K2 Energy GT12V100-LTSB-A20 12V 100Ah LiFePO4 Battery – Long-Life, High-Performance Lithium Power Solution

K2 Energy GT12V100-LTSB-A20 12V 100Ah LiFePO4 Battery – USA Support, 3-Year Warranty, Bluetooth Enabled, and Low-Temp Heating

The K2 Energy GT12V100-LTSB-A20 is a high-performance 12-volt, 100-amp-hour LiFePO4 (lithium iron phosphate) battery designed for applications requiring deep-cycle reliability and long-term energy output. Featuring advanced lithium chemistry and an integrated smart BMS, this battery delivers stable voltage, excellent thermal stability, and up to 10 times the lifespan of standard sealed lead-acid alternatives. Its high charge/discharge efficiency and flat voltage curve make it ideal for renewable energy systems, ensuring consistent power delivery across demanding cycles.

Built for versatility, the GT12V100-LTSB-A20 is a top choice for solar energy storage, recreational vehicles (RVs), marine equipment, mobility systems, and industrial backup. The rugged ABS case design withstands vibration and extreme conditions, while zero-maintenance operation and lightweight construction simplify installation. Whether used as a solar backup, off-grid power source, or replacement for heavy AGM units, this K2 Energy lithium battery delivers safe, efficient, and dependable energy for years of operation.

With USA-based customer support, a 3-year warranty, and nearly two decades of expertise, Grand Teton is trusted in NASA, aerospace, medical, and military applications.

About the Battery:

Our 12.8V 100Ah battery combines advanced technology with durability:

• Over 4,000 cycles at 80% depth of discharge
• IP65 dust and water protection
• Rugged and lightweight ABS design
• Smart BMS Protection
• Supports series and parallel connections

Key Product Features:

• USA Support - Real people, right here in the USA.
• 3-Year Warranty - We stand behind every product.
• Trusted by NASA - We are a proven manufacturer.
• Bluetooth Enabled - Monitor the battery status easily.
• Low-Temp Heating - Reliable in the extreme cold.

Specifications:

Voltage and capacity:

• Nominal voltage: 12.8V
• Nominal capacity: 100Ah
• Nominal energy: 1280 Wh

Performance:

• Chemistry: LiFePO4
• Cycle life: 4000 cycles at 80% depth of discharge (DOD)
• Self-discharge: Less than 3% per month

Charging and discharging:

• Low-temperature charging: Yes, has built-in low-temperature technology.
• Maximum continuous discharge current: 100A
• Peak discharge current: 150A
• Recommended charge current: 50A
• Maximum charge current: 100A
• Charge mode: CC-CV (Constant Current, Constant Voltage)

Physical characteristics:

• Dimensions: 10.23 x 6.6 x 9.2 inches
• Weight: 23.14 pounds
• Terminal type: M8
• Enclosure protection: IP67 rating for dust and water resistance
• Casing material: ABS plastic

Features:

• Bluetooth app: Allows for wireless monitoring of the battery's status.
• Parallel/series connection: Supports up to 4 parallel and 4 series connections. 

Compatible Equipment & Applications

The GT12V100 is suited for systems that demand reliable, high-capacity, rechargeable 12V power. Typical use cases include:

• Solar energy storage systems – used in off-grid or hybrid solar installs to store energy generated by solar panels.
• Recreational Vehicles (RVs) / Camper Vans – powering lights, refrigerators, pumps, fans, and other onboard appliances.
• Marine / Boat systems – for navigation, lighting, bilge pumps, trolling motors, and general vessel electronics.
• Backup / UPS systems – for emergency backup power to electronics, routers, alarms, or critical loads.
• Portable / mobile power stations – for camping, field work, mobile workshops, or remote installations.
• Electric vehicles / e-mobility – in smaller EVs, golf carts, or as auxiliary batteries.