SEAFOREST Solar + Storage System: 4 Charging Modes, 4 Output Modes & 20KWH Case Study

With rising energy costs and environmental awareness, self-consumption solar + storage systems are gaining attention. SEA FOREST's storage PCS features 4 charging modes and 4 output modes, flexibly adapting to diverse lifestyles and power environments while maximizing solar efficiency and ensuring stable supply. Below is an introduction along with a 20KWH installation case in Saitama Prefecture.

1. 4 Charging Modes: Free Combination of Solar & Grid Power

① Solar Priority Mode

Prioritizes solar charging during daytime; grid supplements only when solar is insufficient.

Ideal for high-electricity-cost areas or maximizing self-consumption.

② Grid Priority Mode

Normally charges from grid; automatically switches to solar charging during power outages.

Best for households prioritizing stable power supply.

③ Hybrid Charging Mode

Prioritizes solar MPPT charging; grid quickly supplements any shortfall. Maintains near-full battery status.

Ensures backup power reliability even in unstable grid areas.

④ Solar-Only Charging Mode

Charges exclusively from solar power without using grid. Most environmentally friendly option.

Perfect for regions with good sunlight and off-grid-oriented households.

2. 4 Output Modes: Automatic Switching Based on Load Conditions

① Solar Priority Output Mode

Loads powered by solar + battery. Excess solar charges battery; shortfalls covered by battery.

Maximizes solar self-consumption rate.

② Grid Priority Output Mode

Normally drives loads with grid power; instantly switches to battery output during outages (UPS function).

Keeps essential appliances like ACs and refrigerators running without interruption.

③ Inverter Priority Output Mode

Prioritizes solar and battery power; switches to grid only when battery voltage drops.

Improves DC power utilization efficiency and further reduces electricity costs.

④ Hybrid Load Mode

When battery is fully charged or disconnected, simultaneously supplies power from both solar and grid.

Eliminates waste of surplus solar power and achieves efficient energy use.

3. Japan Installation Case: 20KWH Storage System in Saitama Prefecture

【System Configuration】

Solar Panels: SEA FOREST 520W Flexible Panels ×10 units (5.2KW)

Ultra-lightweight, bendable. Excellent low-light performance, installable on roofs, walls, and various locations.

Batteries: SUN FOREST 5KWH Lithium Batteries ×4 units (20KWH／51.2V100AH)

PSE certified. High-capacity design covers one day of household power consumption.

Storage PCS: SUN FOREST 5KW Off-Grid Power Converter

Pure sine wave output. Peak output up to 11000VA, capable of driving 4HP motor loads.

Accessories: 100A Bus Box, dedicated cables, connectors, etc.

【Installation Benefits】

During typhoon-induced power outages, essential appliances (refrigerators, lighting, ACs, etc.) can operate continuously for approximately 2 days.

Significantly improves life stability during disasters.

Easy installation of flexible panels and automatic PCS operation enable maintenance-free, long-term stable performance.

4. 4 Reasons to Choose SEA FOREST

High Reliability: PSE certified. Equipped with comprehensive protection against overcharge, over-discharge, short circuit, overheating, etc.

Excellent Compatibility: Compatible with various batteries (LiFePO₄, Ternary Lithium, Lead-acid, etc.). Can integrate with existing solar systems.

Easy Operation: LCD screen displays real-time operation status and battery level. One-touch mode switching.

Proven Domestic Track Record: Installed in homes and businesses across Japan, including Saitama Prefecture. Optimal proposals tailored to local climate and power environments.

SEA FOREST Solar + Storage Systems realize energy freedom, cost efficiency, and environmental consideration—simultaneously.

Contact us today for your optimal energy storage solution.

Head Office: XIAMEN SEASHINE FOREST INDUSTRY AND TRADE CO., LTD.

〒361010 Room 2206, No. 6 Hubin East Road, Xiamen, Fujian, China

US Company: SEA FOREST ENERGY STORAGE SOLUTION CORP

Japan Office: Kukikita, Kuki City, Saitama Prefecture／Eri Ezaki 080-4667-6168

Contact: Kaku Guo

Tel: 0086-592-5657925 Fax: 0086-592-5628163

Mobile/WhatsApp: 0086-1360-6089-112

Website: www.seaforestpv.com

【Management Policy】 Honesty, Altruism, Innovation, Enterprise

Over 14 years of new energy trading experience with Japan.