MillerTech 1215-BT
The MillerTech 1215-BT is a battery pack with a nominal voltage of 12.8V, LFP (Lithium Iron Phosphate) cells, a peak of 45 A and an ingress rating of IP65.
Last updated: 15 October 2026
Battery and charging
- Voltage
- 12.8V
- Chemistry
- LFP (Lithium Iron Phosphate)
- Maximum continuous discharge
- Max Charge/Discharge Current: 15A
- Peak discharge
- 45A
- Highest charge current it will take
- Max Charge/Discharge Current: 15A
- Charging voltage
- Max Charge/Voltage: 14.6V
“Capacity 15AH Voltage 12.8V Weight 3.1 lbs Size 6” x 4” x 4””
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“Chemistry – LFP (Lithium Iron Phosphate)”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“Max Charge/Discharge Current: 15A”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“Peak Discharge Current: 45A – 5 sec”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“Max Charge/Discharge Current: 15A”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“Max Charge/Voltage: 14.6V”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
Battery care and safety
- Operating temperature range
- -4F°–140°F
- Ingress protection
- IP65
- Low-temperature charge protection
- Yes
- What the battery management system protects against
- protects the battery from over-charging, over-discharging, excessive current, and unsafe temperatures
“Operating Temp: -4F°–140°F”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“This means they are Marine approved IP65 rated”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“Low Temp Charging Protection: Yes”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“The battery includes an integrated Battery Management System (BMS). The BMS protects the battery from over-charging, over-discharging, excessive current, and unsafe temperatures.”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
Size and fit
- Overall dimensions
- 6” x 4” x 4”
- Terminals
- F2 Spade. (0.250″ quick-disconnect)
- Connector on the battery
- F2 Spade
“Capacity 15AH Voltage 12.8V Weight 3.1 lbs Size 6” x 4” x 4””
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“This battery has a F2 Spade. (0.250″ quick-disconnect)”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
“This battery has a F2 Spade. (0.250″ quick-disconnect)”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
Other findings
- Bluetooth
- Bluetooth
“Equipped with Bluetooth technology”
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
Sources
- 12V 15AH Sport Series Lithium Battery W/ BT (1215-BT) - MillertechArchived document
Source: millertechenergy.com/product/12v15ah-sport-series-lithium-battery-with-bluetooth
Retrieved October 11, 2026