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Portable power / Lineup guide

Which LiFePO4 Store should you buy?

Compare the 12V 100Ah RV LiFePO4 Battery, 12V 300Ah Bluetooth LiFePO4 Battery side by side: specs, prices, the LiFePO4 Store discount code, and which model fits your trip.

By Outdoor Gear Verdict Editorial · Specs from each manufacturer’s product page

The quick answer

The TTWEN 12V 100Ah Group 31 RV LiFePO4 Battery suits van and motorhome owners building a 12V house-power system around a Group 31 LiFePO4 battery. The TTWEN 12V 300Ah Bluetooth LiFePO4 Battery suits system builders who need a large 12V LiFePO4 bank for an RV, boat, or off-grid setup.

LiFePO4 Store: SEGPDGWJ for 2% off

TTWEN Group 31 12.8V 100Ah LiFePO4 deep-cycle battery with carry handle and M8 terminals

Best for van and motorhome owners building a 12V house-power system around a Group 31 LiFePO4 battery

TTWEN 12V 100Ah Group 31 RV LiFePO4 Battery

A 1,280Wh deep-cycle battery for a 12V RV system.

Price$229.99≈ $225.39 with code

Price today$229.99

Est. with code$225.39

Save about $4.60 with SEGPDGWJ. Price checked October 25, 2026 · LiFePO4 Store store · Store price; tax and shipping shown at checkout.

2% off

Shop LiFePO4 Store · est. $225.39 with code

Skip it if you want an all-in-one power station with an inverter, display, and ready-to-use AC outlets

Read the full review

Blue TTWEN 12.8V 300Ah LiFePO4 battery shown beside a smartphone running its Bluetooth monitoring app

Best for system builders who need a large 12V LiFePO4 bank for an RV, boat, or off-grid setup

TTWEN 12V 300Ah Bluetooth LiFePO4 Battery

A large 3,840Wh deep-cycle battery with Bluetooth monitoring.

Price$300.00

Price today $300.00 · 2% off with the code.

Price checked October 28, 2026 · TTWEN US storefront · USD listing for Blue. Storefront and variant-feed availability conflicted; confirm orderability and delivery at checkout. Confirm the benefit in the final order summary before paying.

2% off · check model eligibility

Copy code & shop LiFePO4 Store

Skip it if you need a Group 31-sized case, a verified cold-weather charging range, or a ready-to-use power station with AC outlets

Read the full review

The specs, side by side.

12V 100Ah RV LiFePO4 Battery

Chemistry: LiFePO4 (lithium iron phosphate)
Nominal voltage: 12.8V
Rated capacity: 100Ah / 1,280Wh
Battery management system: 100A BMS listed
Charging: 14.6V; 20A standard charge listed
Terminals: M8
Ingress protection: IP65
Cycle life: 4,000 or more cycles
Dimensions: 333 × 176 × 221mm; height listed excluding terminal posts
Weight: About 11.5kg
Temperature range: Charging: 0 to 45°C; discharging: −20 to 60°C
Model / configuration: TTWEN 12V 100Ah Group 31 RV battery

12V 300Ah Bluetooth LiFePO4 Battery

Variant / SKU: Blue · TTWEN-12-300BT-US
Chemistry: LiFePO4 (lithium iron phosphate)
Nominal voltage: 12.8V (12V class)
Rated capacity: 300Ah / 3,840Wh
Battery management system: 200A BMS
Maximum continuous load: 2,560W (manufacturer stated)
Cycle life claim: 4,000 cycles at 100% DOD; 6,000 at 80%; 15,000 at 60%
Bluetooth: Bluetooth 5.0; app displays state of charge, power, and voltage
Ingress protection: IP65
Discharge temperature: −20°C to 60°C (manufacturer stated)
Label charging details: 14.4V ±0.2V; 60A recommended charge current (0.2C)
Dimensions: 20.55 × 9.37 × 8.58 inches (manufacturer graphic)
Weight: Approximately 55.55 lb (manufacturer graphic)
Expansion claim: Manufacturer lists 4P4S, up to 61.44kWh and 40.96kW; confirm the exact configuration in the product instructions

Manufacturer specifications for each reviewed configuration. Different brands label specs differently, so compare like for like.

Where each one wins.

TTWEN 12V 100Ah Group 31 RV LiFePO4 Battery

Useful capacity in a familiar case size
Key electrical details are listed
Built for a house-power role

It is one part of an electrical system
Keep charging in range

TTWEN 12V 300Ah Bluetooth LiFePO4 Battery

A large energy reserve in one battery
Bluetooth readings are part of the design
The maker publishes useful system limits

Measure the battery bay before buying
This is a battery, not an AC power station
Some installation details are missing

A few good questions.

Which LiFePO4 Store model should I buy?

Is there a LiFePO4 Store discount code?

Our partner record lists code SEGPDGWJ for 2% off at LiFePO4 Store. Confirm the benefit in the final order summary before paying.

Who should skip the TTWEN 12V 100Ah Group 31 RV LiFePO4 Battery?

Look elsewhere if you want an all-in-one power station with an inverter, display, and ready-to-use AC outlets.

Who should skip the TTWEN 12V 300Ah Bluetooth LiFePO4 Battery?

Look elsewhere if you need a Group 31-sized case, a verified cold-weather charging range, or a ready-to-use power station with AC outlets.