22700 Charger

22700 Charger – Dedicated Chargers for 22mm Diameter High-Energy Li-ion Cells, Precision, Safe & Efficient Charging Management

Welcome to our 22700 Charger collection. The 22700 battery (approx. 22mm diameter × 71mm length) is a high-capacity cylindrical Li-ion cell with a nominal voltage of 3.6V–3.7V, full charge of 4.2V ±0.05V, and typical capacities reaching 5300mAh to 5630mAh, with maximum continuous discharge currents up to 12A–15A. Its unique combination of 22mm diameter and 71mm length—longer and wider than the common 21700 (21mm × 70mm)—makes it ideal for high-lumen flashlights, small fans, e-bike battery packs, portable energy storage, and various high-drain portable electronic devices. This platform demands chargers with precise voltage control, adaptive charging current, secure physical fitment, and comprehensive safety protections. This collection features high-quality 22700 chargers from global professional brands like XTAR and Nitecore—ranging from single-bay portable chargers to 4-bay analyzers—ensuring your 22700 batteries are recharged in the safest, most efficient, and most precise manner.

22700 Battery Key Specifications

Parameter	Typical Values
Nominal Voltage	3.6V – 3.7V
Full Charge Voltage	4.2V ±0.05V
Discharge Cut-off Voltage	2.5V (recommend timely recharge)
Typical Capacity Range	5300mAh – 5630mAh
Standard Charge Current	0.5A – 2.7A (CC-CV charging)
Max Continuous Discharge	12A – 15A
Dimensions (Dia. × Length)	~22mm × 71mm
Weight	~74.5g

22700 vs. Other Common Formats – Size Comparison

Parameter	22700	21700	22650	18650
Dimensions	22mm × 71mm	21mm × 70mm	22mm × 65mm	18mm × 65mm
Typical Capacity	5300–5630mAh	3000–5800mAh	2000–5000mAh	1500–3500mAh
Diameter	22mm	21mm	22mm	18mm
Length	71mm	70mm	65mm	65mm
Key Characteristics	High capacity, longer & wider than 21700	New mainstream, highest density	Same diameter, moderate capacity	Most standardized, lowest cost
Typical Applications	Flashlights, fans, e-bikes	EVs, premium tools, storage	Flashlights, power tools	Universal across all categories

Core Advantages of 22700 Chargers

• Perfect Size Compatibility with Secure Fit: At ~71mm long and ~22mm in diameter, 22700 cells are slightly longer than 21700 (70mm) and share the same diameter as 22650. All chargers in this collection feature adjustable sliders with sufficient travel to accommodate 71mm length, ensuring secure contact and preventing charging interruptions or high contact resistance. Models like the XTAR OVER 4 SLIM support maximum battery lengths up to 71mm for perfect fitment. For protected longer 22700 cells (up to 75mm+), select chargers (e.g., XTAR VC4 Plus) offer extended slider travel.
• Compatible with Most Mainstream Chargers: The 22700 battery's dimensions allow it to be compatible with most chargers that support extended slider travel. Confirmed compatible chargers include XTAR OVER 4 SLIM, XTAR VC4 Plus, XTAR SC2, Nitecore D4, Veho V1, Alonefire A1, Klarus K1 Pro, PUJIMAX 2/4-bay chargers, SUNLYTOUR LCD charger, and more.
• Multi-Chemistry Auto-Detection: Most chargers in this collection support automatic detection of both Li-ion (3.7V) and NiMH (1.2V) chemistries. Select professional models (e.g., XTAR VC4 Plus, Nitecore D4) also support LiFePO₄ (3.2V) mode, ensuring each battery type terminates at the correct voltage to prevent overcharging.
• Precision Adaptive Charging Current: With typical capacities of 5300mAh–5630mAh, 22700 cells charge best at 0.5A–2.7A. These chargers support adaptive or manually adjustable currents to prevent damage from excessive current and extend battery lifespan. Models like the XTAR OVER 4 SLIM support 1A–4.1A adjustable current, automatically matching the optimal charging scheme.
• CC/CV Smart Charging Management: Utilizes constant-current/constant-voltage (CC/CV) charging profiles controlled by built-in microprocessors (MCU). The charger automatically detects battery status and internal resistance to precisely control charging current and cut-off voltage. Typical cut-off accuracy reaches 4.2V ±0.05V, automatically terminating upon full charge to prevent overcharging and maximize battery cycle life. The XTAR OVER 4 SLIM employs a three-stage (TC-CC-CV) charging process—waking up over-discharged batteries with low current, then constant current charging, and finally constant voltage topping.
• Multiple Safety Protections: Built-in protections against overcharge, over-discharge, overcurrent, short-circuit, reverse polarity, and overheat ensure comprehensive charging safety. Most products feature ABS/PC fire-retardant housing and are certified to CE, FCC, and RoHS international safety standards for guaranteed quality and reliability.
• Independent Charging Channels: Multi-bay chargers feature independently controlled channels, allowing simultaneous charging of different battery models, capacities, and charge levels—mix 22700, 22650, 21700, 18650, 26650, and other cell sizes without interference.
• LCD Display & Advanced Features: Mid-to-high-end models feature high-definition LCD screens displaying real-time charging voltage, charging current, accumulated capacity, and internal resistance. Select models also offer advanced functions such as capacity testing, IR detection, storage mode, and 0V activation—ideal tools for battery pack assembly and performance analysis.

22700 Charger vs. 22650 Charger vs. 21700 Charger

Parameter	22700 Charger (This Collection)	22650 Charger	21700 Charger
Length Compatibility	Slides down to ~71mm	Slides down to ~65mm–70mm	Slides down to ~70mm–75mm
Diameter Fitment	22mm diameter secure grip	22mm diameter secure grip	21mm diameter secure grip
Can Charge 22700?	✅ Yes (dedicated or fully compatible)	✅ Usually compatible (same diameter)	⚠️ Verify slider travel ≥71mm
Protected 22700 Compatible	✅ Select models explicitly supported	✅ Select models explicitly supported	✅ Select models explicitly supported
Supported Cells	22700 / 22650 / 21700 / 18650 / 26650, etc.	22650 / 22700 / 21700 / 18650, etc.	21700 / 20700 / 22700 / 18650, etc.
Recommended For	22700 primary users	22650 primary users	21700 primary users

Popular 22700 Charger Models – Quick Reference

Category	Model	Bays	Charge Current	Features
4-Bay Multi-Function	XTAR VC4 Plus	4	0.5A–3A (adjustable)	18W QC3.0 fast charge, capacity test, IR detection, storage mode, 0V activation, 22700 compatible
2-Bay Extreme Fast	XTAR OVER 4 SLIM	2	1A/2A/4.1A selectable	LCD battery percentage, TC-CC-CV three-stage charging, supports up to 71mm length
2-Bay Fast Charger	XTAR SC2	2	2A×2 / 3A×1	QC3.0 protocol, LED status indicator, 0V activation, 22700/21700/18650 compatible
4-Bay Smart Charger	Veho V1	4	Auto-adaptive	USB input, 22700/18650/21700 compatible (19+ sizes), reverse/overcharge protection
Single-Bay Portable	Klarus K1 Pro	1	Auto-adaptive	USB-C input, 22700/21700/18650/NiMH compatible, ultra-portable
Single-Bay Portable	Alonefire A1	1	1A	USB input, low-voltage activation, multiple protections, 22700 compatible (15+ sizes)
2-Bay Universal Charger	PUJIMAX 2-Bay	2	1A×2	USB input, 22700/21700/18650 compatible, independent channels

Typical Specifications Range (22700 Chargers)

Parameter	Typical Range
Input Power	USB 5V / Type-C / QC3.0 / DC 12V
Charge Cutoff Voltage	4.2V ±0.05V (Li-ion) / 3.65V (LiFePO₄) / 1.45V–1.5V (NiMH)
Charge Current Range	0.1A – 4.1A (adjustable/adaptive)
Supported Cell Sizes	10440 / 14500 / 16340 / 17500 / 18350 / 18500 / 18650 / 20700 / 21700 / 22650 / 22700 / 25500 / 26650, 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 22700 flashlight/fan cells	Single-bay USB portable (Klarus K1 Pro / Alonefire A1)	Ultra-compact, USB plug-and-charge, power bank compatible
Daily home use, charging 1–2 22700 cells	2-bay fast charger (XTAR SC2 / PUJIMAX 2-Bay)	Independent channels, clear charging status, secure fit
Multi-device user; charge 22700, 18650, 21700, NiMH together	4-bay multi-function (XTAR VC4 Plus / Veho V1)	Compatible with Li-ion/NiMH/LiFePO₄, one charger does it all
Using protected longer 22700 cells	Extended slider models	XTAR VC4 Plus, SUNLYTOUR 4-Bay (75mm slider travel)
Need capacity & IR testing for cell matching	4-bay analyzer charger (XTAR VC4 Plus)	Capacity testing and IR detection for precise matching
Need extreme fast charging for shortest charging time	2-bay extreme fast charger (XTAR OVER 4 SLIM)	4.1A extreme fast charging, three-stage TC-CC-CV protection

How to Choose the Right 22700 Charger?

Your Requirement	Recommended Type	Suggested Model
I only charge 22700 cells and need maximum portability	Single-bay USB portable	Klarus K1 Pro, Alonefire A1
I want real-time charging data monitoring, daily home use	2-bay fast charger / 4-bay multi-function	XTAR SC2, XTAR VC4 Plus
I have multiple cell types (22700/22650/18650/NiMH) and need one universal charger	4-bay multi-function charger	XTAR VC4 Plus, Veho V1
I use protected longer 22700 batteries	Extended slider models	XTAR VC4 Plus, SUNLYTOUR 4-Bay
I need to test capacity and IR for cell matching	4-bay analyzer charger	XTAR VC4 Plus
I need extreme fast charging for shortest charging time	2-bay extreme fast charger	XTAR OVER 4 SLIM
I need bulk quantities or custom charging solutions	Contact our sales team	—

⚠️ 22700 Charger Safety Guidelines

• Distinguish Battery Chemistry: 3.7V Li-ion (full charge 4.2V), 3.2V LiFePO₄ (full charge 3.65V), and 1.2V NiMH (full charge 1.45V) require different modes—do not mix. Ensure the charger has correctly identified or manually set the appropriate mode before charging. Never charge a NiMH battery with a Li-ion charger, or vice versa—this can lead to overheating, reduced lifespan, or even safety hazards.
• Verify Size Compatibility: 22700 cells are ~71mm long—about 1mm longer than 21700 and 6mm longer than 18650. Ensure the charger's slider travel is sufficient to securely hold your batteries before purchase. Some models (e.g., XTAR OVER 4 SLIM) support up to 71mm for perfect fitment.
• Select Appropriate Charge Current: 22700 cells charge best at 0.5A–2.7A. If manual setting is available, select an appropriate current based on battery specifications. Small-capacity cells (e.g., 10440, 14500) require lower charging currents.
• Avoid Extreme Temperature Charging: The ideal charging temperature for Li-ion batteries is 10°C–45°C. Never charge batteries below freezing (0°C/32°F)—this can cause permanent, dangerous metallic lithium plating inside the cell. Keep away from heat sources and direct sunlight; ensure good ventilation during charging.
• Avoid Overcharge and Over-Discharge: Although chargers feature auto-termination, keeping batteries at 100% charge for extended periods accelerates aging. Ideally, charge to 80%–90% for better battery protection. Avoid deep discharge below 2.5V.
• Remove After Full Charge: Prolonged connection to power may still affect battery longevity. Remove batteries promptly after charging.

Why Choose Our 22700 Chargers?

• Genuine Brand Products: Chargers from XTAR, Nitecore, Klarus, Veho, and other global professional charger brands—reliable quality with full safety certifications.
• Precisely Compatible with 22700: Curated selection of models supporting 22mm diameter and 71mm+ length with secure grip—eliminates compatibility issues.
• Multi-Chemistry Compatibility: Select models support Li-ion, NiMH, and LiFePO₄ batteries—one charger for multiple needs.
• One-Stop Shopping: 22700 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 22700 Charger for your needs. For volume quotes or technical inquiries, please contact our customer service team.