{"uid":"cap_hD58vMK-gjceg7rXzVhFu","slug":"saylor-innovations-battery-backup-calculator-62afc23a","name":"Saylor Innovations Battery Backup Calculator","description":"Battery capacity, inverter size, amp-hours, runtime and solar recharge for a list of loads","url":"https://saylorinnovations.com/api/energy/battery-backup?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["loads"],"properties":{"loads":{"type":"string","description":"required loads as name:watts:hours_per_day separated by | for example Fridge:150:8|Router:12:24|Laptop:60:6|LED lights:40:5 (max 30); add :surge_watts as a fourth field for motor loads (query)"},"battery":{"type":"string","description":"optional lifepo4, lithium_ion, agm, flooded default lifepo4 (query)"},"sun_hours":{"type":"string","description":"optional peak sun hours per day for recharging, default 4 (query)"},"autonomy_days":{"type":"string","description":"optional days of backup, default 1 (query)"},"system_voltage":{"type":"string","description":"optional 12, 24 or 48, default 24 (query)"},"existing_battery_kwh":{"type":"string","description":"optional capacity of a battery you own, for the runtime estimate (query)"},"inverter_efficiency_percent":{"type":"string","description":"optional, default 90 (query)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gAWHCU_WYVv2lMPlKVcdn","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates battery capacity, inverter size, amp-hours, runtime, and solar recharge requirements for a given list of electrical loads","exampleAgentPrompt":"Can you size a battery backup system for my home office? The loads are: Fridge:150:8, Router:12:24, Laptop:60:6, LED lights:40:5 — I want 2 days of autonomy using LiFePO4 batteries on a 24V system with 5 peak sun hours per day.","exampleUseCases":[{"title":"Off-grid cabin power sizing","prompt":"I'm setting up a small off-grid cabin and need to know what size LiFePO4 battery and inverter I need. My loads are a fridge at 150 watts running 10 hours a day, LED lights at 40 watts for 6 hours, and a laptop at 60 watts for 4 hours. I want 3 days of autonomy and get about 5 peak sun hours. System voltage should be 24V."},{"title":"RV solar battery planning","prompt":"Help me size the battery and solar setup for my RV. I have an AC unit (surge 2000W, running 600W for 4 hours), a TV at 80W for 3 hours, and a water pump at 60W for 1 hour per day. I'd like 1 day of autonomy, lithium-ion chemistry, 12V system, and I average about 6 peak sun hours."},{"title":"Checking runtime on existing battery","prompt":"I already have a 5 kWh battery and want to know how long it will last with these loads: Fridge:150:8|Router:12:24|LED lights:40:4. Can you run the battery backup calculation using that existing battery capacity so I can see the runtime estimate?"}],"resultDescription":"Returns a JSON object with recommended battery capacity in kWh and amp-hours, suggested inverter size in watts, estimated runtime given the loads, and solar panel/recharge requirements based on peak sun hours — all sized to the specified loads, battery chemistry, autonomy days, and system voltage.","failureModes":["Missing required 'loads' parameter returns an error","Malformed loads string (wrong delimiter or missing fields) may cause a parse error","More than 30 loads specified exceeds the stated maximum","Invalid battery chemistry value outside accepted options (lifepo4, lithium_ion, agm, flooded)","Invalid system_voltage value outside 12/24/48 returns an error","Extremely high surge wattage combinations may produce warnings or edge-case results"],"whenToPreferThis":"Use this endpoint when you need a fast, structured calculation for sizing a battery backup or off-grid solar system from a list of electrical loads. It handles multiple load types including motor surge loads, multiple battery chemistries, and solar recharge estimation in one call — ideal for agents automating energy planning, off-grid system design, or RV/cabin power audits. Prefer this over generic energy calculators when you need LiFePO4/AGM chemistry-aware sizing with autonomy-day and sun-hour inputs in a single API call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:40:40.563Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-battery-backup-calculator-62afc23a"}