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Black rectangular USB-C power bank with rounded edges, compact lipstick-sized form factor

No Sew

No Sew KL-YD47-C1 4500 mAh USB-C power bank

SKU CH-NPNC-CE2VN MPN KL-YD47-C1

A 4500 mAh lithium-polymer power bank with built-in USB-C connector and pass-through charging for Android phones and other USB-C devices

  • Type4500 milliamp_hours
  • ColorBlack
  • Capacity4500 milliamp_hours
  • Chemicallithium_polymer
  • Volt5 volts_of_direct_current
  • OutputUSB Type C
  • Charges most Android phones 0.5 to 1 times with 4500 mAh capacity
  • Built-in USB-C connector removes need for extra cable
  • Pocket-size dimensions of 1.57 in x 2.91 in x 1.42 in
  • Pass-through charging powers phone while power bank recharges
  • Multiple safety protections guard against over-charging, over-discharging and short-circuit

What it is and who it's for

The No Sew KL-YD47-C1 is a 4500 mAh USB-C power bank built for Android phones such as Samsung Galaxy, Pixel, LG and OnePlus models. Its lithium-polymer cell delivers 5 V output through a built-in USB-C connector, so no separate cable is needed for charging the phone.

The spec that decides fit

The single USB-C port handles both input and output and supports pass-through charging, letting you top up the power bank while it powers your device. Capacity is rated at 4500 mAh, which the supplier says provides roughly .5 to 1 full charge for most compatible Android handsets.

Who should buy — and who shouldn't

This unit suits users who want an ultra-compact, cordless backup that slips into a pocket or purse for daily emergencies. It is not for buyers who need multiple simultaneous outputs, wireless charging, higher capacity for several full phone charges, or a Lightning connector for iPhone models.

Highlights

  • Charges most Android phones 0.5 to 1 times with 4500 mAh capacity
  • Built-in USB-C connector removes need for extra cable
  • Pocket-size dimensions of 1.57 in x 2.91 in x 1.42 in
  • Pass-through charging powers phone while power bank recharges
  • Multiple safety protections guard against over-charging, over-discharging and short-circuit

Specifications

BrandKuulaa
ModelKL-YD47-C1
Type4500 milliamp_hours
ColorBlack
Part NumberKL-YD47-C1
Capacity4500 milliamp_hours
Chemicallithium_polymer
Volt5 volts_of_direct_current
OutputUSB Type C
InputUSB Type C
Dimension1.57 in x 2.91 in x 1.42 in

Questions about this item

How many phone charges does the 4500 mAh capacity actually give?

The 4500 mAh cell delivers roughly 0.5 to 1 full charge for most Android phones, depending on the handset's own battery size.

What does the USB-C port support for input and output?

The single USB-C port handles both 5 V input to recharge the bank and 5 V output to charge your device; no higher-voltage PD profiles are listed.

Will the 1.57 × 2.91 × 1.42 in dimensions fit in a small pocket or purse?

Yes, the lipstick-sized case measures 1.57 in wide, 2.91 in tall and 1.42 in deep, so it slides easily into a pocket or small bag.

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