Power Queen 12V 320Ah Mini

Last updated: October 31, 2026

Power Queen 12V 320Ah Mini
3.7/5#4 of 13 in large 12V batteries
3.7

For RV owners who want a full 4 kWh bank in a tight compartment and camp mostly above freezing.

  • 320 Ah (4,096 Wh)Capacity
  • 200 AContinuous output
  • Charge cutoff onlyCold charging
  • YesBluetooth
  • 5 yearsWarranty
  • $0.16Price / Wh
Check price at Amazon$655.49

Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 4 kWh in a case about a third smaller than a typical 300Ah battery
  • 200 A output runs a 2,000 W inverter
  • Bluetooth app shows charge level and current
  • IP65 case shrugs off rain and spray
Cons
  • At 57 lb it needs two hands and a solid mount
  • Stops charging below freezing rather than heating itself
  • Too new for independent capacity tests

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Specifications

Model numberP12V320-200-BT-4-W190
Capacity
Rated capacity320 Ah (4,096 Wh)
Nominal voltage12.8 V
ChemistryLiFePO4
Rated cycle life4,000 at 100% depth
Price per Wh$0.16
BMS
Continuous discharge200 A
Peak discharge1,000 A for 1 s
Max charge current200 A
Low-temperature chargingCharge cutoff only
Bluetooth monitoringYes
Series / parallelup to 4 in series, 4 in parallel
Build
Dimensions14.49 x 7.44 x 10.04 in
Weight57.2 lb
TerminalsM8
Water resistanceIP65
Warranty5 years
Released2026-05

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