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The MillerTech 12V 100Ah Deep Cycle Bluetooth Battery is a versatile, heavy-duty power solution designed for a wide range of applications, including fishing boats, solar systems, kayaks, RVs, workshops, and tiny homes.
Built with a robust, over-engineered design and featuring low-temperature charging protection, this battery ensures reliable performance in even the harshest conditions. It uses advanced LFP chemistry with a 98% efficiency rate, a 10-year No Questions Asked warranty, and prismatic cells for long-lasting durability.
Equipped with Bluetooth technology. The battery connects to an app that allows you to conveniently monitor multiple batteries at once—no more checking multiple apps.
Capacity: 100AH
Voltage: 12.8V
Weight: 26.55 lbs
Size: 10.23” x 6.61” x 8.35”
Warranty: 10 years
BMS: Yes
Chemistry: LFP
Efficiency: 98%
Memory: None
Max Charge/Voltage: 43.2V
Peak Discharge: 150A
Cut-off Voltage: 33V
Max Charge/Discharge Current: 100A
Operating Temp: -4°F – 140°F
Low Temp Charging Protection: Yes
Cell Type: Prismatic
Bluetooth: Yes
THE MILLERTECH® SPORT SERIES LITHIUM BATTERY
10 YEAR GUARANTEED WARRANTY IS SIMPLE!
TERMS:
From the date of your battery purchase through year number 10 of ownership, your battery is covered. If it stops working during this time, we will repair or replace it with a battery of equal or greater value for FREE!
SHIPPING:
We cover all shipping costs associated with shuttling your battery back and forth for repair or replacement. It is our warranty; it is our cost; not yours.
EXCLUSIONS:
There are NONE! You trusted Millertech®, and if it’s within the warranty period your Millertech® battery is completely covered for everything!
PROOF OF PURCHASE:
You don’t need one. If it’s Millertech®, it’s covered!
FOR WARRANTY SERVICE CALL: 855-MAX-LITH
EMAIL: warranty@millertech.zone
This battery pairs with the 12V 20A On-Board Charger. (Find the charger for this battery here.)
You can download the app here: App Store Google Play
(See more info about the app capabilities here.)
With a compact Group Size 24 form factor (10.23” x 6.61” x 8.35”), lightweight 26.55 lb build, heavy-duty M8 stainless steel terminals, and 4S-4P connection capability, this battery delivers high power output without heat build-up.
Whether you’re off-grid, on the water, or powering your adventures, the MillerTech 12V 100Ah Bluetooth Battery is built to keep you going strong.












