Epoch Batteries 70.4V LiMax Complete Kit

Overview and Applications

Upgrade your golf cart, utility vehicle, or custom electric platform with the Epoch Batteries 70.4V LiMax Complete Lithium Conversion Kit. This turnkey 72V-class LiFePO4 system delivers dependable, long-life power in a compact footprint, pairing a 72V 15A lithium charger, a battery gauge, and a 12V converter with real-time monitoring capabilities. Designed for demanding all-day operation, the kit enables modern, high-performance propulsion with easier maintenance and consistent reliability.

Performance Specifications

• Cell configuration: 1P22S; Chemistry: LiFePO4
• Nominal voltage: 70.4V; Max charge voltage: 79.2V; Operating voltage: 55.0–79.2V
• Max continuous discharge: 250A
• Peak discharge: 500A @ 15s; 1000A @ 2s
• Max continuous charge: 100A; Peak charge/regen: 500A @ 15s
• Capacitance life: 3,500 cycles
• Weight and dimensions: 132 lbs; 21.7 in L × 13.4 in W × 9.9 in H
• Charge temperature range: 0–55°C; Discharge temperature range: -20–60°C; Storage: 0–35°C (up to 12 months)

Kit Contents and Monitoring

• Included components: 72V 15A Lithium Charger, Battery Gauge, 12V Converter
• Connectivity: Built-in Bluetooth (iOS & Android) for real-time monitoring
• Updates: Over-the-air firmware updates to maintain optimal performance

Installation, Charging and Maintenance

• Recommended charging settings: Bulk/Absorption 14.2–14.6V; Float 13.4–13.8V; Equalization 14.4V (disabled)
• Charge rate guidance: 50% of battery capacity
• Parallel charging note: Two batteries in parallel require 30 minutes (200Ah) during absorption
• Compatibility note: Not all chargers support multistage charging; verify system compatibility to maximize life and performance

Warranty and Support

Backed by an industry-leading 11-year warranty, with ongoing performance benefits supported by Bluetooth monitoring and OTA firmware updates to keep the system current across its 3,500-cycle life.

Epoch Batteries 70.4V (72V) 105ah - LiMax Series - Lithium LiFePO4 Golf Cart Battery - Complete Kit

Upgrade your ride with the ultimate power solution: the Complete Lithium Conversion Kit. Designed for serious performance and reliability, this kit includes everything you need to modernize your setup, featuring a 72V 15A lithium charger, battery gauge, and 12V converter. With built-in Bluetooth connectivity for iOS and Android devices, you can monitor your system in real time and even receive over-the-air firmware updates to keep your system running at its best. Engineered for demanding applications, the system delivers a powerful 250A max continuous discharge, with peak capabilities of 500A at 15 seconds and an impressive 1000A at 2 seconds.

Built to last, this lithium conversion kit boasts a 3,500-cycle life and is backed by an industry-leading 11-year warranty for peace of mind. The battery supports a 100A max continuous charge and a 500A peak charge/regen at 15 seconds, ensuring rapid recovery and sustained high performance. Whether you're upgrading a golf cart, utility vehicle, or custom application, this kit offers unmatched durability, advanced monitoring features, and the serious power you need for superior all-day performance.

Recommended Charging Settings

To properly charge your Epoch Batteries, you will want to verify that any charging component in your system is capable of being programmed for the following specifications. Charging components can include, but are not limited to converters, inverter chargers, solar charge controllers, DC to DC chargers, etc.

• Bulk/Absorption: 14.2V – 14.6V
• Absorption Time: Two batteries in parallel connections require 30 minutes (200Ah)
• Float: 13.4V – 13.8V
• Equalization: 14.4V / Disabled
• Temperature Compensation: 0 / Disabled
• Charge Rate: 50% of the battery or battery bank capacity
• Battery Charge Temperature Range: 32°F (0°C) to 131°F (55°C)
• Battery Discharge Temperature Range: -4°F (-20°C) to 140°F (60°C)
• Cell Charge Temperature: 32°F (0°C) to 131°F (55°C)

NOTE: Not all chargers are capable of multistage charging. If yours is not, you will want to verify it can be programmed for the Bulk/Absorption voltage and have the other items mentioned disabled if applicable. Consult your charger's manual or the manufacturer.