1 / 7DR.PREPARE RTPB-015P 16000mAh Heated Apparel Battery Pack
DR.PREPARE RTPB-015P is a 16000mAh battery pack listed for heated apparel, with DC, USB-A and Type-C connections. Its three ports and claimed output options also suit charging compatible personal devices, while its stated run time varies by heat setting.
At a glance
- Three connection types cover heated apparel through the DC port and compatible gadgets through USB-A or Type-C.
- The listing claims 18W fast charging and a 5–6-hour recharge using an 18W input.
- Heated-apparel run-time estimates are separated by setting, from 7–8 hours on Low to 4–5 hours on High.
Reference price: £29.99
Price checked: 14 Nov 2026
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Pros and cons
Pros
- Three ports provide options for heated clothing and for charging compatible phones, tablets or a fan.
- The digital display is a practical feature for checking the pack while in use.
- Type-C is described as both an input and an output.
Technical specifications
22 specifications| Brand | DR.PREPARE |
|---|---|
| Model | RTPB-015P |
| Capacity | 16000 Milliamp Hours |
|---|---|
| Listed voltage | 3.8 Volts |
| Power source | Corded Electric |
| Amperage | 3 Amps |
| Ports | 3 |
| Connectors | Type‑C、USB‑A、DC 3.8mm |
| Battery cell type | Lithium Polymer |
| Battery charge time | 5 Hours |
| Claimed heated-apparel run time | 7–8 hrs on Low, 5–6 hrs on Medium, 4–5 hrs on High |
| Type-C input | Input: Type-C - 5V/3A, 9V/2A |
| Type-C output | Output: Type-C - 5V/3A, 9V/2A, 12V/1.5A |
| USB-A output | USB-A - 5V/3A, 9V/2A, 12V/1.5A |
| DC output | DC - 7.4V/3A, 9V/2A, 12V/1.8A |
| Recharge input claim | 18W input |
| Compatible devices | Heated Vest, Heated Jacket, Heated Eye Mask, Smartphone, Tablet, Desktop Fan |
|---|---|
| Listed features | Digital Display, Lightweight, Pocket Size |
| Listed cordless status | No |
| Dimensions listed | 27 x 102 x 70 millimetres |
|---|---|
| Weight listed | 0.26 Kilograms |
| Battery weight | 80 Grams |
What to know before buying
Listing details to confirm
The listing gives two different full-recharge estimates, so the actual charging time is unclear. The listed power source and portability fields conflict with the product being described as a pocket-sized portable battery pack. The listing is inconsistent: its title claims 7.4V, while the details specify 3.8 Volts. It also describes the pack as portable and pocket-sized but lists portability as No and power source as Corded Electric. Recharge time is stated as both 5 Hours and 5–6 hours with an 18W input. Treat these claims as unconfirmed and check the selected listing for the applicable configuration and charging details. The stated heated-apparel run times depend on Low, Medium or High settings.
Who is it for?
A good fit for
- People seeking a replacement or additional battery pack for compatible heated apparel, after checking the DC connection and voltage requirements.
- Buyers who want a pack with USB-A and Type-C outputs for compatible phones, tablets or small fans.
- Users who value a digital display and mode-specific estimates when planning heated-apparel use.
Less suited to
- Buyers who need a clearly confirmed voltage, portability or recharge-time specification before purchase.
- Anyone needing a battery pack bundled with a heated vest or jacket. The supplied package information does not confirm apparel is included.
Frequently asked questions
How long does it power heated apparel?
The listing claims 7–8 hours on Low, 5–6 hours on Medium and 4–5 hours on High. These are setting-specific claims, not a single guaranteed run time.
Which ports does it have?
The listed connections are Type-C, USB-A and DC 3.8mm. The listing describes Type-C as input and output, with separate output specifications for USB-A and DC.
How long does the battery take to recharge?
The details list 5 Hours, while the feature text claims 5–6 hours using an 18W input. The recharge time is therefore not consistent across the listing.
Is a heated vest included?
The available package information does not list the box contents, so it does not confirm that a vest or jacket is included.
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