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Twenty small green circuit boards with USB-C ports and battery terminals

KEHIPI

KEHIPI TP4056 Type-C USB 5V 1A 18650 Lithium Battery Charger Module 20pcs

SKU CH-VV39-0ZD37

Pack of 20 TP4056 charging modules with USB-C input, 1 A charge current, 4.2 V cut-off and 3 A over-current protection for 18650 cells

  • ColorTP4056 Type-C USB 20PCS
  • Charge via Type-C USB with a standard phone charger
  • 1 A maximum output current suits single 18650 cells
  • Dual protection: over-charge at 4.2 V and over-current at 3 A
  • Compact 2.6 × 1.7 cm board fits tight DIY enclosures
  • 20 modules in one pack for multi-cell projects

Pack of 20 charger modules

The KEHIPI TP4056 boards come in a 20-piece pack for makers who need multiple single-cell lithium charging circuits. Each module accepts 5 V through a Type-C USB socket and charges one 18650 cell at up to 1 A. The compact 2.6 cm by 1.7 cm footprint fits tight project enclosures.

Dual protection functions

Over-charge protection stops the charge at 4.2 V ± 1 % while over-current protection trips at 3 A, guarding the cell and the board. A red LED shows active charging and a green LED signals a full cell; with no load the LED stays off. Input voltage solder pads remain available for permanent wiring.

Single-cell headroom

The board comfortably handles one 18650 from 3.2 V discharge cut-off up to the 4.2 V termination point at a steady 1 A rate. It cannot charge multiple cells in series or parallel, and the 1 A limit makes it unsuitable for high-capacity packs that need faster replenishment.

Highlights

  • Charge via Type-C USB with a standard phone charger
  • 1 A maximum output current suits single 18650 cells
  • Dual protection: over-charge at 4.2 V and over-current at 3 A
  • Compact 2.6 × 1.7 cm board fits tight DIY enclosures
  • 20 modules in one pack for multi-cell projects

Specifications

BrandAITRIP
ModelTP4056 Type-c USB
Part NumberEC16958
ColorTP4056 Type-C USB 20PCS

Questions about this item

Will the board itself need replacement after many charge cycles, or only the 18650 cells?

The TP4056 board has no consumable parts listed; only the 18650 lithium cells wear out and need replacing over time.

What stops the charging current first when the module runs continuously at 1000 mA?

The built-in over-current protection trips at 3 A, so the 1 A charge rate is the practical limit during sustained use.

How much heat does each board produce when charging all day from a 5 V Type-C source?

At 1 A and 5 V input the dissipation is modest; the 2.6 × 1.7 cm board runs warm but not hot during continuous operation.

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