Do you have to fill all eight slots with batteries? Or can you use 2 or 3?

You must use at least one battery, but each of them will add more capacity to your bank. If you use 2000 mAh capacity batteries, 8 batteries = 16000 mAh.

What does it mean when the "IN" light flashes on the display while charging? Showing 0% charged.

...yeah, i haven't bought these yet but i have one i bought already put together and that one flashs 'in' while it's charging and 'out' when it is discharging along with a number displaying the percentage of charge.

Bought this two days ago. Is it supposed to be slow to charge? 17 hrs to go from 48% to 86%... That's more than a 24 hr charge rate. Really?

It depends on the current your power source supplies. A typical USB power supply charges at 1 to 2 amps. So...Yes. It will charge at a rate of 1 to 2 hours for each battery in the pack. If you have 8, 2 amp hour capacity batteries in the pack, it will most likely take roughly 8 to 16 hours to charge a depleted pack.

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LHIABNN DIY Power Bank Box Flat Head Battery Charger Outer Case,2 USB Output Ports Plastic Shell Box with LCD Display,Micro/Phone/Type-c Input Port Power Bank Case (Black)

Product ID: 209721177

Details

Brand
LHIABNN
Color
Black
Connector Type
Micro USB
Special Feature
Lightweight
Voltage
5 volts

📊Real-time LCD power & status display

🔋8x 18650 flat head battery slots

🔌Dual USB output, 2A max each

₨480

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Power your hustle anywhere, anytime — DIY style!

MASSIVE DIY POWER CAPACITY - Supports 8 high-capacity 18650 batteries for extended on-the-go power.
INSTANT POWER STATUS AT A GLANCE - Clear LCD display keeps you informed of battery levels and charging status anytime.
SIMULTANEOUS DUAL DEVICE CHARGING - Charge two smartphones or gadgets at once with dual 2A USB ports.
SMART INDIVIDUAL BATTERY MANAGEMENT - Each battery slot charges independently and auto-stops at full charge to protect battery life.
UNIVERSAL COMPATIBILITY PORTABILITY - Works with all USB cables and most smartphones including iPhone, Samsung, Xiaomi, and more — all in a sleek, lightweight case.

The LHIABNN DIY Power Bank Box is a versatile, portable charging solution featuring 8 slots for 18650 flat head lithium batteries (not included), dual 2A USB output ports for simultaneous device charging, and a smart LCD display for real-time battery monitoring. Designed for tech-savvy professionals, it supports multiple input types and is compatible with a wide range of smartphones, making it the ultimate customizable power companion for busy millennials on the move.

Specifications

ASIN	B087ZX3GJF
Amperage	2 A
Antenna Location	Phone
Best Sellers Rank	#54,123 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #1,249 in Cell Phone Portable Power Banks
Brand	LHIABNN
Color	Black
Compatible Devices	Smartphone
Compatible Phone Models	Apple iPhone 5s, Apple iPhone 6 Plus, Apple iPhone XR, Apple iPhone XS, Samsung Galaxy S2, Samsung Galaxy S3, Samsung Galaxy S4, Samsung Galaxy S7, Samsung Galaxy S8
Connector Type	Micro USB
Customer Reviews	4.0 4.0 out of 5 stars (378)
Item Dimensions	6.69 x 3.15 x 0.87 inches
Item Dimensions L x W x Thickness	6.69"L x 3.15"W x 0.91"Th
Manufacturer	LHIABNN
Mfr Part Number	HHB0359BK
Model Number	HHB0359BK
Number of Ports	2
Other Special Features of the Product	Lightweight,Portable
Power Source	Battery Powered,Corded Electric,Usb Cable
Reusability	Rechargeable
Unit Count	1 Count
Voltage	5 volts
Wireless Charging Standard	Qi

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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₨480

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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