zevOS

01Guides

The long-form ones, and none of them behind a form

Guides are the pages that should rank and be read. Putting a lead-capture form in front of them would defeat the point — the ebooks are where that belongs.

01
Getting startedFoundational

How to start an EV charging business in India

The complete sequence — entity, site, sanction, hardware, software, pricing and launch — with the decisions that are expensive to reverse marked as such.

Updated 14 Aug 2026 · 4 min read

02
ProcurementIntermediate

How to evaluate EV charging hardware

A buyer’s guide that goes past the spec sheet: the protocol questions, the failure modes, the warranty clauses and the tests to run before a purchase order.

Updated 11 Jul 2026 · 3 min read

03
ProtocolsIntermediate

A practical guide to OCPP for operators

What the protocol does, the message flows that matter, the configuration keys that cause billing disputes, and how to read a message log when something goes wrong.

Updated 20 Jun 2026 · 3 min read

04
CommercialIntermediate

Designing tariffs for an EV charging network

A working method for setting and revising prices: computing landed cost, choosing the tariff shape, structuring time-of-day windows, and repricing without losing drivers.

Updated 30 May 2026 · 3 min read

05
EngineeringAdvanced

Electrical planning for a charging site

Sanctioned load, demand charges, diversity and load management — how to size a connection so it serves the traffic without paying for capacity you never use.

Updated 15 Apr 2026 · 3 min read

06
CommercialIntermediate

Payments and settlement for EV charging in India

How money actually moves through a charging network — authorisation, capture, refunds, GST and the revenue share owed to your site partners — and where it usually goes wrong.

Updated 20 Aug 2026 · 7 min read

Questions the guides did not answer?

We would rather answer them than have you guess. There is no sales process attached to asking.