17500 Charger

21 products

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17500 Charger – Dedicated Li-ion Chargers for 17mm Diameter Medium-Length Cells, Precision & Safe Charging Management

Welcome to our 17500 Charger collection. The 17500 battery (approx. 17mm diameter × 50mm length) is a medium-length cylindrical Li-ion cell with a nominal voltage of 3.7V, full charge of 4.2V, and typical capacities ranging from 830mAh to 1100mAh. Its unique 17mm diameter and 50mm length—positioned between the common 16340 (~34mm) and 16650 (~65mm)—makes it ideal for flashlights, e-cigarettes, power tools, power banks, and various portable electronic devices. This collection features high-quality Li-ion chargers specifically designed for or perfectly compatible with 17500 cells—ranging from single-bay portable chargers to multi-bay digital chargers—ensuring your 17500 batteries are recharged in the safest, most efficient, and most precise manner.

17500 Battery Key Specifications

Parameter	Li-ion
Nominal Voltage	3.7V
Full Charge Voltage	4.2V
Typical Capacity Range	830mAh – 1100mAh
Dimensions (Diameter × Length)	~17mm × 50mm
Recommended Charge Current	0.3A – 0.5A
Weight	~18g – 22g

Core Advantages of 17500 Chargers

Perfect Size Compatibility with Secure Fit: At ~50mm long and ~17mm in diameter, 17500 cells require chargers with adjustable sliders or medium-length bay designs. All chargers in this collection securely hold 17500 cells for reliable contact and uninterrupted charging.
Precision Adaptive Charging Current: With typical capacities of 830mAh–1100mAh, 17500 cells charge best at 0.3A–0.5A. These chargers support adaptive or manually adjustable currents to prevent damage from excessive current and extend battery lifespan.
CC/CV Smart Charging Management: Utilizes constant-current/constant-voltage (CC/CV) charging profile with automatic battery state detection. Charging terminates precisely at 4.2V ±0.05V, effectively preventing overcharging and ensuring battery safety. Some chargers can also automatically activate over-discharged batteries.
Multiple Safety Protections: Built-in overcharge, over-discharge, overcurrent, short-circuit, reverse polarity, and overheat protection for comprehensive charging safety.
Independent Charging Channels: Multi-bay chargers control each slot independently—mix 17500, 18650, 16340, 14500, and other cell sizes with different charge levels without interference.
LCD Digital Display: Real-time monitoring of charging voltage, current, accumulated capacity, and internal resistance—charging status at a glance.

17500 Charger vs. Standard 18650 Charger

Parameter	17500-Compatible Charger (This Collection)	Standard 18650 Charger
Length Compatibility	Slides down to ~50mm, securely holds 17500	Slides typically fit 65mm; 17500 may be loose
Diameter Fitment	17mm diameter needs secure grip	18mm standard, spring tension may be insufficient
Minimum Charge Current	0.1A – 0.3A (suitable for medium cells)	Typically 0.5A+ (too high for 17500)
Supported Cells	17500 / 18500 / 16340 / 14500 / 18650, etc.	Primarily 18650 / 21700
Recommended For	Users of 17500 and multiple Li-ion types	Primary 18650 / 21700 users

Popular 17500 Charger Models – Quick Reference

Category	Model	Bays	Charge Current	Features
2-Bay Portable	XTAR MC2	2	0.5A×2	USB input, ultra-portable, compatible with 17500/18650, etc.
Single-Bay Portable	XTAR MC1	1	0.25A/0.5A	USB input, ultra-compact, auto-detection
2-Bay Digital Charger	XTAR VC2	2	0.5A (adaptive)	LCD display, USB input, supports 17500–18650
2-Bay Smart Charger	Nitecore Ci2	2	Up to 3A	USB-C input, lightweight and portable, compatible with 17500 and many sizes
4-Bay Multi-Function	XTAR VC4	4	0.1A–1A (adjustable)	LCD display, IR detection, compatible with 17500 and many sizes
4-Bay Smart Charger	XTAR X4	4	0.5A/1A/2A selectable	Three-stage charging, 0V activation, power bank function, compatible with 17500
4-Bay Smart Charger	Nitecore D4	4	0.3A–0.75A	Independent channels, auto-detection, LCD
4-Bay Portable	XTAR MX4	4	0.5A	Compact and portable, compatible with 17500/18650 and many sizes

Typical Specifications Range (17500 Chargers)

Parameter	Typical Range
Input Power	USB 5V / Type-C / DC 12V
Charge Cutoff Voltage	4.2V ±0.05V (Li-ion) / 3.65V (LiFePO₄, select models)
Charge Current Range	0.1A – 2A (adjustable/adaptive)
Supported Cell Sizes	17500 / 16340 / 14500 / 18650 / 18500, etc.
Protection Features	Overcharge, over-discharge, overcurrent, short-circuit, reverse polarity, overheat
Display Type	LED indicators / LCD digital display
Operating Temperature	0°C – 40°C

Typical Applications

Application Scenario	Recommended Charger	Why
Travel / on-the-go charging for 17500 flashlight/e-cigarette cells	1/2-bay USB portable (XTAR MC1/MC2)	Ultra-compact, plug into any USB port, supports power bank charging
Daily home use, charging 1–2 17500 cells	2-bay digital charger (XTAR VC2 / Nitecore Ci2)	Real-time data display, clear charging status
Multi-device user; charge 17500, 18650 together	4-bay multi-function (XTAR VC4 / Nitecore D4)	Compatible with multiple sizes, one charger does it all
Need power bank function	4-bay smart charger (XTAR X4)	Can serve as a power bank for emergency phone charging, 0V activation
Need to test capacity and internal resistance for cell matching	8-bay analyzer charger (XTAR VC8)	Capacity testing and IR detection for precise matching

How to Choose the Right 17500 Charger?

Your Requirement	Recommended Type	Suggested Model
I only charge 17500 cells and need maximum portability	1/2-bay USB portable	XTAR MC1/MC2
I want real-time charging data monitoring, daily home use	2-bay digital charger	XTAR VC2, Nitecore Ci2
I have multiple cell sizes (17500/18650/21700) and need one universal charger	4-bay multi-function charger	XTAR VC4, Nitecore D4
I need power bank functionality	4-bay smart charger	XTAR X4
I need to test capacity and internal resistance for cell matching	8-bay analyzer charger	XTAR VC8
I need bulk quantities or custom charging solutions	Contact our sales team	—

⚠️ 17500 Charger Safety Guidelines

Confirm 17500 Size Compatibility: 17500 cells are ~50mm long—about 15mm shorter than 18650s. Verify product specifications to ensure the charger can securely hold 17500 cells before purchase.
Select Appropriate Charge Current: 17500 cells charge best at 0.3A–0.5A. If manual setting is available, select a low current; if adaptive, ensure proper detection.
Distinguish Battery Chemistry: 3.7V Li-ion (full charge 4.2V) and 3.2V LiFePO₄ (full charge 3.65V) require different modes—do not mix.
Avoid High-Temperature Charging: Keep away from heat sources and direct sunlight; ensure good ventilation during charging.
Remove After Full Charge: Although chargers feature auto-termination, prolonged connection to power may still affect battery longevity. Remove batteries promptly after charging.

Why Choose Our 17500 Chargers?

Genuine Brand Products: Chargers from XTAR, Nitecore, and other global professional charger brands—reliable quality with full safety certifications.
Precisely Compatible with 17500: Curated selection of models supporting 17mm diameter and 50mm length with secure grip—eliminates compatibility issues.
One-Stop Shopping: 17500 batteries, chargers, and accessories all in one place—save time and effort.
Flexible Purchasing: Single-unit retail and bulk wholesale options available for both individual and enterprise needs.
Certified & Safe: CE, FCC, RoHS certifications ensure quality and safety.
Expert Technical Support: Guidance on charger selection, usage tips, and after-sales support.

👇👇👇 Browse the product list below to find the perfect 17500 Charger for your needs. For volume quotes or technical inquiries, please contact our customer service team.

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