Upgraded 4Pack 160FT 400 LED Battery String Lights - Warm White Timer

In this review of the Upgraded 4Pack 160FT 400 LED Battery String Lights, the bottom line is simple: these lights are for people who want long, flexible, and safe battery-operated strands for both indoor and outdoor decorating. The set delivers four 40ft strings with warm white LEDs, a built-in timer and eight lighting modes, making it ideal for seasonal displays, trees, patios and events where outlets are not convenient. The most compelling reason to buy is the combination of extended run length and IP65-rated protection that lets these lights perform reliably outside while remaining low-voltage and child-safe.

Key Features

• 4 Pack, 160ft total: Four 40ft strings provide wide coverage for a tree, fence, or multiple indoor displays without needing extension cords.
• 100 upgraded LEDs per string: Newly upgraded super bright LEDs give steady, energy-efficient warm white illumination that lasts for over 200 hours on suitable battery usage.
• Battery powered and low voltage: Runs on 3AA batteries per string with a maximum 4.5V output, which is safe to touch and convenient for locations without power.
• IP65 waterproof: Both the strings and the battery case are sealed so the lights can be used outdoors in damp conditions without worry.
• 8 lighting modes and timer: Multiple modes and a 6 hour on/18 hour off timer allow automated daily use and mood adjustments for different occasions.
• Flexible green wire: Thin, pliable wire with 4.5in spacing between LEDs makes shaping around branches or structures easy and discreet.

Who It's For

These battery string lights are best for homeowners and renters who want a non-permanent decorative solution for holiday trees, wreaths, mantels, balconies and gardens. The low-voltage battery operation and waterproof design suit families with children and pet-friendly outdoor areas where loose cords or mains power would be inconvenient.

Shoppers who need ultra-long runtimes without changing batteries frequently or who require plug-in power for very large commercial displays should consider wired or plug-in alternatives. Also note that batteries are not included, so buyers who prefer an all-in-one package should plan to buy 3AA batteries for each string.

Pros & Cons

Pros

• Long coverage with four 40ft strings for flexible decorating across multiple areas.
• Energy-efficient upgraded LEDs with stable brightness and an embedded memory chip for mode recall.
• IP65 waterproof rating makes them suitable for outdoor seasonal use without extra protection.
• Timer and eight modes offer convenience and varied lighting effects for different events.

Cons

• Batteries are required but not included, which means added ongoing cost and occasional battery swaps.

Specifications

Pack	4 strings (40ft each)
Total LEDs	100 LEDs per string / 400 LEDs total
Power	3AA batteries per string (not included), max 4.5V
Wire	Flexible green wire, 4.5in spacing between LEDs
Waterproof	IP65 for lights and battery case
Modes	8 lighting modes with timer and memory chip
Battery box distance	Battery case 7in from first LED

Our Verdict

These upgraded battery string lights are a practical, good-value choice for seasonal home decorators who need flexible, waterproof warm white lighting without relying on mains power. The combination of four long strings, efficient LEDs, an integrated timer and IP65 protection makes them especially useful for patios, trees and temporary displays where convenience and safety matter.

Frequently Asked Questions

Are batteries included?
No, each string requires 3AA batteries that are not included, so plan to purchase batteries separately.

Can these be used outdoors in rain?
Yes, both the string lights and the battery case are rated IP65, so they are designed to withstand damp outdoor conditions.

Will the lights remember my last mode?
Yes, a built-in memory chip remembers the last selected lighting mode when powered back on.