Description
MH-MH-5D82HP USB-C Dual-Slot 18650/21700 Charger | 4.2V 2000mA, Independent Charging — Supports 18650/21700/26650/18500/14500/16340
Highlights / Why you’ll like it
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Two independent slots: Dual bays with separate status so you can charge two cells at once without interaction.
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USB-C input: Top panel marked IN Type-C for easy 5V USB power from adapters, power banks, or PCs.
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Printed output rating: DC 4.2V ±0.1V / 2000mA for 3.7V lithium cells.
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Multi-size support: Packaging lists 18650 / 21700 / 26650 / 18500 / 14500 / 16340.
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LED status: Red during charging, green when fully charged.
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Dual bar scales on the face: Each side shows 25%/50%/75%/100% with 3.2V / 3.6V / 3.9V / 4.2V labels.
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Bench-friendly sleds: Spring-loaded rails with molded “+” at the fixed contacts for clear polarity.
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Compliance icons on the box: CE and RoHS.
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Cable shown in photos: USB-A → USB-C lead alongside the charger.
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Box callouts: “High speed charging,” “Independent charging,” “Red full automatic stop.”
Integration / Use / Wiring
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Power input: USB Type-C; side panel states Input: DC 5.0V ±0.1V / 2A–4A.
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Charge output: DC 4.2V ±0.1V / 2000mA.
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Battery types & sizes: 3.7V lithium batteries in sizes 18650 / 21700 / 26650 / 18500 / 14500 / 16340 (as printed).
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Slots: 2; charging described as independent on the packaging.
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Indicators: Bicolor LED with the packaging text red during charging and green when fully charged; front has two printed four-bar scales with voltage marks 3.2/3.6/3.9/4.2V.
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Polarity: “+” symbol molded at the fixed upper contacts; spring-loaded sled ends for the negative terminals.
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Quick start:
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Connect a 5V USB supply to the Type-C input.
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Insert one or two compatible cells observing + / − marks.
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Confirm red LED while charging; remove each cell when its LED turns green.
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Safety text on the box: do not charge non-rechargeable batteries; avoid short-circuiting, disassembly, or high-temperature storage; do not mix rechargeable with dry/Ni-Cd batteries or charge different capacities/models together; keep away from heat, wetness, and humidity; do not charge damaged or deformed batteries.
Specifications
| Parameter | Value |
|---|---|
| Model | MH-5D82HP |
| Product type | USB charger for 3.7V lithium batteries |
| Slots | 2 (independent charging, per packaging) |
| Input connector | USB Type-C (face labeled IN Type-C) |
| Input rating | DC 5.0V ±0.1V / 2A–4A |
| Output rating | DC 4.2V ±0.1V / 2000mA |
| Supported sizes | 18650, 21700, 26650, 18500, 14500, 16340 |
| Indicator behavior | Red charging, Green full |
| Front-panel scales | 25% 3.2V / 50% 3.6V / 75% 3.9V / 100% 4.2V (left and right) |
| Polarity markings | Molded “+” at fixed contacts; spring rails at opposite ends |
| Body | Black plastic housing; textured rails and central guides |
| Compliance icons | CE, RoHS |
| Country of origin (box print) | Made in China |
What’s in the box
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1× MH-5D82HP dual-slot charger
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1× USB-A to USB-C cable
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Retail packaging

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