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Black rectangular power bank with three USB ports, rounded edges, matte finish

Techsmarter

Techsmarter TSB2310 30000mAh 65W power bank

SKU CH-TX2R-MBJFH

30,000 mAh capacity powers phones 13 times and laptops twice via 65 W USB-C PD, 22.5 W and 18 W USB-A ports

  • Total capacity30,000 mAh
  • Compatible phone brandsUniversal
  • Compatible phone modelsUniversal
  • Voltage20 V
  • Amperage3.25
  • Output type65 W
  • Charges laptops at 65W via USB-C PD port
  • Fully charges Samsung Galaxy phones in 1 hour with Super Fast Charging
  • 30000mAh capacity powers smartphones up to 13 times
  • Three output ports: 65W USB-C, 22.5W USB-A, 18W USB-A
  • Recharges at 45W input for faster turnaround

What this power bank delivers

The Techsmarter TSB2310 is a 30000 mAh portable charger built for users who need to keep laptops and phones powered during long days away from a wall outlet. Its 65 W USB-C PD output handles USB-C laptops such as MacBook, Chromebook, XPS, ThinkPad and Steam Deck, while two USB-A ports cover phones and tablets. The 45 W input recharges the bank itself quickly.

How the three ports change daily use

One 65 W USB-C PD port fast-charges compatible laptops and supports Samsung Super Fast Charging, filling recent Galaxy models in about one hour. A 22.5 W USB-A port and an 18 W USB-A port charge iPhones and Android phones up to four times faster than standard 5 W chargers. The 30000 mAh capacity provides roughly 13 smartphone charges, 6 iPad charges or 2 MacBook charges per cycle.

Installing and common pitfalls

No software or drivers are required; simply connect a device with the appropriate cable and charging begins automatically. Use a 45 W or higher USB-C charger to replenish the bank at full speed — lower-power adapters will work but take longer. The 15 oz weight and 5.98 x 1.65 x 2.71 in size mean it fits in a backpack but not a small pocket. Only devices that accept USB-C PD or the listed USB-A voltages will charge at the rated speeds.

How it compares

Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.

Price $49.99
Pricier than about 77% of the 1,307 comparable items (median $36.99).

Specifications

Product
Brand nameUniversal
Model nameUniversal
Part numberTSB2310
Total capacity30,000 mAh
Product typePower Bank
Product colorBlack
Ports & slots
Output type65 W
Input45 W
Power
Voltage20 V
Amperage3.25
Size & build
Measurements5.98 × 1.65 × 2.71 in
Compatibility
Compatible phone brandsUniversal
Compatible phone modelsUniversal

Questions about this item

How often will I need to recharge the 30000 mAh power bank itself during a week of daily laptop top-ups?

The 45 W input refills the 30000 mAh unit in roughly 3.5 hours from empty, so one overnight charge covers several days of 65 W laptop sessions.

Which port hits its power ceiling first when I run a laptop and phone together all afternoon?

The 65 W USB-C PD port is the single highest-output channel; sustained dual-device loads share that budget, so the laptop port reaches its limit before the 22.5 W or 18 W USB-A ports do.

How warm does the 15 oz black casing get after hours of 65 W output?

The aluminium-finished housing spreads heat across its 5.98 x 2.71 inch faces; under continuous 65 W draw it becomes noticeably warm but stays within normal operating temperature for lithium-polymer cells.

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