HQST 12V 300Ah LiFePO4 Battery - Mini Size & True 3840Wh
- • True 3840Wh Capacity : Delivering the exact power you paid for—no false 3200Wh claims.
- • Compact Mini Size : Measuring 15.04 × 9.84 × 7.60 in — 32% smaller than a standard 12V 300Ah LFP battery. Only 57.3 lbs, up to 70% lighter than three 12V 100Ah lead-acid batteries.
- • Extended Runtime : Powers a 120W device for 32 hours (vs. 26 hours from competitors).
- • Unmatched Value : True power costs only $0.09/Wh compared to the $0.11/Wh market average.
- • EV grade LiFePO4 cells : 100% brand new cells. No recycled parts. 10-Year Warranty.
- • Optimized 200A BMS : Features an aluminum cooling plate to prevent overheating.
- • Ultra-Secure Wiring : Thick 3-6AWG internal cables ensure safe, stable high-current output without melting.
- • Off-Grid Ready : Perfect for RV weekends, trolling motors, and home backup.
HQST 12V 300Ah LiFePO4 Battery - Mini Size & True 3840Wh - 1 Pack is backordered and will ship as soon as it is back in stock.
HQST 12V 300Ah Lithium Iron Phosphate (LiFePO4) Battery
Technical Specifications
Controller Setting (for reference)
Weight & Dimensions
Warranty
Frequently Asked Questions
How does this battery perform in extreme temperatures?
How does this battery perform in extreme temperatures?
This AGM start-stop battery operates reliably in a wide range from -40℉ to 140℉. With 680 CCA, it provides strong cold starts even down to 0℉, while the sealed AGM design ensures stable performance in hot and cold conditions.
Will this battery fit my vehicle?
Will this battery fit my vehicle?
It’s compatible with BCI Group 47 / DIN H5 / AGM L2 / EN 55L2 / QTF-60 batteries, making it ideal for many compact cars, sedans, and daily SUVs. Always confirm your vehicle’s required battery group size before purchase.
Is this battery maintenance-free?
Is this battery maintenance-free?
Yes. The sealed AGM design requires no water refilling, and it is leak-proof and vibration-resistant for reliable everyday performance.
Do I need to register the battery after installation?
Do I need to register the battery after installation?
Some modern vehicles may require battery registration after replacement. Please consult your owner’s manual or your dealer to ensure proper registration for optimal Start-Stop system performance.
Can this battery handle frequent start-stop driving?
Can this battery handle frequent start-stop driving?
Absolutely. Designed for modern start-stop systems, it offers higher charge acceptance and fast energy recovery, supporting frequent engine restarts during city and daily driving.
Are the terminals compatible with my vehicle?
Are the terminals compatible with my vehicle?
This battery uses standard SAE Top Post (T2) terminals. Positive: 19.5 mm, Negative: 17.9 mm. Check your vehicle’s terminal requirements before purchase.











