Pairing a high-capacity inverter with a Luminous 300Ah battery gives large Indian homes and offices the extended backup they need to stay functional through prolonged power cuts. Available in tall tubular and maintenance-free gel variants, Luminous 300Ah batteries store twice the energy of standard 150Ah models, support heavy appliance loads, and carry warranties of up to 60 months. Their advanced plate technology and adaptive charging capability make them a dependable, long-term power backup investment.
Key features and specifications of Luminous 300Ah batteries
Luminous 300Ah inverter batteries pack high-capacity storage with advanced charging technology, making them well-suited for demanding home and commercial power backup applications.
- Tall tubular plate construction: The tall tubular design stores more electrolyte per tube than standard batteries, delivering superior deep discharge recovery, greater durability, and consistently longer backup across repeated charge cycles.
- Adaptive charging technology: Select models feature new adaptive charging that optimises the charge cycle based on battery condition, reducing water loss and extending overall battery lifespan beyond standard tubular alternatives.
- 2-in-1 capacity design (ILTT 32060): The Inverlast ILTT 32060 is engineered to deliver the equivalent performance of two standard batteries in a single unit, supporting heavy loads that would ordinarily require a larger battery bank.
- GelSync maintenance-free technology (AB30060): The Ampbox gel variant uses spill-proof GelSync technology with no water top-ups required, making it a safe, low-maintenance choice for indoor installation in apartments and offices.
- Wide temperature performance: The Ampbox AB30060 operates reliably between -15 degree Celsius and 50 degree Celsius, making it suitable for India's diverse climate conditions from coastal humidity to extreme northern cold.
- Universal inverter compatibility: Luminous 300Ah batteries work with most inverter brands and types — both home and commercial — without compatibility concerns, offering flexibility across different setups.
- 60-month warranty: Most Luminous 300Ah models carry a 60-month warranty (36 months full replacement + 24 months pro-rata), providing long-term assurance on a significant investment.
| Specification | Range |
|---|
| Capacity | 300Ah |
| Voltage | 12V |
| Battery type | Tall tubular / gel (model-dependent) |
| Warranty | 60 months (36+24 pro-rata) |
| Operating temperature | -15 degree Celsius to 50 degree Celsius |
| Weight | 80 kg – 82 kg (approx., with electrolyte) |
| Dimensions | Approx. 505 mm × 208 mm × 442 mm |
| Backup (at 400 W load) | Up to 5 hours (model-dependent) |
Types of Luminous 300Ah batteries
Luminous offers 300Ah batteries in two distinct technology types, each designed for a different kind of user and installation environment.
- Tall tubular batteries (Inverlast ILTT 32060): The most widely used type for Indian homes, the tall tubular 300Ah battery uses a robust plate design to handle deep and repeated discharge cycles efficiently. Built with a special grade lead alloy, it supports heavy appliance loads, delivers extended backup durations, and lasts well in areas with long or frequent daily outages. It requires periodic water top-ups and benefits from regular terminal maintenance, but offers outstanding long-term value and durability for the investment.
- Gel batteries (Ampbox AB30060): The Ampbox gel variant is a maintenance-free alternative engineered with German GelSync technology. The sealed, spill-proof design eliminates the need for water top-ups entirely, making it ideal for apartments, offices, and enclosed spaces where traditional wet batteries may pose safety or maintenance challenges. The gel electrolyte also prevents hazardous gassing, making it a safer option around children and in poorly ventilated spaces. It carries the same 60-month warranty and operates across a wide temperature range.
Benefits of Luminous 300Ah batteries
Luminous batteries with a 300Ah capacity offer significantly more than standard capacity units — here is why they make a compelling choice for Indian homes and businesses.
- Substantially longer backup duration: At 300Ah, these batteries store twice the energy of a standard 150Ah model. On a moderate load of 400 W, they deliver up to five hours of backup — keeping fans, lights, a television, and a refrigerator running through extended outages.
- Heavy-load support without performance loss: The high-capacity design handles demanding loads including refrigerators, air coolers, computers, and multiple room circuits simultaneously, without the voltage sag that smaller batteries experience under pressure.
- Extended battery lifespan: Adaptive charging technology and the tall tubular plate design actively reduce water loss and plate corrosion, helping these batteries last significantly longer than flat plate alternatives — saving on replacement costs over time.
- Low maintenance with gel option: The Ampbox AB30060 gel variant requires no water top-ups and no regular terminal checks, making it a genuinely hands-off backup solution — particularly practical for busy households or unattended commercial setups.
- Reliable performance in extreme temperatures: With operating capability down to -15 degree Celsius and up to 50 degree Celsius, Luminous 300Ah batteries remain dependable across India's wide regional climate variations — from hot summers to cold northern winters.
Price list of Luminous 300Ah batteries in India (2026)
Luminous 300Ah batteries are available in tubular and gel variants to suit different budgets and usage needs. Here are the key models currently available in India.
| Model name | Key features | Why should you get this | Price (approx.) |
|---|
| Luminous Inverlast ILTT 32060 300Ah | Tall tubular, 12V, 2-in-1 capacity, adaptive charging, 60-month warranty | The go-to choice for large homes with prolonged daily outages needing heavy-load, long-duration backup | Rs. 24,999 – Rs. 30,600 |
| Luminous Ampbox AB30060 300Ah | Gel technology, maintenance-free, GelSync spill-proof, German technology, 60-month warranty | Best for apartments and offices needing safe, zero-maintenance backup with universal inverter compatibility | Rs. 28,000 – Rs. 32,000 |
Disclaimer: Product features, availability, and prices may differ based on location and time. For the latest and most accurate details, visit a partner store.
Backup performance of Luminous 300Ah batteries
Luminous 300Ah batteries are built specifically for extended, heavy-load backup scenarios — delivering performance that standard-capacity batteries simply cannot match.
- Up to five hours on a 400 W load: Both the ILTT 32060 and Ampbox AB30060 deliver approximately five hours of backup at a 400 W load — enough to run several fans, LED lights, a television, and a refrigerator simultaneously through a full evening outage.
- Twice the storage of a standard battery: With 300Ah capacity, these batteries store double the energy of a 150Ah model. This translates directly into longer backup duration or the ability to support more appliances at the same time without a drop in performance.
- Handles heavy appliances without voltage sag: The high-capacity design supports heavy loads including refrigerators, water motors, and multiple room circuits simultaneously, maintaining stable output without the performance dip that smaller batteries produce under pressure.
- Deep discharge tolerance for prolonged outages: The tall tubular plate construction in the ILTT 32060 handles deep and repeated discharge cycles efficiently, recovering charge quickly and consistently even in areas where power cuts occur multiple times a day.
- Consistent output across temperature extremes: The Ampbox gel variant maintains stable backup performance between -15 degree Celsius and 50 degree Celsius, ensuring reliable operation during India's intense summers and cold winter months without degradation in output.
Why choose a Luminous 300Ah battery
A Luminous 300Ah battery is the right choice when basic backup capacity is not enough — here is what sets it apart for demanding power needs.
- Double the backup of standard batteries: At 300Ah, you get twice the stored energy of a 150Ah model, which directly translates to longer backup times and the ability to support more appliances without adding a second battery to your setup.
- Trusted brand with nationwide service support: Luminous is one of India's most established power backup brands, with an extensive dealer and service network across urban and rural areas — ensuring accessible support throughout the battery's lifespan.
- Choice of technology to suit your lifestyle: The tubular ILTT 32060 suits homes that need maximum durability and backup duration, while the maintenance-free Ampbox AB30060 gel variant caters to users who prioritise convenience and safety in enclosed spaces.
- Strong warranty coverage: A 60-month warranty — covering 36 months full replacement followed by 24 months pro-rata — gives you long-term financial assurance on a battery that represents a significant investment.
- Eco-friendly construction in gel models: The Ampbox AB30060 uses 98% recyclable materials and spill-proof GelSync technology, making it a responsible power backup choice for households mindful of environmental impact.
How to choose the right Luminous 300Ah battery for your needs
Selecting the right Luminous 300Ah model comes down to matching the battery type to your actual usage conditions and installation environment.
- Assess your backup duration requirement: A 300Ah battery suits homes and offices that need five or more hours of backup on moderate to heavy loads. If your outages are short and infrequent, a lower-capacity battery may offer better value — reserve the 300Ah range for high-demand scenarios.
- Choose tubular for durability, gel for convenience: The ILTT 32060 tall tubular model is the better choice if you need maximum deep discharge performance and long battery life in areas with daily extended outages. Choose the Ampbox AB30060 if zero maintenance, safety, and clean installation matter more than raw longevity.
- Check inverter compatibility: Ensure your existing inverter supports a 300Ah battery. High-capacity batteries require inverters with adequate charging current — typically 15 A or more — to charge efficiently. Using an undersized charger prolongs charging time and can reduce battery lifespan over time.
- Consider your installation space: Luminous 300Ah batteries weigh between 80 kg and 82 kg and measure approximately 505 mm × 208 mm × 442 mm. Confirm that your installation area has sufficient space, a stable surface, and adequate ventilation before purchasing.
- Factor in total cost of ownership: The gel model costs more upfront but saves on maintenance time and distilled water purchases over its lifespan. The tubular model costs less initially but requires regular water top-ups and terminal cleaning — factor in both time and cost when comparing the two options.
Thinking of buying an inverter?
Before you do that, explore the latest offers from Bajaj Finance. You may find a great deal on a model that matches your needs.
Get electronics and appliances on Easy EMIs with Bajaj Finance
Upgrading your home with the latest electronics and appliances is now easier and more affordable with Bajaj Finance’s flexible financing options. You can also maximise your savings by using the Smart Savings Calculator—a smart tool that combines brand offers, dealer offers, and EMI offers, all in one place, helping you lower the overall cost while still paying in small, bite-sized instalments. Follow these steps to get started:
- Explore products on Bajaj Mall: Browse a wide range of electronics and appliances from trusted brands on Bajaj Mall. Compare features like energy ratings, storage capacity, performance settings, and design to choose the right product for your home.
- Visit a partner store: Once you shortlist a model, step into any of Bajaj Finance’s 1.5 lakh partner stores across 4,000 cities in India. See the product in person, talk to experts, and make a confident decision.
- Choose the Easy EMI Loan option: At checkout, select the Bajaj Finance Easy EMI Loan. Avail financing of up to Rs. 5 lakh and split the cost into convenient monthly instalments. Some products also come with a zero down payment option.
- Check your loan eligibility online: Plan better by checking your loan eligibility in minutes. Simply enter your mobile number and OTP to know your pre-approved limit.
- Use the Insta EMI Card for purchases up to Rs. 3 lakh: Already own the Bajaj Finance Insta EMI Card? Use it for instant, paperless checkout and convert your purchases of up to Rs. 3 lakh into Easy EMIs.
Why use the Smart Savings Calculator
Bajaj Finance’s Smart Savings Calculator helps you unlock maximum savings every time you shop at partner stores. It brings together all available brand, dealer, and scheme offers—so you can see your total savings instantly and shop smarter with Easy EMIs.
1. Dealer offers - Grab exclusive in-store deals at over 1.5 lakh partner stores across India. Enjoy local discounts and special prices you will not find online.
2. Brand offers - Access limited-time discounts from top brands across electronics, appliances, and more. Discover brand-specific savings selected just for you.
3. Bajaj offers - Unlock exclusive Bajaj Finance deals on popular products—available only to our customers. More rewards, more value.
4. Scheme offers - Take advantage of time-sensitive offers on select EMI schemes. Get extra benefits after paying just 3 EMIs—visible during EMI selection at checkout.
Calculate your extra savings today!
