**RECONDITIONED** 12V 100AH Sport Series Battery Group 31 (1 YR Warranty)
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RECONDITIONED MILLERTECH SPORT SERIES LITHIUM BATTERIES
High-Performance Batteries. Fully Tested. Deeply Discounted.
Our reconditioned batteries are returned units that have been lightly used and thoroughly inspected by our technicians. Each battery undergoes a rigorous multi-point testing process to ensure it meets Millertech performance and safety standards before being resold.
These batteries deliver the same reliable power you expect from the Millertech brand — but at a significantly discounted price.
⚠️ Reconditioned batteries may show minor cosmetic wear.
6 in stock
Description
| Capacity 100AH |
Voltage 12.8V |
Weight 31 lbs |
Size 13” x 6.75” x 8.5” |
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 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 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. You can download the ap here: App Store Google Play
THE MILLERTECH RECONDITIONED SPORT SERIES LITHIUM BATTERY
1-YEAR LIMITED WARRANTY
WARRANTY TERMS:
From the date of your battery purchase, your Millertech Sport Series Lithium Battery is covered by a 1-year limited warranty. If your battery stops working due to a manufacturing defect within the first year, we will repair or replace it with a battery of equal or greater value free of charge.
AFTER 1 YEAR:
If a manufacturer’s defect is identified after the 1-year warranty period, Millertech will still support you. We offer battery repair for a flat fee of $50, including inspection and repair of the defect.
SHIPPING:
We cover all shipping costs associated with returning your battery for repair or replacement during the 1-year warranty period.
After the 1-year period, the customer is responsible for shipping costs.
EXCLUSIONS:
This warranty only covers manufacturer defects. Damage due to misuse, abuse, neglect, improper installation, or normal wear and tear is not covered.
PROOF OF PURCHASE:
You don’t need one. If it’s Millertech, we’ll take care of you!
FOR WARRANTY SERVICE CALL: 855-MAX-LITH
EMAIL: warranty@millertechenergy.com
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