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HQST 12V 100Ah Lithium Iron Phosphate LiFePO4 Battery with LED Display [10-Year Warranty]

SKU: HBT12100LFP-S48SC-G7
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$149.99 $289.99
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  • Real-time LED display shows state of charge, voltage, and charge/discharge current at a glance.
  • Charging stops automatically below 32°F (0°C) and resumes above 41°F (5°C); discharge cuts off below –4°F (–20°C) to prevent cold-weather damage.
  • Delivers 1280Wh usable capacity and 100A continuous current — 2–3× more powerful than equivalent lead-acid batteries.
  • Weighs just 22 lbs, roughly 1/5 the weight of a 12V 200Ah lead-acid battery, yet fits the standard Group 31 size (13.07" × 6.77" × 8.66") for drop-in replacement.
  • Features <3% monthly self-discharge at 77°F (vs. up to 30% for lead-acid), built with Grade A+ UL-tested cells for a 10-year lifespan and backed by a 10-year warranty.
  • Easily scalable up to 4S4P, supporting systems up to 20.48kWh.
  • Advanced BMS provides 20+ protections against over/under-voltage, over-current, short circuits, and extreme temperatures.
  • IP65-rated for dustproof and water-resistant outdoor reliability.
  • Ideal for RVs, trailers, trolling motors, boats, off-grid cabins, and home backup during winter storms or hurricane season.
  • Not for engine starting — for deep-cycle use only.
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Return & refund policy

Shipping, Returns & Refunds Policy

Shipping

  • Free standard ground shipping on orders $49.99+ (before tax).
  • Orders below $49.99 are charged a $5 flat shipping fee.
  • Free shipping applies within the contiguous United States only.
  • Oversized, heavy, or restricted items may be excluded (noted on product page).
  • Orders are processed within 1–3 business days (excluding weekends and holidays).
  • Estimated delivery time is 2–7 business days after shipment.
  • Orders may ship in multiple packages, each with its own tracking number.
  • A valid street address is required; some items cannot be delivered to PO Boxes.
  • Shipments cannot be rerouted once shipped.
  • Shipping to Alaska and Hawaii is available with surcharges.
  • International shipping availability varies by location; customers are responsible for customs clearance and duties.

Order Cancellation

  • Orders can be canceled within 4 hours of placement, before shipping begins.
  • Once shipped, cancellation or interception cannot be guaranteed.

Returns

  • Return requests must be submitted within 30 days of delivery.
  • Items must be unused, undamaged, unmodified, and returned in original packaging.
  • A Return Merchandise Authorization (RMA) is required before returning any item.
  • Modified products are not eligible for return.

Return Shipping Costs

  • HQST covers return shipping only if the product was damaged during shipping, defective, or an incorrect item was delivered.
  • For all other reasons, return shipping costs are the customer’s responsibility.

Refunds

  • Refunds are issued within 7–10 business days after inspection.
  • Refunds are processed to the original payment method.
  • Damage caused by improper installation or handling is not eligible for refund.

Replacements

  • Shipping or manufacturing damage must be reported within 30 days, with supporting photos.
  • Replacement items ship via standard shipping only and cannot be expedited.
  • Replacements can only be shipped to the original country of purchase.

Third-Party Purchases

  • Orders placed through third-party sellers are subject to the seller’s return policy.
  • HQST provides warranty replacements only for eligible third-party purchases.

Contact

For shipping, returns, refunds, or replacements, contact:
sales@myhqsolar.com

Description
Specs
Downloads
FAQ
Reviews
Grade A LiFePO4 Battery
Enhanced BMS Protection System
Expandable Up to 20.48 kWh of Power
Charge Your Battery
IP65 Waterproof Rating
Reliable Power for Endless Adventures
For RVs, Trailers
For Trolling Motors
For Home Backup Power
trolling motor battery
HQST
Model
HBT12100LFP-S48SC-G7-US
Nominal Voltage
12.8
Energy
1,280 Wh
Rated Capacity (0.2C)
100Ah
Cycle Life (0.2C, 25±5℃)
3,000 Cycles at 80% DOD
Maximum Continuous Discharge Current
100A
Maximum Charge Current
Optimal: 20A; Maximum: 50A
Max. Charging Voltage
14.6V
Discharge Cut-off Voltage
Lower than 11.1V
Self Discharge Rate
2% ~ 3% per month at 25℃/77℉
Over-Discharge Recovery Voltage
12.6V
Charging Temperature Range
0℃~45℃ / 32℉~113℉
Discharging Temperature Range
-10℃~60℃ / 14℉~140℉
Low Temperature Protection
Charging: -5℃～+5℃ / 23℉~41℉、Discharging: -25℃ ~ -15℃ / -13℉~5℉
HighTemperature Protection
Charging: 60℃ ~ 70℃ / 140℉~158℉，Discharging: 70℃ ~ 80℃ / 158℉~176℉
Storage Temperature Range
-20℃~45℃ / -4℉~113℉ (Store for 1-3 months)， -20℃~20℃ / -4℉~68℉ (Store for 1 year)
Recommended Operating Temperature
20℃ ~ 30℃ / 68℉~86℉
Terminal Bolt Size
Tailor-made M8
Internal Resistance
≤10mΩ
Weight
10 kg / 22 lbs
Dimension
332 x 220 x 172 mm / 13.07 x 8.66 x 6.77 in (L x H x W) Compatible with the Group 31 battery case

HBT12100LFP-S48SC-Manual

Download

Why Isn’t the LED Display Accurate?

If the LED display isn’t showing the correct readings, you can try calibrating it by following these steps:
1. Discharge the battery completely to 0%.
2. Use a compatible LiFePO4 battery charger or solar charge controller to fully charge the battery.
If the issue persists, please contact us at sales@myhqsolar.com for further assistance.

What are the charging voltage and charging current for this battery?

The max. charging voltage is 14.6V and the max. charging current is 50A. For optimal charging performance, we highly recommend adjusting the voltage to 14.2V-14.6V and using a 20A charger.

Does this 12V 100Ah battery offer low-temperature protection?

Yes, it does. When the temp reaches -5℃~5℃, this lithium battery will stop being charged, and when the temp reaches -25℃~15℃, the battery will stop discharging. Ideal for harsh and rugged environments. It also has high temperature protection.

Does this battery have low voltage cut-off protection?

Yes, it does. When the discharge voltage is lower than 11.1V, the battery will shut off automatically.

Can I use my lead acid battery charger to charge the lithium battery?

We recommend using a lithium battery compatible AC to DC charger to charge LiFePO4 batteries, or else cause unreversible lifespan damage to the batteries. You can also charge these batteries using compatible solar charge controllers and solar panels.

Will the battery come with the terminals? And if not, what's the size of the connector terminals?

Yes, it comes with two M8 screw terminals.

Can I charge the battery directly using a solar panel?

No, you should not connect the solar panel directly to the battery. When charging this battery with a solar panel, make sure to use a solar charge controller (either PWM or MPPT) between the panel and the battery. Directly connecting the panel to the battery could result in unstable solar power, which may damage your devices.

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