About this app
Solar PV and battery storage, from the exam to the install. Battery Storage Prep is a complete study and field companion for anyone working with domestic and commercial solar PV and electrical energy storage systems in the UK — installers, designers, electricians, assessors, and anyone preparing for a renewables certification. EXAM PREP — 714 QUESTIONS • 19 topics across three sections: Shared Requirements, Energy Storage, and Solar PV • Every answer carries a written explanation citing its source — the IET Codes of Practice, BS 7671, or the MCS standards • Flash cards for fast recall, with self-rating • Timed mock exams drawing 30 questions from across the whole bank • Progress tracked per topic, plus a full history of every attempt • Voice-over, so you can revise hands-free TEN FIELD CALCULATORS • PV String Sizing • Inverter Sizing Ratio • Battery Sizing & Autonomy • Export Limitation Check (G98 / G99 / G100) • Cable Sizing • Voltage Drop • Adiabatic (CPC size) • Prospective Fault Current • R1 + R2 • Ohm's Law / Power Every result exports to PDF. 229 QUICK REFERENCE CARDS Earthing and bonding, the DC commissioning sequence, grid connection, isolation and switching, labels and signage, and MCS duties — all searchable, and all stored on the device so they work on site with no signal. FIELD TOOLS • DNO Connection — work out the G98 / G99 / SGI route • Earthing & PME — PME and TT decision tool • MCS Certification Duties — MIS 3002 / 3012 contractor duties • Commissioning records and site surveys, exported as PDF • CPD logger, tracking hours against your goals Free to download and try. A subscription unlocks the full 714-question bank, all ten calculators, every reference card, unlimited records, and PDF exports without a watermark. Privacy Policy: https://www.batterystorageprep.co.uk/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest release
What’s New
A complete study and field companion for UK solar PV and electrical energy storage systems. • 714 exam questions across 19 topics, every answer explained and sourced to the IET Codes of Practice, BS 7671 or MCS • Timed mock exams and flash cards with self-rating • Ten field calculators, from PV string sizing to export limitation • 229 searchable quick reference cards, available offline • DNO route and earthing/PME decision tools • Commissioning records, site surveys and a CPD logger, all exporting to PDF
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 10, 2026 · 4:33 PM Free