Author Topic: Batteries, USB & Charging Equipment  (Read 5288 times)

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Offline CRX

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Batteries, USB & Charging Equipment
« on: October 01, 2014, 12:42:00 AM »
Batteries/ Cells

A quick reference to some quality batteries with capacities, dimensions, runtimes etc
Images and data courtesy of HKJ
For his full in-depth reviews please visit his website

Quality Non Rechargeable Primary Batteries








More About Primary Batteries


Eneloop NiMH Rechargeable
(Probably the best NiMH rechargeables you can buy)

From HKJ's Reviews and ChibiM's BLF thread about Eneloops












Comparison of AA Battery Chemistries




HKJ's NiMH & Primary Cells Comparator


Quality Lithium-Ion Rechargeable Batteries
(Safe Values for this type of cell are, unless otherwise stated: Fully Charged 4.2v - Fully Depleted 3.0v)

Lithium-Ion Cell Designations


Although most cells do not conform to these exact measurements, especially protected button top cells which are usually slightly longer & wider.


10440 Cells






14500 Cells















16340 Cells










CR123A and Rechargeable Substitutes


18350 Cells











HKJ's Small Li-Ion Cells Comparator

18500 Cells











18650 Cells






















Estimating Remaining Capacity in Li-Ion Cells




HKJ's 18650 Li-Ion Cells Comparator

HKJ Summary for all Tested 18650 Cells
HKJ Common Curves for all Tested 18650 Cells


26650 Cells













HKJ's 26650 Li-Ion Cells Comparator


Reading The Graphs







More Useful Information About Batteries

Battery University
Rechargeable Battery Basics

Battery Definitions
Battery Terminology
Battery Glossary
Battery Sizes
Flashlight Terminology

Battery Chemistries - Zinc Carbon,
Alkaline, NiCd, NiMH, Lithium Primary
Other Chemistry Types

Types of Battery Cells
Nickel-Based Batteries
Lithium-Based Batteries
Types of Lithium-Ion Cells
Lithium-Ion Rechargeable Batteries
Lithium Non-Rechargeable Batteries
Comparison of Secondary Batteries

Charging Lithium-Ion Batteries
Charging NiMH Batteries
Charging NiCd Batteries
Charging from a USB Port
How to Charge & When to Charge
Fast and Ultra-Fast Chargers
How to Prime Batteries
Cycling Performance
Basics about Discharging
Discharging at High & Low Temperatures

Battery Capacity
What is the C-rate
Confusion with Voltages
How to Maximize Runtime
Net Calorific Value
Estimating Remaining Capacity in Li-Ion Cells

HKJ's Comparators - NiMH & Primary
Small Li-Ion  Large Li-Ion  26650 Li-Ion
AkkuDB Cell Comparators

How to Store Batteries
How to Prolong Lithium-Based Cells
What causes Lithium-Ion to Age
How to Know End of Battery Life
Can Batteries be Restored?
Four Renegades of Battery Failure
Optical Micrographs taken from a Failed 18650
Corrosion, Shedding and Internal Short

Li-Ion Battery Safety and Shopping Guide
Summary of Do's and Dont's
Safety of Lithium-Ion Batteries
Lithium-Ion Safety Concerns

Parasitic Drain
How to Find Parasitic Drain

Internal Resistance of Batteries
How Healthy are your Batteries

How to Rewrap Batteries
The Anatomy of a Protected Battery
Disassembly of an 18650 Battery

Protection Circuits
How to Tell if a Battery is Protected
Discharge Protection Tests

Serial and Parallel Configurations
Using a Digital Multimeter


USB Accessories/ Equipment
(With links to reviews)



Charger Doctor USB Current/ Voltage Detector




Xtar VI01 USB Current/ Voltage Detector


Battery Powerbanks
(With links to reviews)



ENB USB Battery Box 218650




FlourEon HQM403 Battery Box 418650




Huamen/Evertones ET-406 USB Battery Box 418650




Ruinovo USB Battery Box 418650




Coolook PB-2000 USB Battery Box 418650

How HKJ Tests USB Power Supplies/ Powerbanks


Battery Chargers
(With links to reviews)



TP4056 Charger Board




ML-102 & Mods




Xtar MC1




Xtar MC2




Xtar MP1




Soshine SC-S7




Xtar SP1




Xtar SP2




Xtar VP2




Nitecore Intellicharger i2 (2014 Version)




NiteCore Intellicharger i4 V2 & (2014 Version)




Efest LUC V4 (2014)




ThruNite MCC-4




Opus BT-C3100 V2.1




Turnigy Accucell 6 Hobby Charger

How HKJ Tests Chargers


More Information About Chargers


Charger Basics - 1, 2
Reviews of Batteries and Chargers
Reviews of USB Charging Equipment
What is a Hobby Charger

« Last Edit: October 01, 2014, 03:15:12 PM by JohnnyMac »

Offline JohnnyMac

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Re: Batteries, USB & Charging Equipment
« Reply #1 on: October 01, 2014, 03:16:12 PM »
Another great resource post, CRX!   Stickied.

Offline lightme

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Re: Batteries, USB & Charging Equipment
« Reply #2 on: August 19, 2017, 04:27:50 AM »
Just have a quick read, what a comprehensive explanation of battery & chargers. Nice, thank you, already bookmarked it and will have a deeper read later!  8)