optimumnano
Product Overview
The High Capacity 12V 20Ah LiFePO4 Battery Pack is designed for reliable power supply in marine, RV, off-grid, and mobility applications.
Built with advanced lithium iron phosphate chemistry, this High Capacity 12V 20Ah LiFePO4 Battery Pack delivers excellent safety, long cycle life, and stable performance under demanding conditions.
With an integrated smart BMS, the High Capacity 12V 20Ah LiFePO4 Battery Pack ensures real-time protection, making it an ideal replacement for traditional lead-acid batteries.
Factory & Equipment
OptimumNano, founded in 2020, is a national "Little Giant" enterprise specializing in LiFePO₄ large cylindrical cells. With a core team of 20 years' experience, we focus on high-performance batteries for electric motorcycles, three-wheelers, enclosed tricycles, mining trucks, heavy trucks, and mobile fast-charging vehicles.
Our advanced production lines and R&D facilities ensure top quality and reliable supply for global customers, supporting OEM customization and bulk orders.

Key Features
Advanced LiFePO4 chemistry with high safety
Built-in intelligent BMS for real-time monitoring and protection
Lightweight design: 1/2–1/3 the weight of lead-acid batteries
Long service life: up to 5–10 years and 7000+ cycles
Environmentally friendly, no heavy metals or corrosive materials
Available in 12V and 24V configurations
Technical Specifications
| Model | HT-LF20 | HT-LF50 | HT-LF60 | HT-LF90 | HT-LF100 | HT-LF105 | HT-LF150 | HT-LF210 | |
|---|---|---|---|---|---|---|---|---|---|
| Nominal Capacity | 20Ah | 50Ah | 60Ah | 90Ah | 100Ah | 105Ah | 150Ah | 210Ah | |
| Nominal Voltage | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V | 12.8V | |
| Approx. Weight | 3kg | 6kg | 8kg | 10kg | 12kg | 13kg | 18kg | 22kg | |
| Max Continuous Discharge | 2.0C | 2.0C | 2.0C | 2.0C | 2.0C | 2.0C | 2.0C | 2.0C | |
| Max Pulse Discharge | 3.0C (3s) | 3.0C (3s) | 3.0C (3s) | 3.0C (3s) | 3.0C (3s) | 3.0C (3s) | 3.0C (3s) | 3.0C (3s) | |
| Series / Parallel | 4S / 4P | 4S / 4P | 4S / 4P | 4S / 4P | 4S / 4P | 4S / 4P | 4S / 4P | 4S / 4P | |
| Battery Cell | Cylindrical LiFePO4 Cells | ||||||||
Built-in BMS Protection
The smart Battery Management System (BMS) provides:
Over-charge protection
Over-discharge protection
Over-current protection
Short-circuit protection
Temperature protection
Applications
The High Capacity 12V 20Ah LiFePO4 Battery Pack is widely used in:
Marine and RV power systems
Golf carts and electric motorcycles
Solar energy storage systems
Off-grid power solutions
UPS, telecom, and backup power
Robotics and mobility equipment

Advantages vs Lead-Acid Batteries
Lighter weight
Longer lifespan and deeper discharge capability
Faster charging and higher efficiency
Maintenance-free operation
Better high-temperature performance
OEM & Customization
Capacity and voltage customization
BMS configuration options
OEM branding and labeling
Custom connectors and housing
FAQ
1. Is this battery a direct replacement for lead-acid batteries?
R: Yes, it is designed as a plug-and-play replacement at the battery pack level.
2. What is the cycle life of this battery?
R: Up to 7000+ cycles under proper usage conditions.
3. Does the battery include a BMS?
R: Yes, each battery pack is equipped with an integrated smart BMS.
4. Can I connect batteries in series or parallel?
R: Yes, up to 4 in series and 4 in parallel.
5. What charging method is recommended?
R: A LiFePO4-compatible charger is required.
6. What is the operating temperature range?
R: Charging: 0–45°C; Discharging: -20–60°C.
7. Are samples available?
R: Yes, sample orders are accepted.
8. What is the MOQ?
R: MOQ depends on model and customization requirements.
9. What is the delivery time?
R: Samples: 5–7 working days; Mass production: 25–30 days.
10. Do you support OEM orders?
R: Yes, OEM and private labeling services are supported.
