The MillerTech 12V 40Ah Sport Series Lithium Battery offers reliable power in a compact design, perfect for various small applications. Equipped with Bluetooth monitoring and low-temp charging protection, this battery ensures consistent performance even in colder climates. Its lightweight, durable build makes it an ideal choice for users needing dependable energy in a portable form.

SPECIFICATIONS

WARRANTY

WEIGHT

14 lbs

SIZE

7.6″x5.2″x7.25″

STORAGE CAPACITY

135 ampere hours (Ah). Milleretch Lithium batteries provide dependable, consistent power throughout the entire 135Ah capacity. Unlike traditional SLA batteries, Millertech Lithium LiFePO4 batteries maintain a flat voltage curve, delivering steady power output as they discharge. This design ensures you’ll enjoy uniform performance right down to the last bit of energy.

Bluetooth Capable

Yes

VOLTAGE

12.8V 

ENERGY

512Wh

TERMINALS

M6

LIFECYCLES (BATTERY LIFESPAN)

Up to 80% capacity for 5,000 cycles under recommended conditions—compared to just 500 cycles for typical SLA batteries. Millertech Lithium batteries offer exceptional longevity, making the cost per use only a fraction of that of traditional batteries.

OPERATING TEMPERATURE

Engineered for rugged and extreme conditions, Millertech Lithium batteries outlast SLA and other lithium options. With an optimal operating range from -20°F to +140°F (performing reliably down to -20°F), these batteries are built to handle tough environments. Note: For best results, avoid charging below 32°F.

DISCHARGE

40 A max continuous discharge. The flat discharge voltage curve provides a 75% bigger capacity then a SLA 50Ah battery.

CHARGE

40 a max, 14.4V recommended, 15V max Please note: this battery should be charged using a LiFePO4 compatible charger. A SLA charger may work, but will reduce performance and lifespan of the battery.

INCLUDES ACTIVE BMS PROTECTION

Equipped with an advanced circuit, this battery ensures cell balancing, low and high voltage cutoff, short circuit protection, and high-temperature protection. These features boost performance and significantly extend the battery's lifespan.

Unleash the Power of MillerTech Lithium

The MillerTech 12V 40Ah Battery provides Bluetooth monitoring, low-temp protection, and reliable power, perfect for compact applications.

USD : 74.75