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Dual-Battery Compatibility: UD Series Inverters Master Both Lithium & Lead-Acid Technologies

Dual-Battery Compatibility: UD Series Inverters Master Both Lithium & Lead-Acid Technologies

2025-04-02

Dual-Battery Compatibility: UD Series Inverters Master Both Lithium & Lead-Acid Technologies

Future-Proof Your Solar Storage with Universal Battery Support

The energy storage revolution demands flexibility. UD Series hybrid inverters break technological barriers with true dual-battery compatibility, seamlessly supporting both lithium and lead-acid batteries in one intelligent system. No more forced choices - your power storage evolves with the times.


Engineering Breakthroughs

1. Auto-Sensing Battery Intelligence

  • Instant recognition of connected battery type (Li-ion/Pb)

  • Automatic profile switching - zero manual configuration

  • Adaptive charging algorithms tailored to each chemistry

2. Advanced Lithium Optimization

  • Supports LiFePO4/NMC batteries with:

    • Native BMS communication (CAN/RS485)

    • Configurable 80-100% DoD cycles

    • Active cell balancing technology

    • Precision CC-CV charging

3. Lead-Acid Performance Enhanced

  • Compatible with AGM/GEL/Flooded batteries

  • 3-stage smart charging (Bulk/Absorption/Float)

  • Temperature-compensated voltage control

  • Anti-sulfation maintenance mode


Technical Comparison

Feature Lithium Mode Lead-Acid Mode
Charging Efficiency Up to 95% 90%
Recommended DoD 80-100% configurable 50-70% optimal
Cycle Life 3,000+ cycles @80% DoD 500-800 cycles @50% DoD
Charging Strategy Precision CC-CV 3-stage intelligent
Special Functions BMS comms/cell balancing Temp compensation/desulfation

Six Competitive Advantages

1. Investment Protection

  • Start with lead-acid, upgrade to lithium anytime

  • Never obsolete - adapts to battery tech advances

2. Hybrid Configurations

  • Primary (Lithium) + Backup (Lead-Acid) setups

  • Emergency parallel operation capability

3. Intelligent Transition

  • Automatic optimal mode selection

  • Manual override available

4. Multi-Layer Safety

  • Overcharge/over-discharge/short-circuit protection

  • Real-time battery health monitoring

5. Remote Management

  • Monitor both battery types via mobile app

  • Individual charge/discharge profiles

6. Efficiency Gains

  • Chemistry-specific optimization

  • 10-15% overall system efficiency improvement


Application Scenarios