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TECHNICAL MANUAL

Detailed documentation of algorithms and internal logic of the tools.

Charging, Battery & Range

Time Machine

Battery degradation simulator to 10 years.

Inputs
  • Current and annual mileage.
  • % Fast Charging (DC).
  • Climate and storage habit.
Internal Logic

Calculates annual degradation by summing Cyclic (Cycles = Km/Range × DC Stress Factor) and Calendar (Time × Temp Factor × Storage SoC Factor).

LFP Traffic Light

BMS calibration monitor.

Status Logic
  • Critical: >30 days or >2500 km without 100% charge.
  • Risk: >14 days or >1000 km.
  • Calibrated: Lower values.

Charging Curves

Power vs SOC database.

Analysis

Records and visualizes DC charging curves. Allows comparing real vs theoretical peak and average power based on temperature.

Amperage Calculator

Required current for target time.

Formula
E_Bruta = (60.48 × ΔSoC) / Eficiencia
Potencia = E_Bruta / Horas
Amperios = (Potencia × 1000) / Voltaje

Time Calculator

AC/DC time estimation.

Logic
  • AC: Linear up to 11kW.
  • DC: Simulated curve with power reduction at 85% and 30% SoC (thermal protection).

V2L Simulator

Range while powering external devices.

Formula

Horas = (kWh_Disponibles - Reserva) / Potencia_Dispositivo_kW

V2L Planner Pro

Advanced planner for home consumption and camping in parallel.

Inputs
  • Current SoC and minimum safety limit
  • Parallel appliances and their quantities
Internal Logic

Calculates combined power in Watts, current intensity in Amps, and exact discharge time. Adds fixed inverter conversion losses (~220W) and prevents physical overload (>3.3 kW).

LFP Battery Guide

Secrets of the Blade Battery.

Content

Technical information on degradation, BMS calibration and LFP battery warranty conditions.

SOH Monitor

State of Health (SOH) monitoring.

Functionality

Community registry and graph of degradation vs mileage based on real OBDII readings.

Schedule Optimizer

Finds the cheapest charging window.

How it works

Obtains real prices from the REE API. Uses a sliding window algorithm to find the N cheapest hours.

Solar Calculator

Charging with photovoltaic surplus.

Logic

Calculates Surplus = Gen - Consumption and determines the exact amperage to match that power.

Vampire Calculator

Phantom Drain (standby loss).

Calculations

Calculates daily energy loss due to inactivity and diagnoses whether consumption is normal or excessive.

Charging Assistant

Charging completion alerts.

Statistics

Calculates remaining time and sends Telegram alert when target % is reached.

Charging losses

Charging efficiency and energy loss analyzer.

Inputs
  • Initial/final SoC, contracted tariff
  • Installation type and current
  • Outdoor ambient temperature
Internal Logic

Projects AC conversion losses (OBC) by Amps, thermal resistive losses (Joule), and the constant overhead of active car control systems and cell conditioning.

Power balance

Power balance simulator and overload prevention.

Inputs
  • Contracted power and home base load
  • Appliance power consumption and schedule
  • Charging power and dynamic balancing
Internal Logic

Simulates the sum of loads hour by hour and evaluates if it exceeds the contracted power. With dynamic balancing, reduces the car charging current to the actual surplus, extending charge time but protecting the main breaker.

Driving & Performance

Range Laboratory

4-in-1 Range Laboratory: The ultimate simulator.

Algorithm

Unifies 4 engines: Dynamic Simulator (weather + accessories), Matrix (speed vs temp), SOS (aero emergency) and Efficiency.

Camping Calculator

Overnight consumption with HVAC.

Model

Base Consumption (0.25kW) + Thermal Variable (Non-linear based on int/ext ΔTemp) + 10% Safety Margin.

Climate simulator

Dynamic climate control simulator under extreme winter and summer conditions.

Inputs
  • Outdoor and cabin temperature
  • Cruising speed
  • Heat pump vs PTC resistive heater and accessories
Internal Logic

Projects sustained kW consumption by applying the variable COP of the standard heat pump versus the traditional resistance heater (COP 1.0) and calculates remaining range.

LFP thermal management

Coldgate and Rapidgate simulator in route for DC fast charging.

Inputs
  • Ambient temperature and speed
  • Highway distance and previous fast charges
  • Active preheating state
Internal Logic

Simulates the temperature increase of the LFP battery due to highway driving and consecutive charges. Applies real BMS limitations (Coldgate < 15°C and Rapidgate > 45°C) to the maximum DC fast charging power (88 kW).

Route Planner

GPS Planner with elevation profile and GPX export.

Interaction

Uses OSRM for routing, OpenTopoData for elevation profile and Open-Meteo for weather. Calculates real consumption considering slopes (uphill +kWh, downhill regeneration). Exports the route in GPX format compatible with GPS navigators.

Command Center

Integrated command center with consumption and expense analytics.

How it works

Import the car's USB .db file to visualize trips, efficiency, and speed. Integrates total expenses (log, workshop, insurance), battery health (SOH), and real-time community benchmarking. Calculates your sweet spot and thermal correlation.

Garage & Diagnostic

Cell Doctor

Unbalance diagnosis (OBD).

Delta Ranges (Vmax - Vmin)
  • Excellent: < 0.015V
  • Mild: 0.015V - 0.040V
  • High: > 0.040V

Tire Laboratory PRO

Comprehensive tool for care, legality and performance of your tires. Unifies three critical calculators in one dashboard.

Functions
  • TPMS thermal compensator (Gay-Lussac)
  • ITV equivalency checker (±3%)
  • Collaborative brands review database

OBDII Decoder

DTC code search engine.

Data

Search descriptions and solutions for standard (P, U, B, C) error codes specific to the vehicle.

Tire Wear Pro PRO

Advanced FWD tire wear analyzer and cost-per-kilometer calculator.

Functions
  • FWD physical model of tread wear due to instant torque
  • Projection of remaining kilometers until legal/safety limits
  • Amortized tire cost per 100 km

Batería Auxiliar 12V NEW

Health estimator and failure prevention for the 12V auxiliary battery.

Inputs
  • Age of the installed battery (months).
  • Daily queries made to the BYD mobile App.
  • Average daily driving minutes and planned idle days.
Internal Logic

Simulates the daily energy balance of the 12V battery based on idle self-discharge, wake-ups caused by the telematic App, and recovery daily driving minutes.

Finance & Management

Grants & Deductions

Tax Assistant, IRPF, MOVES and CAE Rights.

Calculations

Tax Assistant: Interactive guide with official IRPF boxes (1665, 1675, 0301) and MOVES tax calculations.
IRPF Deduction: 15% of base minored by subsidies (max €20,000 car / €4,000 charger).
Checklist: Verification of documentation required by AEAT.
CAE: Valuation of trade-in rights for old cars.

Savings Calculator

Comparison vs. Combustion.

Details

Includes electric tax calculator (IEE + VAT) to obtain the real price per kWh.

Breakeven calculator

Calculates the economic return point and payback period against combustion.

Inputs
  • Purchase prices, state subsidies and tax deductions
  • Fuel/electricity consumption and rates
Internal Logic

Compares the initial net purchase difference with the annual operating savings from fuel and maintenance. Projects financial curves over 8 years in Chart.js.

TCO Analysis

Total Cost of Ownership.

Formula

(Purchase + Insurance + Maintenance + Energy) / Total_Km.

Used Car Appraiser

Used car appraiser calculator.

Model

Depreciation by age (~18% first year), km adjustment vs annual average, SOH balance/penalty, and general condition.

Referral Club

Share and use coupons.

Logic

Collaborative board for referral links, codes and coupons. Share electricity, charger, insurance and accessory promotions with the community.

Shared car

Gestor de conductores y reparto de gastos.

Inputs
  • Conductor y fecha del trayecto
  • Kilometraje del odómetro al inicio y al final
  • Consumo medio opcional del viaje
Internal Logic

Suma los kilómetros de cada conductor en el periodo seleccionado y distribuye proporcionalmente los costes de carga (extraídos de tu bitácora personal) y la energía consumida.

Tariff Optimizer NEW

Comparative bill simulator (home + car) to optimize your electricity expenditure.

Inputs
  • Monthly consumption and home profile.
  • Kilometers and car charging profile.
  • Contracted powers and editable prices.
Internal Logic

Calculates the energy term by periods for each rate structure, adds the prorated power term and applies the electricity tax (5.11%) and VAT (21%). Compares dynamically based on real PVPC prices averaged from the database.

Resources & Commands

Wiki Atto 3

Interactive technical dictionary of EV terms.

Content

Over 30 technical terms organized into 5 categories: Battery, Charging, Driving, Technical and Regulations. Each term includes a complete definition, technical name in English and practical examples specific to the Atto 3.

BYD App Hub NEW

Interactive BYD App manual and server status monitor.

Interaction

Interactive grid of the 10 official functions with real-world tips and compatibility details. Collaborative status tracking system (live semaphore) with AJAX voting and IP/hour spam control.

Smart Manual Search

Smart search for the owner's manual.

Technical Logic

Search engine with real-time indexing (PDF.js) to quickly locate any detail in the official BYD manual.

EV Trip Checklist

Interactive organizer for long EV trips.

Logic
  • Planning: Route, charging apps, and hotels.
  • Vehicle: Tire pressure, fluids, and software update.
  • Charging: Cables, adapters, and RFID cards.
  • Emergencies: Vests, first-aid kit, and V-16 light.
  • Home: Security and disconnections before leaving.

Consumption Log

Real trip statistics.

Data

Historical record and "Hall of Fame" of the best consumption and range achieved by the community.

Community Wall

Community wall for notices and news.

Interaction

Space to share interesting information, meetups, or notices. Global visibility for reading, but posting is restricted to registered users. Supports photos and categories (Info, Notice, Event).

Improvements Box

Proposals for BYD.

Voting

Community proposal system with single voting. Most voted ones are sent as suggestions to BYD Spain.

Games & Entertainment

Boot Master

The Atto 3 3D Tetris.

3D Perspective

Uses CSS3 transformations (rotateX and perspective) to simulate boot depth. Reversed game logic (bottom-to-top).

Atto 3 Snake

Infinite Charge: Range simulator.

Dynamics

Simulates real consumption (0.2% SoC/move). Random spawn algorithm for AC (5%), DC (20%) and HPC (50%) chargers.

Atto 3 Trivia: The Challenge

Advanced technical quiz (includes EVO model).

Gamification

110+ questions about the Atto 3 and the new EVO model, with detailed technical explanations after each answer.

Overclock Blade

Overclock Blade: Electric Survival.

Mechanics

V2L management simulator. You must balance the energy supply to 6 city sectors while managing LFP battery drain and increasing difficulty over time.

Achievements & Ranking

Global gamification system.

Global System

Rewards participation by integrating all Halls of Fame and assigning exclusive badges based on system contributions.

Atto 3 EVO (800V Architecture)

Technical Changes Summary

Technical and structural changes of the EVO model (2025/26).

Electrical Evolution
  • 800V architecture (vs. 400V)
  • 74.8 kWh Blade Battery
  • DC fast charging up to 220 kW
  • 4th generation heat pump
Physical Changes
  • New gear selector (joystick type)
  • Front trunk (frunk) as standard
  • Continental EcoContact 6Q tires
  • Software 5.0 with improved fluidity
Variants
Design (RWD)

Rear wheel drive with 230 kW (313 HP) motor.
0-100 in 5.5s and WLTP range of 510 km.

Excellence (AWD)

All-wheel drive with 330 kW (450 HP).
Radical 0-100 in 3.9s and range of 470 km.
Exclusive: Head-Up Display and heated rear seats.