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Indian Army Inverter & Lead Acid Battery Tender - ISI/ISO 9001 Compliance, Chhattisgarh Aurangabad 2025

Bid Publish Date

29-Dec-2025, 9:01 am

Bid End Date

13-Jan-2026, 2:00 pm

Location

AURANGABAD , MAHARASHTRA

Latest Corrigendum Available

Progress

Issue29-Dec-2025, 9:01 am
Corrigendum06-Jan-2026
AwardPending
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Quantity

14

Category

Inverter (V2)

Bid Type

Two Packet Bid

Categories 12

SOLAR FENCE ACID NEON LAMP SOLAR CELLS SOLAR PV PLANT STATIC CONVERTERS HYBRID POWER SYSTEM SPEED DRIVE SYSTEM SOLAR CHARGING INVERTER SOLAR CHARGER SOLAR PHOTOVOLTAIC SYSTEM

Tender Overview

The Indian Army (Department Of Military Affairs) invites bids for an inverter system with lead-acid tubular-positive plate batteries, IS 1651 compliant, including ancillary components and trolley/rack. Estimated value and EMD details are not disclosed. The procurement emphasizes ISI marking, ISO 9001 compliance, OEM warranty, and dedicated service support. Key differentiators include IS 1651 category alignment, provisioned battery backup, and battery rack/trolley requirements. Bidders should prepare for OEM authorization, MTCT tests, and on-ground installation in a defense context.

Technical Specifications & Requirements

  • Product category: Inverter with specified output rating in KVA; wide input voltage range preferred.
  • Battery requirement: Provision of battery with inverter; type to be specified; minimum battery capacity (Ah) and voltage (V) to be declared; DC bus voltage (V) if battery-backed.
  • Performance: Total Harmonic Distortion (THD) targets to be met; conformity tests via inverter test report required.
  • Accessories: Provision of suitable trolley/rack for batteries; installation, commissioning, and after-sales service timelines.
  • Construction & certification: ISI marked and IS 1651 compliance; battery type options include tubular-positive plates; SAN container material details to be cited.
  • Warranty & service: Arrangements for after-sales service turnaround time; preventive maintenance cadence; other related services.
  • Documentation: Material Test Certificate and OEM warranty declaration; battery test report (NA if no battery).

Terms, Conditions & Eligibility

  • EMD/guarantee: Amounts not disclosed in available data; ensure compliance with procurement norms and bonding.
  • Standards: ISO 9001 certification for bidder or OEM; OEM manufacturing authorization on letterhead; ISO 9001 (per clause) and brand/service centre requirements.
  • Delivery & support: Dedicated service hotline and escalation matrix; service centers located with inked sign/official stamps.
  • Financials & taxes: Bidder must be GST-registered and provide last three-year turnover data; income tax/GST/ESIC/EPF compliance certificates to be furnished.
  • Other terms: Option clauses for quantity variation up to 25% during contract; acceptance criteria via buyer lab tests; manufacturer turnover criteria and non-blacklisting undertaking.

Key Specifications

    • Output Rating of the Inverter: specified in KVA
    • Input Operating Voltage: wider range acceptable beyond minimum
    • Output Voltage: inverter mode voltage
    • Battery Provision: inclusion with inverter for backup
    • Battery Type: Tubular Positive Plates (Lead Acid) or specified
    • Minimum Battery Capacity: stated in Ah or 0 if not provided
    • Battery Voltage: stated in V or 0 if not provided
    • DC Bus Voltage: stated in V or 0 if not provided
    • THD: Total Harmonic Distortion specification
    • Trolley/Rack: provision for Batteries
    • After Sales Service Turnaround Time
    • Preventive Maintenance timelines
    • Battery Test Report: NA if no battery
    • Test Report Availability: conformity test for inverter
    • ISI Marked requirement
    • Cell Type: Normal/HDP/TBS; tubular postive plates; pasted negative plates

Terms & Conditions

  • Option to increase/decrease quantity up to 25% with extended delivery timelines

  • ISO 9001 certification required for bidder or OEM; OEM MA and warranty commitments

  • Material Test Certificate mandatory; buyer lab acceptance criteria apply

  • Dedicated service hotline and escalation matrix required

  • Manufacturer turnover > ₹500 Cr/year; ISO 9001 certification; service center at Aurangabad

  • Tax and compliance: GST, IT, ESIC/EPF evidence; non-blacklisting undertaking

Important Clauses

Payment Terms

Not specified in data; bidders should expect standard government terms with milestone payments post-delivery and acceptance per contract.

Delivery Schedule

Option to adjust quantity up to 25% with delivery periods derived from original order; extended time calculation guidance provided in tender terms.

Penalties/Liquidated Damages

Not detailed in provided data; expect LD provisions as per standard Army procurement practices.

Bidder Eligibility

  • ISO 9001 certification for bidder or OEM

  • Last three-year average turnover ≥ ₹500 Crore per year

  • OEM manufacturing authorization and service center presence at Aurangabad (Chh. Sambhajinagar), Maharashtra

Past Similar Tenders (Historical Results)

5 found

Tamil Nadu Rural Development and Panchayat Raj Department Salem Inverter, Lead Acid Battery Tender 2025 - IS 1651 Lead Acid Cells, ISO 9001

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Posted: 21 November 2025
Closed: 2 December 2025
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Rural Development And Panchayat Raj Department Tamil Nadu Inverter Batteries Tender Salem TN 2025 IS 1651 ISO 9001

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Posted: 21 November 2025
Closed: 2 December 2025
GEM

Tamil Nadu Rural Development And Panchayat Raj Department Salem Inverter Batteries Procurement IS 1651 ISO 9001 2025

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SALEM, TAMIL NADU

Posted: 21 November 2025
Closed: 2 December 2025
GEM

Inverter (V2),Stationary Cells and Batteries, Lead Acid Type (with Tubular Positive Plates) as per

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BHAGALPUR, BIHAR

Posted: 17 March 2025
Closed: 3 April 2025
GEM

Tamil Nadu Rural Development Department Salem Lead Acid Battery & Inverter Tender 2025 IS 1651 Inverter V2

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SALEM, TAMIL NADU

Posted: 21 November 2025
Closed: 2 December 2025
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Technical Specifications 3 Items

Item #1 Details

View Catalog
Category Specification Requirement
INVERTER Output Rating of the Inverter (in KVA) 1.2, 0.9
INVERTER Input - Operating Voltage of the Inverter (hint: The input range specified is minimum requirement; Wider input ranges shall also be acceptable being considered better provided meeting the performance requirement) 1 phase 180V -260V, 50 Hz AC mains
INVERTER Output Voltage of the Inverter ( in inverter mode) 1 phase 220V +/- 10 V, 50 Hz AC
BATTERY Provision of battery with each inverter for backup No
BATTERY Type of Battery NA as battery not provided
BATTERY Minimum Capacity of Each Battery ( in Ah) (hint: Write '0' in case battery not provided) 0.0
BATTERY Battery Voltage (in volts)(hint: Write '0' in case battery not provided) 0.0
BATTERY DC Bus Voltage (in volts) (hint: Write '0' in case battery not provided) 0.0
PERFORMANCE Total harmonic distortion (THD)
ACCESSORIES/ TROLLEY/ RACK Provision of Suitable Trolley/ Rack for Batteries NA as battery not provided
INSTALLATION AND COMMISSIONING OF SERVICE After Sales Service (Turn Around Time) Within 48 hours, Within 7 days
INSTALLATION AND COMMISSIONING OF SERVICE Preventive Maintenance (Hint: Mention Timeline if provided, NA if not provided) NA, Yearly, Half Yearly, Quarterly, Bi-Monthly, Monthly Or higher
INSTALLATION AND COMMISSIONING OF SERVICE Other Services Provided PAN India service support on 24 x 7 basis, Availability of spares in close proximity (Spares should be easily available close to the site)
BUYER SPECIFIC REQUIREMENT Battery Test Report (hint : Select NA in case of no battery) NA
CERTIFICATION/TEST REPORT Availability of test report for inverter to prove conformity of the specification from OEM, Govt. Lab/NABL accredited Lab/ILAC accredited Lab

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Required Documents

1

GST certificate

2

PAN card

3

Experience certificates

4

Financial statements

5

EMD documents

6

Technical bid documents

7

OEM authorizations

8

ISO 9001 certification

9

Material Test Certificate

10

Declaration from OEM for OEM warranty

11

Escalation matrix and Service Centre list

Corrigendum Updates

1 Update
#1

Update

06-Jan-2026

Extended Deadline

13-Jan-2026, 2:00 pm

Opening Date

13-Jan-2026, 2:30 pm

Frequently Asked Questions

Key insights about MAHARASHTRA tender market

How to bid for the inverter and battery tender in Aurangabad Maharashtra 2025?

Bidders must comply with ISO 9001, provide OEM authorization, submit GST and turnover documents, supply MTCT/Material Test Certificate, and ensure ISI/IS 1651 conformity. Include dedicated service contact details and an escalation matrix; delivery and warranty terms align with Army procurement practices. Follow OEM warranty declarations and non-blacklisting undertakings.

What documents are required for the inverter bid in India state?

Required documents include GST registration, PAN, experience certificates, last three-year financial statements, ISO 9001 certification, OEM MA, Material Test Certificate, and a declaration for OEM warranty. Also provide service center details and escalation matrix on OEM letterhead with ink signatures.

What are the technical specifications for IS 1651 lead acid batteries?

Specifications require tubular positive plate lead-acid cells in SAN containers with specified Ah rating, battery voltage, and DC bus voltage. The inverter must meet THD limits and ISI marking; test reports should confirm conformity. Details will be specified in the BOQ and ATC documents.

When is the delivery deadline and option quantity clause?

Delivery can be adjusted for up to 25% additional quantity at contracted rates. The extended delivery period calculation uses (Additional quantity/Original quantity) × Original delivery period, with a minimum of 30 days; original delivery period governs extension where applicable.

What is the required service support arrangement for bidders?

Bidders must provide a dedicated toll-free service number and a clear escalation matrix. Include a service center list on OEM letterhead with inked signature and stamp to ensure compliance with after-sales service expectations.

What is the role of Material Test Certificate in acceptance?

Material Test Certificate must accompany the supply; the buyer’s lab will test items, and lab results are the sole acceptance criteria. Ensure certificate accompanies each delivery package and matches the specified inverter/battery configurations.

What certifications are mandatory for the OEM and bidder?

Mandatory certifications include ISO 9001 for bidder or OEM, OEM manufacturing authorization, and ISI/is 1651 conformity where applicable. Ensure brand has an established service center at the specified location and provides non-blacklisting undertakings.

What are the warranty and maintenance expectations for the inverter system?

Warranty terms require OEM warranty per tender terms; after-sales service turnaround time must be defined; preventive maintenance cadence should be provided. Include details of TPM, replacement timelines, and service response commitments to meet defense-grade reliability.