The 24V 120Ah 18650 lithium-ion battery is a high-capacity power solution optimized for solar storage, electric vehicles (EVs), and LED lighting. With 18650 cells, it delivers 2.88 kWh energy, 5000+ cycles, and a 29.4V/2A charger for efficient recharging. Its lightweight design (26 kg) and 100% depth of discharge outperform lead-acid alternatives in energy density and lifespan.
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How Does the 24V 120Ah Lithium Battery Compare to Traditional Lead-Acid?
This lithium battery provides 3x the cycle life (5000 vs 1500 cycles), 50% weight reduction, and 95% efficiency versus 80% in lead-acid. It maintains stable voltage during 80% discharge, unlike lead-acid’s 50% limit. Example: A 24V 120Ah Li-ion stores 2.88 kWh usable energy vs 1.44 kWh in equivalent lead-acid.
| Parameter | Lithium 24V 120Ah | Lead-Acid 24V 120Ah |
|---|---|---|
| Weight | 26 kg | 52 kg |
| Cycle Life | 5,000 cycles | 1,500 cycles |
| Charge Efficiency | 95% | 80% |
Advanced lithium chemistry enables deeper discharges without capacity degradation. While lead-acid batteries require monthly equalization charges, the lithium system self-balances through its BMS during charging. In cold climates, lithium maintains 85% capacity at -10°C versus lead-acid’s 50% performance drop. For EV conversions, the 24V lithium pack delivers 20% more torque due to stable voltage output during acceleration.
Top 5 best-selling Group 14 batteries under $100
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Weize YTX14 BS ATV Battery  |
Maintenance-free sealed AGM battery, compatible with various motorcycles and powersports vehicles. | View on Amazon |
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UPLUS ATV Battery YTX14AH-BS  |
Sealed AGM battery designed for ATVs, UTVs, and motorcycles, offering reliable performance. | View on Amazon |
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Weize YTX20L-BS High Performance  |
High-performance sealed AGM battery suitable for motorcycles and snowmobiles. | View on Amazon |
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Mighty Max Battery ML-U1-CCAHR  |
Rechargeable SLA AGM battery with 320 CCA, ideal for various powersport applications. | View on Amazon |
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Battanux 12N9-BS Motorcycle Battery  |
Sealed SLA/AGM battery for ATVs and motorcycles, maintenance-free with advanced technology. | View on Amazon |
What Safety Features Protect This Lithium-Ion Battery System?
The battery integrates a 7-layer BMS with overcharge protection (cuts off at 29.4V), temperature monitoring (-20°C to 60°C range), and short-circuit shutdown. Cell-level fusing prevents thermal runaway. IP65-rated casing resists dust/water ingress. UL-certified cells ensure stable chemistry during 2C continuous discharge.
Each protection layer operates independently – the primary safety circuit disconnects at 3.65V per cell, while secondary protection triggers at 3.9V. The nickel-plated steel casing provides electromagnetic shielding, reducing fire risks from external sparks. In thermal stress tests, the battery shows no venting below 150°C, meeting UN38.3 transportation safety requirements. For marine applications, the corrosion-resistant terminals prevent saltwater degradation, and the pressure relief valves activate at 10kPa to prevent casing rupture.
“The 24V 120Ah configuration hits the sweet spot for mid-scale energy storage. Using grade-A 18650 cells with nickel-plated steel interconnects reduces internal resistance to <50mΩ, enabling 150A peak currents. For solar installers, the integrated Bluetooth BMS (optional) allows SOC monitoring via smartphone - a game-changer for remote systems." - Industry Battery Engineer
FAQs
- Q: Can I charge with solar panels directly?
- A: No – requires a 24V MPPT charge controller between panels and battery.
- Q: What’s the full recharge time?
- A: 10 hours from empty (120Ah / 2A charger = 60 hours) but typical 6-hour solar charging at 20A.
- Q: Is parallel connection safe?
- A: Yes, up to 4 units using 25mm² cables, ensuring <0.2V difference between packs.