Portable Energy Storage
Shanghai Walmay Group Co., Ltd.

Black Suitcase-Style Portable Power Station
Compact pull-rod design for easy portability.
2200W DC output to power critical devices anytime.
Multi-interface support with full-chain charging compatibility.
Smart LCD display for real-time power status monitoring
+86 13287510939
+86 13287510939
info@walmaygroup.com
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Black Suitcase-Style Portable Power Station
Overview

Walmay Black Portable Power Station is a high-capacity mobile energy storage device designed for home emergency and outdoor scenarios, with pure sine wave inverter. 

Adopting LFP cells and a trolley-style portable design, it supports AC, solar, and car charging, meeting power needs for home backup, outdoor camping, and field work. It also has a blue variant for color selection, complying with global safety certifications.

     Walmay Battery Factory Display
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Battery energy storage product features

Walmay battery energy storage features

  1. High Capacity & Pure Sine Wave: 2000Wh large capacity + 2200W AC output (pure sine wave), powering home appliances like refrigerators and electric fans, and digital devices stably.
  2. Multi-Charging Options: Supports AC input (max 960W), solar input (10-60V, max 800W), and car charging, adapting to indoor and outdoor scenarios.
  3. Portable Trolley Design: Weighs ~23kg with pull rod and wheels, easy to move for outdoor camping, field photography, and emergency rescue.
  4. Dual Color Options: Available in black and blue, matching different user preferences for home decoration or outdoor style.

Walmay battery energy storage important attributes

Parameter NameSpecificationParameter NameSpecification
Power DisplayLED DisplayUSB OutputQC fast charge 18W (max 3A per port)
Cell TypeLithium Iron Phosphate (LFP)Car Charger Output12V-10A, max 120W
Inverter TypePure Sine WaveCharge Temperature-10~40℃
ColorBlack (Blue optional)Discharge Temperature-10~45℃
AC Output220V~50Hz, 2200W (continuous), 2420W (peak)Cycle Life≥1500 cycles
Type-C OutputPD fast charge 20WProtection FunctionsOvercharge, over-discharge, over-temperature, short-circuit protection

Why choose Walmay battery energy storage

  1. Cost-Effective Long-Life: LFP cells with ≥1500 cycles, usable for 5+ years, reducing frequent replacement costs for home and outdoor users.
  2. Safe & Stable: Pure sine wave output protects sensitive devices like laptops; multiple protection functions avoid safety risks during charging and discharging.
  3. All-Scenario Adaptability: One device for home emergency (power outage backup), outdoor camping, and field work, saving the need for multiple devices.
  4. Global After-Sales: 7×24h technical support via Walmay’s 50+ country network, plus 2-year warranty, ensuring worry-free use worldwide.
 Product Application
  1. Home Emergency Backup: Powers refrigerators, lighting, routers, and medical devices (e.g., oxygen concentrators) during grid outages, avoiding life disruptions.
  2. Outdoor Camping & Travel: Supplies power for camping lamps, portable fridges, projectors, and drones, enhancing outdoor living experience.
  3. Field Work & Photography: Provides power for laptops, cameras, and small printers in field surveys, geological exploration, and outdoor photography.
  4. Emergency Rescue: Offers temporary power for communication devices and lighting in disaster relief, road rescue, and remote area support.

-  storage system packaging and transportation  -

WALMAY has a stock of common energy storage products. The packaging standards meet the international transportation requirements of energy storage products to ensure transportation safety.

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- Warehouse inventory

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- Products that customers 

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- Storage product loading

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