If you know where to look, there is a huge amount of free information avalible.
Mobility Plus has put together a helpful list below.

Mobility Plus Free Downloads

M+ Battery Types Fitted to Travel Mobility Scooters

M+ Mobility Scooter Air Travel Battery Guide

M+ Travel Mobility Scooters Buyers Guide

NZTA

NZTA READY TO RIDE - keeping safe on your mobility scooter

NZTA THE ROAD AHEAD - Transport options for seniors

NZTA SUPPORTING SENIOR DRIVERS - How friends and family can help

Air Travel with a Mobility Scooter

Air Travel with a Mobility Scooter

Air New Zealand Travelling with lithium batteries

Travelers & IATA Website

IATA Battery Powered Wheelchair and Mobility Aid Guidance Document Download

Smart Baggage with Integrated Lithium Batteries and/or Electronics Document Download

Occupational Therapy

Royal College of Occupational Therapist (UK)

Occupational Therapy New Zealand

OTRS Rehabilitation Services

Pride Mobility

Pride Mobility NZ

Pride Mobility NZ and AU Spec Sheets

Pride Mobility USA

USA Mobility Scooter FAQ

Pride Mobility Owners Manuals and Spec Sheets

CTM Mobility Scooters

CTM Mobility Scooters NZ (Allied Medical)

CTM Main website

Heartway Mobility Scooters

Heartway Main Website

MK Batteries

MK Website

Battery Care & Maintenance Guide

HME Battery Guide

Lottery Grand Funding for Mobility Scooters

Lottery Grand Funding for Mobility Scooters

Cubro website

SleepSystems NZ Website

icare AU website

FreeRider EU (Lugie) website

ISO Testing Website

AIMAC NZ - Tester of mobility scooter controllers

Monster Scooter Parts - Huge USA retails of sprare parts

Cabin Car UK

AA Mobility Care (breakdown cover)