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MillerTech 12190-DP

The MillerTech 12190-DP is a battery pack with a nominal voltage of 12.8V, LFP cells, a continuous discharge of 190 A, a peak of 300 A and an ingress rating of IP65.

Last updated: 15 October 2026

Battery and charging

Voltage
12.8V

“Capacity 190AH Voltage 12.8V Weight 42 lbs Size 13” x 6.75” x 9””

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Chemistry
LFP

“Chemistry: LFP Efficiency: 98%”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Maximum continuous discharge
190A

“Max Charge/Discharge Current: 190A”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Peak discharge
300A

“Peak Discharge – 300A The battery can deliver up to 300 amps for short bursts (up to 5 sec.)”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Cold cranking amps
Cold Cranking Amps (CCA) 1500A

“Cold Cranking Amps (CCA) 1500A”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Charging voltage
Max Charge/Voltage: 14.6V

“Max Charge/Voltage: 14.6V”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Battery care and safety

Ingress protection
IP65

“This means they are Marine approved IP65 rated”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Low-temperature charge protection
Yes

“Low Temp Charging Protection: Yes”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

What the battery management system protects against
protects against over-charging, over-discharging, excessive current, and unsafe temperatures

“The battery includes an integrated Battery Management System (BMS). The BMS protects against over-charging, over-discharging, excessive current, and unsafe temperatures to extend battery life.”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Temperatures it may be charged in
Charging Temp. Range: 25°F-131°F

“The battery includes built-in low-temperature charging protection. This prevents charging in freezing conditions to protect the cells. Charging Temp. Range: 25°F-131°F”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Size and fit

Overall dimensions
13” x 6.75” x 9”

“Capacity 190AH Voltage 12.8V Weight 42 lbs Size 13” x 6.75” x 9””

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Terminals
heavy-duty M8 bolts/washers in 18-8 stainless steel

“Built with heavy-duty M8 bolts/washers in 18-8 stainless steel.”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Connector on the battery
M8

“Built with heavy-duty M8 bolts/washers in 18-8 stainless steel”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Other findings

Bluetooth
Bluetooth

“Equipped with Bluetooth technology”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Certification claims

Certification claimed by the manufacturer
UL Certified; ANSI/CAN/UL 1973:2022 Ed.3

“UL Certified; ANSI/CAN/UL 1973:2022 Ed.3”

Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

Sources

  • 12V 190AH Dual Purpose Sport Series Battery W/ BT (12190-DP) - MillertechArchived document

    Source: millertechenergy.com/product/12v-190ah-sport-series-lithium-iron-phosphate-dual-purpose-battery-with-bluetooth

    Retrieved October 11, 2026