LF PowerGrid
Energy Storage

UPS Battery

Medium energy storage unit. Buffers 10,000 units with 90% efficiency, toggle output on demand.

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Overview

The UPS Battery is a medium-capacity energy storage unit that buffers power from generation sources and supplies it to connected devices. It auto-manages charge/discharge based on network demand: charges when supply exceeds consumption, discharges when demand exceeds supply. With 10,000 units capacity, 50 u/s charge rate, 70 u/s discharge rate, and 90% roundtrip efficiency, it bridges solar gaps and stabilizes base power distribution. Output can be toggled via action for emergency shutdown. Stored energy persists across server restarts.

Specifications

Property Value
ClassLFPG_BatteryMedium
Base ClassLFPG_WireOwnerBase
TypePassthrough (1 IN + 1 OUT) with energy storage
Portsinput_1 (in), output_1 (out)
Storage Capacity10,000 units
Charge Rate50 u/s (when supply > demand)
Discharge Rate70 u/s (when demand > supply)
Efficiency90% roundtrip (90% of stored energy recoverable)
Output ToggleLFPG_ActionToggleBatteryOutput (action-based)
PersistenceStored energy saved across server restarts
Weight (Kit)8,000g
Weight (Placed)N/A (storage weight not separate)
Size3x3

How It Works

The UPS Battery is a passthrough storage device that accepts power on input_1 and outputs on output_1. It automatically manages energy flow based on network demand: when incoming supply exceeds downstream consumption, the battery charges at up to 50 u/s. When downstream demand exceeds supply, the battery discharges at up to 70 u/s to make up the shortfall. The asymmetric rates (charge 50, discharge 70) allow faster discharge for peak demands while accepting steady trickle charge during low-demand periods.

The battery provides 90% roundtrip efficiency, meaning 10% of stored energy is lost to internal resistance. Stored energy persists across server restarts, making the UPS a reliable long-term power buffer. Output can be toggled on/off via action (LFPG_ActionToggleBatteryOutput) for emergency shutdown or maintenance.

Charge/Discharge Behavior

  • Charging (Supply > Demand): Battery charges at up to 50 u/s
  • Discharging (Demand > Supply): Battery discharges at up to 70 u/s
  • Idle: When supply = demand, battery maintains charge
  • Efficiency: 90% roundtrip means 10% loss during charge/discharge cycle
  • Persistence: Stored energy survives server restarts and admin wipes

Autonomy & Runtime Calculations

Autonomy is the time a fully charged battery can sustain a given load at discharge rate. Examples:

  • 50 u/s constant load: 10,000 ÷ 50 = 200 seconds (~3.3 minutes)
  • 30 u/s constant load: 10,000 ÷ 30 = 333 seconds (~5.5 minutes)
  • 10 u/s constant load: 10,000 ÷ 10 = 1,000 seconds (~16.6 minutes)

Plan battery capacity based on expected load and desired autonomous runtime during nighttime or generator downtime.

Wiring Examples

Solar + Battery 24-Hour Setup

Solar Panel T2 (50 u/s day)
UPS Battery
All Devices
charges day, discharges night

Solar charges battery during daylight; battery supplies devices at night. With moderate device loads (10-30 u/s), UPS provides 3-10 minutes of autonomy, covering early morning/late evening gaps.

Dual Battery Redundancy

Solar Panel T2
Furnace (backup)
Combiner
UPS Battery 1
Combiner
Devices

Two batteries in parallel provide capacity stacking and redundancy. If one fails, the other maintains power. Combiners allow load-balancing across both units.

Hybrid Solar + Furnace

Solar Panel T2 (day: 50)
Furnace (night: 50)
Combiner
UPS Battery
Devices
always has supply

Furnace guarantees nighttime supply; solar charges battery and reduces furnace load during day. Battery buffers transition periods and load spikes.

Charging High-Load Base

Multiple Solar T2
Multiple Furnaces
Combiner (200 u/s)
UPS Battery (slow charge limit 50 u/s)
Excess capacity used for devices

Multiple high-output sources charge battery at 50 u/s limit; excess power flows directly to devices. Battery stores for nighttime or peak demand periods.

Battery Tier Comparison

Battery Type Class Capacity Charge Rate Discharge Rate Efficiency
Small BatteryLFPG_BatterySmall2,000 units20 u/s30 u/s90%
UPS Battery (Medium)LFPG_BatteryMedium10,000 units50 u/s70 u/s90%
Battery Large / SubstationLFPG_BatteryLarge50,000 units100 u/s150 u/s90%

Tips

  • Essential for solar setups — 10,000 units capacity bridges full night cycle at moderate loads
  • Asymmetric charge/discharge (50 up, 70 down) optimizes both steady charge and peak discharge
  • 90% efficiency means ~1 hour of charging stores only ~54 minutes of discharge at 50 u/s
  • Persistent storage survives restarts — stored energy continues from session to session
  • Output toggle allows emergency shutdown via action (useful for maintenance or crisis power rationing)
  • Medium size (3x3) fits most base layouts; upgrade to Battery Large for high-capacity needs
  • Pair with Solar Panel T2 (50 u/s) for ideal charge rate matching (50 u/s charge, 50 u/s consumption)
  • Use multiple UPS batteries in parallel (via combiners) for higher total capacity and redundancy
  • For small bases with low consumption, Small Battery may be sufficient (2,000 units)
  • For massive bases, Battery Large (50,000 units) provides extended autonomy