# OUPES Mega 1 S1 Portable Power Station, 1,024Wh, 2,000W LiFePO4

Power camping gear or home essentials with 2,000W output, 1,024Wh LiFePO4 capacity, and expandable battery storage.

- [Original product page](https://www.ofertitastop.com/us/product/oupes-mega-s1-portable-power-station)
- [View offer](https://www.ofertitastop.com/us/visit/oupes-mega-s1-portable-power-station)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-19T06:52:27.292Z
- Brand: OUPES
- Model: S1
- MPN: S1
- SKU: ofertitastop-us-144983
- Category: Hardware > Power & Electrical Supplies > Generators
- Source store: amazon US
- Active deal: Yes
- Price: 466.65 USD
- Previous price: 549.00 USD
- Discount: 15%
- Rating: 4.5 / 5
- Reviews: 1514

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## Getting the most from it

For camping, road trips, off-grid use, or home backup, the OUPES Mega 1 provides battery-powered electricity with a 1,024Wh base capacity and 2,000W of continuous output. Its 4 AC outlets give you room to power several devices from one station, while the 100W USB-C port supports compatible USB-C devices.

At a campsite, you can use it as a central power source for electronics and appliances, then bring it back to the car or home for another use. For outages, its UPS function switches to battery power in less than 20ms, helping connected equipment stay powered through an interruption.

Recharge from AC in a stated 36 minutes to 80%, or combine AC and solar input for a stated 26-minute charge to 80%. The built-in MPPT supports solar charging, and app control lets you monitor and manage the station over Bluetooth.

## Key specifications

- Model: Mega 1 S1
- Battery: 1,024Wh LiFePO4
- AC output: 120V, 2,000W rated, 4,500W surge
- Expansion: Up to 5kWh with two B2 Extra Batteries
- Charging: 0–80% in 36 minutes via AC, 26 minutes with AC and solar input combined
- Features: Built-in MPPT, UPS, app control, 100W USB-C
- Dimensions: 15.1 x 9.1 x 11.6 in
- Weight: 27.8 lb
- Included: AC charging cable, car-to-Anderson charging cable, MC4-to-Anderson charging cable, power station, and user manual

## What stands out

The Mega 1 pairs a substantial base capacity with a 2,000W continuous output, making it useful when a small phone-focused power bank is not enough for the devices in your setup. Its 4,500W surge rating accommodates higher startup demand, while pure sine wave AC output is designed for powering sensitive electronics as well as everyday equipment.

Capacity can grow from 1,024Wh to as much as 5kWh by connecting two B2 Extra Batteries, without adding another inverter. That expandable design suits buyers whose power needs may change between a lighter weekend trip and a longer off-grid stay. LiFePO4 battery cells are rated for 3,500+ cycles, and the smart battery management system is designed to balance cells and manage charging and operating conditions.

Buyers often highlight the power output and usefulness for camping. Feedback on charging and durability is mixed: some describe fast recharging, while others report solar-charging difficulties, experiences with long-term durability also vary. Those perspectives are useful context alongside the station’s stated charging and battery specifications.

## Questions before you buy

**How can I recharge the Mega 1?** It supports AC charging and solar input through its built-in MPPT. The stated charge time to 80% is 36 minutes on AC, or 26 minutes when AC and solar are combined.

**Can I add more battery capacity?** Yes. The station can expand to 5kWh with two B2 Extra Batteries, giving you the option to scale capacity for longer or more power-intensive setups.

**What does the UPS function do?** It provides a transfer time of less than 20ms during a power outage, helping keep connected equipment running as the station switches to battery power.

## Buying verdict

A solid pick if you want one portable station for outdoor power and home backup, with fast stated charging, app control, and room to expand beyond its 1,024Wh base capacity. Its 2,000W output, four AC outlets, and UPS feature make it a practical fit for users who need more than a basic device-charging bank.

## Images

![OUPES Mega 1 S1 Portable Power Station, 1,024Wh, 2,000W LiFePO4 — 1](https://www.ofertitastop.com/i/3txwwIaUu7WiRk-g5GrTwzm900WnnxMx8MRnmCXxbi25KjObZ2UailmK2TKLZju0O1_7FvXP_YajyTYiouLHh8BeqkoD9zCoBYHnFBXZbsU_uQ_QK6jHSKCm8A.jpg)

![OUPES Mega 1 S1 Portable Power Station, 1,024Wh, 2,000W LiFePO4 — 2](https://www.ofertitastop.com/i/eqb8MF0HlBamGKWs6htUqNWjszFZVvJeAtZpMkQvjHtJh7GvRkzkjxfaGsicJx5G5jaq3gwCdTNcwNzjIrnROVk_-qEsXdoBtzI6-qFY_l0cRPwHCET4HhzQXg.jpg)

![OUPES Mega 1 S1 Portable Power Station, 1,024Wh, 2,000W LiFePO4 — 3](https://www.ofertitastop.com/i/IjgcWEEL4c-FoZWrVEEgM1PgIPCbFovJomnPZlur9PJ6S6ga-FBaKjdlvWLqrfpBMkUuaZBspNrkHelj-RXFCB-3o0uE-qIuHWAOyJkJInN9i-PD0BMWLfV5YQ.jpg)

![OUPES Mega 1 S1 Portable Power Station, 1,024Wh, 2,000W LiFePO4 — 4](https://www.ofertitastop.com/i/3gQ9I__nzXfD__o49oTY7SXsZe1wGrGiElo0PcmXtup_qWEElzeV7UdTX3nElGDf1-GWq7wzRKbKTVuhbs_OTTQKpkOQfnCqmPvBjPDJ5V352mYx-VzxLVd-tA.jpg)

![OUPES Mega 1 S1 Portable Power Station, 1,024Wh, 2,000W LiFePO4 — 5](https://www.ofertitastop.com/i/zov9zR-rpa1Sj_cE9VGa5KwNa1qk0mmnYT1sPVWgfVlftjgKHImJuzMjVO4SE8gCA1k_0jNTSYSCopuvO1YZ1xe3rZ4gLJPtQTA940Ld2twr5gTWWFKL3Sjr7g.jpg)