Nomad Gear Finder
PurMars P300A
PurMars 300W Portable Power Station (Peak 500W),LiFePO4 Solar Generator | 288Wh (90,000mAh)Portable Power Bank,110V Pure Sine Wave AC Outlet,Lifepo4 Battery,RV,Outdoor Camping,Traveling,Emergencies
A small 288 Wh LiFePO4 station with a 300 W pure sine wave inverter (500 W surge) and UL 2743 listing. At 9.40 lbs it is lighter than most, but capacity and output are below average, and its 2,000+ cycle rating is lower than many LiFePO4 rivals. Port details are not given, so it suits phones, laptops and small camping loads.
- Battery capacity
- 288 Wh
- Output wattage
- 300 W
- Peak wattage
- 500 W
- Weight
- 9.40 lbs
- Brand
- PurMars
Rankings in the portable power stations Category
How does this product compare with others in Nomad Gear Finder's portable power stations category?
- Battery capacity 288 Wh Lower than 71% of 166 others
- Output wattage 300 W Lower than 75% of 165 others
- Peak wattage 500 W Lower than 91% of 136 others
- Length 9.06 in. Lower than 76% of 163 others
- Width 6.70 in. Lower than 74% of 162 others
- Depth/Height 6.70 in. Lower than 77% of 162 others
Compare this product with close matches Compare with all portable power stations
Videos for this product
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Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase; see our About page for more information.
- Model
- P300A
Core specs
- Battery capacity
- 288 Wh
- Output wattage
- 300 W
- Peak wattage
- 500 W
- Cycle lifespan
- 2,000+ Cycles
- Battery chemistry
- LiFePO4
Internals
- Inverter type
- Pure Sine Wave
Physical Attributes
- Weight
- 9.40 lbs
- Length
- 9.06 in.
- Width
- 6.70 in.
- Depth/Height
- 6.70 in.
Warranty & Certification
- Warranty
- 1 Year, +1 Year with Registration
- Certifications summary
- UL 2743, FCC SDoC, UN38.3, CE, RoHS, PSE
- FCC Part 15 compliant
- Yes
- UL 2743 listed
- Yes
- UN 38.3 tested
- Yes
Features
Details from the PurMars P300A Amazon listing:
- Safety & Compliance Certifications: Purmars Portable Power Station Passed **UL2743 Whole Machine Safety Certification**, the compulsory standard for portable power stations sold on Amazon US; equipped with FCC-SDOC Electromagnetic Compatibility Declaration to prevent radio frequency interference; accompanied with UN38.3 Lithium Battery Transportation Test Report to support compliant air and ocean shipment; complete MSDS Material Safety Data Sheet is available, fully satisfying product safety and compliance inspection requirements.
- Safe & Stable Power Supply: PurMars portable power station is equipped with 300Wh lithium-ion battery pack, supports over 2000 deep cycle charges and lasts 5 to 8 times longer than traditional lead-acid batteries. Pure Sine Wave technology AC outlets deliver stable and safe power, preserving battery life and ensuring user/device safety, and reduces audible and electrical noise.
- Upgraded BMS Management System: PurMars generator uses original high quality LiFePO4 batteries, this 300W portable power station has a built-in BMS system to protect the generator in the following conditions, including: short circuit, overcurrent, overload, overvoltage, low voltage, overheat, low temperature. In addition, our 300W power station are CE ROHS UL Standard UN38.3 PSE FCC Certificatation.
- Portable & Mini compact: The 300W battery power station volume is very small, making it easy to fit in a backpack or handbag. The solar generator portable power station weighs is 9.3 pounds and comes with a handheld handle that is very convenient to carry, is the ideal outdoor generator for all your off-grid adventures.
- 3 Charing Ways, 7 Devices Simultaneously: PurMars solar powered power bank provides 3 charging methods, 1. AC Charging, 2.Car charging, 3.Solar panel(solar panels SOLD SEPARATELY) ,In addition, this camping battery power station can charge up to 7 devices at the same time, you can charge your electronic devices including cell phones, laptops, fans or other small electronic products at any time when you are traveling, it is the best companion for your outdoor RV camping, traveling, fishing, and home backup power.
- Warm Tips: Due to transportation and inventory time long lithium iron batteries will be self-discharged resulting in a virtual power state, the first time use you need to run out of power and then fully charged.The USB output and DC output will be automatically turned offif no devices loaded for 5 minutes. The AC output will beautomatically turned off if no devices loaded (or lower than 5W) for 8 hours.
- 【What you get】 1*288Wh Portable Power Station, 1*AC power adapter and 1*user manual(Solar panel not included), 12-month warranty+ 12-month extended warranty .
Similar products from other brands
Chosen for their similar specs and price:
 This productPurMars P300A |
 Goal Zero Yeti 700 |
 Westinghouse iGen400s |
 yewpiny EM300 |
|
|---|---|---|---|---|
| Price | $159.00 | $699.95 | $139.00 | $209.99 |
| Model | P300A | Yeti 700 | iGen400s | EM300 |
| Popular brand | – | Yes | No | No |
| Battery capacity Wh | 288 | 677 | 184 | 259 |
| Battery capacity Ah | – | 26 | 10 | 70 |
| Output wattage W | 300 | 600 | 200 | 300 |
| Peak wattage W | 500 | 1,000 | 400 | 600 |
| Pass-through charging | – | Yes | – | Yes |
| Cycle lifespan | 2,000+ Cycles | 4,000+ Cycles to 80% Original Capacity | 500-1,000 Cycles | 2,000+ Cycles |
| Max expanded capacity Wh | – | 0 | – | – |
| Battery chemistry | LiFePO4 | LiFePO4 | Lithium-ion (NCM) | LiFePO4 |
| Inverter type | Pure Sine Wave | Pure Sine Wave | Modified Sine Wave | – |
| UPS switchover ms | – | 20 | – | – |
| Voltage V | – | 115 | 120 | – |
| Frequency Hz | – | – | 60 | – |
| App connectivity | – | Wi-Fi and Bluetooth | – | – |
| AC outlets count | – | 2 | 2 | 1 |
| AC outlets description | – | 2 x 115V AC Outlet, 600W In Total, 1,000W Surge | 2 x 120V AC Outlet, 200W In Total, 400W Peak, 60Hz | 1 x AC Outlet, 300W In Total, 600W Surge |
| USB-A ports count | – | 2 | 2 | 2 |
| USB-A ports description | – | 2 x 18W (Each Port) | 2 x 18W (Each Port) | 2 x 18W Max., 5V/3A, 9V/2A, 12V/1.5A |
| USB-C ports count | – | 2 | 4 | 2 |
| USB-C ports description | – | 1 x 100W Max., 1 x 30W Max. | 1 x 100W Max., 3 x 30W Max. | 1 x 65W Max., 1 x 36W Max. |
| 12V DC outlets count | – | 2 | 1 | – |
| 12V DC outlets description | – | 1 x 13.5V/12A (Car Outlet), 1 x 6mm Port 13.5V/10A, 182W Max. Shared | 1 x 12V/3A | – |
| AC charging input | – | 500W Max. (Fast Mode), 340W (Low Speed Mode), 120V, 4.16A | 100W Max. (USB-C PD, AC adapter not included) | – |
| AC charging time | – | ≈1.7 Hours (Fast Mode), ≈3 Hours (Low Speed Mode) | 80% in ≈2 Hours (100W USB-C) | ≈3 Hours |
| Solar inputs count | – | 1 | – | – |
| Solar charging input | – | 200W Max., 12.3-28V, 10A Max. | 100W Max., 5-24V | – |
| Solar input voltage | – | 12.3 to 28V DC | 5 to 24V DC | 12 to 20V DC |
| Solar charging time | – | ≈3.8 Hours (200W), ≈8 Hours (100W), ≈15 Hours (50W) | – | – |
| Solar panel connector | – | 8mm | – | DC7909 |
| Car charging input | – | 12V, 10A from Cigarette Lighter Port | – | Yes |
| Car charging time | – | ≈6 Hours (12V) | – | – |
| Charging temp min ℉ | – | 32 | 32 | – |
| Charging temp max ℉ | – | 126 | 104 | – |
| Charging temp min ℃ | – | 0 | 0 | – |
| Charging temp max ℃ | – | 52 | 40 | – |
| Discharging temp min ℉ | – | -4 | 14 | – |
| Discharging temp max ℉ | – | 140 | 104 | – |
| Discharging temp min ℃ | – | -20 | -10 | – |
| Discharging temp max ℃ | – | 60 | 40 | – |
| Weight lbs | 9.40 | 20.30 | 5.53 | 7.17 |
| Weight kg | – | 9.20 | 2.51 | 3.25 |
| Length in. | 9.06 | 11.32 | 9.40 | 7.72 |
| Length mm | – | 288 | 239 | 196 |
| Width in. | 6.70 | 7.84 | 4.50 | 6.93 |
| Width mm | – | 199 | 114 | 176 |
| Depth/Height in. | 6.70 | 8.55 | 5.90 | 6.46 |
| Depth/Height mm | – | 217 | 150 | 164 |
| Built-in wheels | – | No | No | No |
| IP rating | – | IPX4 | – | – |
| Warranty | 1 Year, +1 Year with Registration | 5 Years | 2 Years | 1 Year |
| Certifications summary | UL 2743, FCC SDoC, UN38.3, CE, RoHS, PSE | UL 2743, IEC 62368, UL/IEC 62133, UN 38.3, FCC Part 15 and ISED/IC statements | ETL, FCC, MSDS, UN38.3 | – |
| FCC Part 15 compliant | Yes | Yes | Yes | – |
| UL 2743 listed | Yes | Yes | – | – |
| UN 38.3 tested | Yes | Yes | Yes | – |
| NRTL safety listed (UL/ETL/CSA) | – | Yes | Yes | – |
Prices from Amazon as of . Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of the product. As an Amazon Associate I earn from qualifying purchases.
Specifications last updated Nov 4, 2026.