About Us → Battery Recycling
Lithium batteries — whether drone batteries, solar storage packs, or consumer electronics cells — contain materials that should not go into general waste streams. This page explains why end-of-life handling matters, how to identify when a battery is past its useful life, and how to approach disposal safely in India.
When a battery consistently delivers less than 70–80% of its rated capacity after a full charge, it has typically reached the practical end of its operational life for demanding applications like drones or solar storage.
If cell voltage differences grow larger over each charge cycle and the BMS cannot balance them, individual cells are ageing unevenly. Continued use risks over-discharge of weaker cells, which accelerates degradation and creates safety risk.
Swelling (for LiPo cells) or casing deformation is a clear signal to retire the battery immediately. Do not continue to use or charge a swollen pack. Store it in a fireproof container until it can be properly disposed of.
A battery that shows acceptable resting voltage but drops significantly under normal load has high internal resistance — a sign of cell degradation. For drone applications, this can cause sudden power cutoff mid-flight.
Standard LiPo drone batteries typically deliver 100–200 cycles before significant capacity loss. Nexfly semi-solid state batteries deliver 300–500 cycles. Once the rated cycle count is exceeded, capacity drop and internal resistance rise accelerate.
If the battery becomes unusually warm during normal charge or discharge — beyond what is expected for the chemistry — it is a sign of degraded cells and should be retired from service before a safety incident occurs.
Before disposing of a lithium battery, store and handle it correctly to avoid safety incidents:
India's battery recycling infrastructure is developing but uneven. Here are the practical options available to drone operators, solar EPC companies, and industrial users:
India has a growing number of MoEF/PCB-authorised battery recyclers who handle lithium battery waste. Exide, Attero, and Lohum are among the known names. Contact them directly for bulk end-of-life battery collection.
Where possible, returning batteries to the original manufacturer is the cleanest disposal path. For Leolus Energy batteries, contact us at our Bangalore facility to enquire about return and collection arrangements for bulk quantities.
Many cities have e-waste collection points operated by municipal bodies or CPCB-registered e-waste handlers. Lithium batteries can typically be accepted at these points, though it is worth confirming with the facility in advance.
If you purchased batteries as part of a drone system from an OEM integrator or system supplier, check whether they have a take-back programme for spent batteries. This is increasingly common in the commercial drone sector.
India's Battery Waste Management Rules (2022), notified under the Environment Protection Act, place responsibilities on producers, importers, and users of batteries in relation to end-of-life collection and recycling. The rules establish an Extended Producer Responsibility (EPR) framework under the Central Pollution Control Board (CPCB). For drone and industrial lithium battery users, the practical obligation is to ensure batteries are not disposed of in general waste and are channelled to authorised recycling facilities.
If you are managing a batch of end-of-life Leolus Energy batteries and want to discuss return or responsible disposal options — contact our Bangalore facility. We handle enquiries from drone operators, solar EPC companies, and industrial users on a case-by-case basis.
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