EZ-GO Eagle SGC electric golf carts typically use a 48V lead-acid battery system composed of eight 6V deep-cycle batteries connected in series. The Trojan T-105 or TE35 models (6V 245Ah) are industry-standard choices for reliable performance, delivering sufficient runtime and durability. Chargers like 48V 15A–17A units with compatible connectors (e.g., TXT flat-angle plugs) maintain optimal charging cycles. Regular voltage checks and balanced charging extend battery lifespan by preventing sulfation.
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What battery configuration suits the EZ-GO Eagle SGC?
The Eagle SGC uses an 8×6V lead-acid battery series (48V total) for balanced energy density and torque. Trojan’s TE35 batteries (6V 245Ah) provide ~25% longer cycles than standard AGM units. Pro Tip: Label battery terminals during installation to avoid polarity errors—reverse connections can fry controllers within seconds.
Most EZ-GO models require eight 6V batteries arranged in two rows of four. For example, connecting Batteries 1–4 in series creates 24V, then paralleling this set with Batteries 5–8 achieves 48V. This design balances weight distribution and reduces voltage drop during acceleration. However, lithium conversions (e.g., 48V 100Ah LiFePO4) save 40% weight but require BMS-compatible chargers.
How do I select compatible chargers?
Choose 48V lead-acid chargers (10A–17A) with EZ-GO-specific plugs like TXT flat-angle. Opt for models with automatic voltage detection to prevent overcharging. Chargers below 10A extend charging times by 2–3 hours but reduce heat stress.
| Charger Model | Current | Compatibility |
|---|---|---|
| OR900-4815 | 15A | EZ-GO TXT/RXV |
| HD300W | 5A | Light-duty maintenance |
Higher-amperage chargers (15A–17A) refill batteries 35% faster but may require upgraded wiring. For instance, a 17A unit can recharge depleted Trojan TE35s in 6–7 hours versus 10 hours with a 10A charger. Always verify plug alignment—forcing incompatible connectors damages both charger and cart receptacles.
Can lithium batteries replace lead-acid in the Eagle SGC?
Yes, but 48V lithium packs need firmware-updated controllers and lithium-mode chargers. A 48V 100Ah LiFePO4 battery offers 5.1kWh capacity (vs. 4.7kWh for lead-acid) with 80% depth of discharge. However, retrofit kits must include voltage regulators to handle lithium’s steeper discharge curves.
Lithium conversions eliminate watering maintenance and reduce charging times by 50%. But what happens if you use a lead-acid charger on lithium? It risks undercharging (capacity loss) or bypassing critical BMS protections. Pro Tip: Install a battery isolator if mixing lithium with accessories like headlights to prevent voltage spikes.
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FAQs
No—connector types vary. Use TXT flat-angle or RXV triangular plugs matching your cart’s receptacle. Mismatched pins risk short circuits.
How often should I water lead-acid batteries?
Check levels every 30 charges. Add distilled water until plates are barely covered—overfilling causes acid spills during charging.
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