OUKITEL EP2500 Balcony Solar Storage System

A balcony solar storage unit that combines inverter, MPPT, a 2048 Wh LiFePO4 battery and BMS in one body. Four MPPTs take 4000 W of solar, and it delivers 2500 W off-grid and 800–2500 W on-grid at 230 V. Seven extra batteries take it to 16.384 kWh.

~~$858.26~~

2%$838.26

Price with code · Geekbuying · as of 2026-10-09

Code 26BTS01 · 6% off

max $20 · orders over $50 · until 2026-10-31

Copy code & shop Geekbuying

~~$858.26~~2%$838.26Copy code & shop Geekbuying

12048 Wh up to 16.384 kWh

The 2048 Wh base stacks up to seven more batteries. It stores spare balcony solar during the day and feeds it back in the busy evening hours.

24000 W solar on four MPPTs

Four independent MPPTs take 1000 W per panel input, 4000 W in all. At 230 V it gives 2500 W off-grid and 800–2500 W on-grid, with up to 3000 W of bypass.

310 ms backup and IP65

In an outage it switches to backup within 10 ms to keep essentials running. It’s IP65 dust and water resistant, rated for 4000+ cycles with a 10-year warranty, and managed over Wi-Fi and Bluetooth.

Key specs

Capacity: 2048 Wh LiFePO4 (up to 16.384 kWh)
Output: 2500 W off-grid · 800–2500 W on-grid · 230 V
Solar input: 4 × 1000 W (4 MPPTs)
Protection: IP65
Weight: 27.2 kg
Ships from: EU warehouse

Good pick if

European homes with balcony solar, or planning it
You want to cut evening electricity costs

Think twice if

You want something portable for camping

FAQ

Is there a promo code?

Yes. Enter 26BTS01 at Geekbuying checkout when buying the OUKITEL EP2500 Balcony Solar Storage System for 6% off. Conditions: max $20 · orders over $50 · until 2026-10-31.

Which certifications does it have?

The page lists EN 50549, VDE-AR-N 4105, CE, RED, REACH, RoHS and UN38.3. Connect it to the grid according to local rules.

What’s in the box?

The EP2500, an AC power cord, a solar cable removal tool, five screws, three expansion screws, three locking fixings, a manual and a warranty card.