ultra Low Maintenance
  • Factory charged, ready to use
  • Paperless Warranty
  • Hassle Free Service with All India Onsite Service Network

Load Graph:-

Load and Backup

Home Appliances Back Up in Hrs Approx.
2 Tube light + 2 Fan 6 – 6:30
4 Tube lights + 4 Fans + 1 TV 4 – 5:30
2 Tubelight + 4 Fan + 1 PC + 3 CFL 3:30 – 4:00
5 Tubelight + 6 Fan + 1 TV + 7 CFL 2:30 – 3:00

OKAYA PowerUP OPJT17036 140Ah Inverter Battery

OKAYA PowerUP OPJT17036 140Ah Inverter Battery is a tall tubular inverter battery with a capacity of 140Ah. It is designed for use in homes, offices, and shops to provide backup power during power outages. The battery features Okaya's XBD technology, which is claimed to provide longer life and extra backup. It also has a CBH declaration, which means that it meets the Central Battery Research Institute's standards for high performance and reliability. OKAYA PowerUP OPJT17036 140Ah Inverter Battery comes with a 36-month warranty, which includes 18 months of free warranty and 18 months of prorated warranty. Here are some of the key features of the OKAYA PowerUP OPJT17036 140Ah Inverter Battery:
  • All new Xtra Backup Design (XBD), ensuring longer backup time
  • 100% Tubular battery in Jumbo container
  • Pressure Die cast terminals, free from voids for high strength
  • Special paste formulation for Quick Recharge
  • Certified Backup Hour (CBH) - World's first inverter battery to declare actual backup time at different power loads, certified by NABL accredited Lab
  • Specially Designed Active Material' with 'Higher Surface Area' and 'Specialty Additives', which enable the battery to give a higher 'Capacity' and 'Performance'
  • Compatible with all the inverter brands
  • Factory charged, ready to use
  • Highly efficient PE Envelope Separator from DARAMIC, USA
  • 99.98% Pure Lead
  • 6 Ceramic water level indicators for each vent hole
  • Ultra-low maintenance with 1-2 times water top-up in a year
  • Battery Details- Type: Jumbo tubular battery; Capacity: 140Ah/12V; Construction: rugged construction; Ceramic water level indicators: 6
  • Nominal Voltage: 12V; Rated Capacity: 140 Ah; PAN India onsite hassle-free service
  • Warranty: 36 months Total {18 months (flat) + 18 months (pro-rata)}
  • Dimensions: 53.2 x 22.1 x 28.4 cm (±2 mm) , Net weight: 42.52 kg (±3%)
  • Back up at 400W: ≥ 2 hrs : 30 mins

Load Graph:-

Load and Backup

Home Appliances Back Up in Hrs Approx.
2 Tube light + 2 Fan 3 – 3:30
4 Tube lights + 4 Fans + 1 TV 2:30 – 3:30
2 Tubelight + 4 Fan + 1 PC + 3 CFL 2 – 2:30
5 Tubelight + 6 Fan + 1 TV + 7 CFL 1 – 2:30

Solar DC Wire – 4 sq mm-10 Meters Pair

2,500.00

Product Description: -

Solar DC Wire, 4 sq mm – 10 Meters Pair
  • 2 YEAR’S WARRANTY
Components
  • 10-meter positive wire (red)
  • 10-meter negative wire (black)
  • 1 MC4 Connectors for wire connection

DC wire Size Graph for Solar Panels: -

No. of Panels 2 (100-370 watt) 3 (100-375 watt) 6 (100-385 watt)
Wire Size 4 sq mm 6 sq mm 10 sq mm
 Amps. 20 amps 30 amps 50 amps
 

Solar DC Wire, 4 sq mm-20 Meters Pair

Original price was: ₹4,500.00.Current price is: ₹2,850.00.
Solar DC Wire, 4 sq mm – 20 Meters Pair
  • 2 YEAR’S WARRANTY
Components
  • 20-meter positive wire (red)
  • 20-meter negative wire (black)
  • 1 MC4 Connectors for wire connection
 

DC wire Size Graph for Solar Panels: -

No. of Panels 2 (100-370 watt) 8 (325-450 watt) 20 (450-650 watt)
Wire Size 4 sq mm 6 sq mm 10 sq mm
 Amps. 20 amps 30 amps 50 amps
 

UTL ALFA+ Solar PCU 10KVA 120V

Original price was: ₹151,200.00.Current price is: ₹126,000.00.
  • Inbuilt rMPPT Charge Controller
  • USB Based Communication
  • DSPic Based Pure Sine Wave Design
  • Reverse AC Voltage Protection
  • AC and DC Energy Meter Inbuilt
  • Robust Design for 20 years product life
  • GSM/GPRS Based Remote Monitoring and controlling
  • NLSD, Alfa+Solar PCU Grid Charging, IT Load - Enable/Disable by LCD
Alfa PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from grid (secondary), to charge the batteries. Since usage of power from grid is secondary, grid power is only used when solar energy is not present and battery voltage level reduces to a certain level. Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.

UTL ALFA+ Solar PCU 10KVA 180V

Original price was: ₹151,200.00.Current price is: ₹126,500.00.
  • Inbuilt rMPPT Charge Controller
  • USB Based Communication
  • DSPic Based Pure Sine Wave Design
  • Reverse AC Voltage Protection
  • AC and DC Energy Meter Inbuilt
  • Robust Design for 20 years product life
  • GSM/GPRS Based Remote Monitoring and controlling
  • NLSD, Alfa+Solar PCU Grid Charging, IT Load - Enable/Disable by LCD
Alfa PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from grid (secondary), to charge the batteries. Since usage of power from grid is secondary, grid power is only used when solar energy is not present and battery voltage level reduces to a certain level. Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.

UTL ALFA+ Solar PCU 15KVA 240V

Original price was: ₹238,583.00.Current price is: ₹195,500.00.
  • Inbuilt rMPPT Charge Controller
  • USB Based Communication
  • DSPic Based Pure Sine Wave Design
  • Reverse AC Voltage Protection
  • AC and DC Energy Meter Inbuilt
  • Robust Design for 20 years product life
  • GSM/GPRS Based Remote Monitoring and controlling
  • NLSD, Alfa+Solar PCU Grid Charging, IT Load - Enable/Disable by LCD
Alfa PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from grid (secondary), to charge the batteries. Since usage of power from grid is secondary, grid power is only used when solar energy is not present and battery voltage level reduces to a certain level. Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.

UTL ALFA+ Solar PCU 1KVA 24V

Original price was: ₹24,484.00.Current price is: ₹18,912.00.
  • Inbuilt rMPPT Charge Controller
  • USB Based Communication
  • DSPic Based Pure Sine Wave Design
  • Reverse AC Voltage Protection
  • AC and DC Energy Meter Inbuilt
  • Robust Design for 20 years product life
  • GSM/GPRS Based Remote Monitoring and controlling
  • NLSD, Alfa+Solar PCU Grid Charging, IT Load - Enable/Disable by LCD
Alfa PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from grid (secondary), to charge the batteries. Since usage of power from grid is secondary, grid power is only used when solar energy is not present and battery voltage level reduces to a certain level. Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.

UTL ALFA+ Solar PCU 2KVA 48V

Original price was: ₹37,789.00.Current price is: ₹29,500.00.
  • Inbuilt rMPPT Charge Controller
  • USB Based Communication
  • DSPic Based Pure Sine Wave Design
  • Reverse AC Voltage Protection
  • AC and DC Energy Meter Inbuilt
  • Robust Design for 20 years product life
  • GSM/GPRS Based Remote Monitoring and controlling
  • NLSD, Alfa+Solar PCU Grid Charging, IT Load - Enable/Disable by LCD
Alfa PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from grid (secondary), to charge the batteries. Since usage of power from grid is secondary, grid power is only used when solar energy is not present and battery voltage level reduces to a certain level. Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.

UTL ALFA+ Solar PCU 3KVA 48V

Original price was: ₹51,397.00.Current price is: ₹42,500.00.
  • Inbuilt rMPPT Charge Controller
  • USB Based Communication
  • DSPic Based Pure Sine Wave Design
  • Reverse AC Voltage Protection
  • AC and DC Energy Meter Inbuilt
  • Robust Design for 20 years product life
  • GSM/GPRS Based Remote Monitoring and controlling
  • NLSD, Alfa+Solar PCU Grid Charging, IT Load - Enable/Disable by LCD
Alfa PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from grid (secondary), to charge the batteries. Since usage of power from grid is secondary, grid power is only used when solar energy is not present and battery voltage level reduces to a certain level. Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.

UTL ALFA+ Solar PCU 5KVA 48V

Original price was: ₹74,077.00.Current price is: ₹58,500.00.
  • Inbuilt rMPPT Charge Controller
  • USB Based Communication
  • DSPic Based Pure Sine Wave Design
  • Reverse AC Voltage Protection
  • AC and DC Energy Meter Inbuilt
  • Robust Design for 20 years product life
  • GSM/GPRS Based Remote Monitoring and controlling
  • NLSD, Alfa+Solar PCU Grid Charging, IT Load - Enable/Disable by LCD
Alfa PCU is a Solar Power Conditioning Unit (PCU) which uses Solar energy (primary) and also the power from grid (secondary), to charge the batteries. Since usage of power from grid is secondary, grid power is only used when solar energy is not present and battery voltage level reduces to a certain level. Grid power is also needed when solar power is reduced to a certain level and battery voltage is reduced to a certain level.