20 Most Recent Ryobi Two 18V Lithium-Ion Batteries + Lithium-Ion Charger Upgrade Combo Pack - Page 2 Questions & Answers


Yes. The first step is to open the battery and check the condition of the wiring for breaks, corrosion, etc. Also check the condition and voltage for the individual 18650 cells. Ryobi batteries are relatively easy to disassemble using available tools, see posting below.
https://www.ifixit.com/Guide/Cell+Re-balance+of+Ryobi+One%2B+18V+Li-ion+Battery+%28130501002%29/13286
Depending on the findings, some parts may need replacing. If you replace the 18650 cells, use new ones which are easily found on eBay.

Ryobi Two 18V... | Answered on Nov 12, 2014


Rebuilding the Lithium batteries is a waste of time and money. For starters the cells cost a minimum of $5 ea and a low power pack takes 5, so now you are in for $25 without doing any work. You can pick up packs on eBay for around $30 - $40 if you shop around. If you know what you are doing, you can strip cells from bad packs and test them to find good ones and then rebuild with those. It can be tricky and you may get mixed results.

Ryobi Two 18V... | Answered on Nov 11, 2014


No, the P110, 18V NiCad battery charger, will not charge a 18V lithium ion battery. You need one of the dual-chemistry chargers. If you have the Ryobi ONE+ batteries, you can get the P117 charger ($30) or a charger with an extra battery (P126) from a store like Home Depot. A 6 battery charger and a 12V in-car charger are also available.

I wish that I had better news for you.

Cindy Wells
(who has the Ryobi 12V drill and charger, a few of the 4V tools, and a number of the ONE+ 18V devices and chargers. The single chemistry battery charger is not used much any more.)

Ryobi Two 18V... | Answered on Nov 11, 2014


Go to the Ryobi website and find your answer. Which is better in terms of what? capacity, weight, cost, etc?

Ryobi Two 18V... | Answered on Jun 19, 2014


The battery cells inside lithium ion batteries (and other types of batteries) tend to corrode if they become wet for a given period of time. They need to be dried out immediately to avoid corrosion. Unfortunately, it seems like it is too late to dry out yours. Your battery will need to be carefully disassembled using procedures on fixya and the corroded cells replaced with similar quality cells. The cells in Ryobi batteries are spotted welded in place and these welds need to be broken carefully using a Stanley knife. Replace the cell(s) with new ones or from other disassembled batteries and solder them in place. Check for cell voltage imbalance (see other solutions on fixya) and reassemble. Good quality Panasonic Li Ion cells can be purchased for about $4 each on ebay. If you go this route, I would recommend replacing all cells, not just the corroded ones.

Ryobi Two 18V... | Answered on Jun 19, 2014


There could be a variety of reasons for the battery malfunction, some of which are listed below:
a) low battery voltage due to long term storage without charging (>1 year, charger will not charge if the voltage is too low. What is the voltage?),
b) cell imbalance due to shorting out the terminals (was the battery used for other purpose than running power tools?),
c) internal corrosion caused by exposing the battery to damp environments during its life (need to open the battery and look for signs of corrosion on the cells. Was the battery left out in the rain at some point in time?),
d) battery age, ie, the cells may have reached their end-of-life based on the number of charge cycles (what are the estimated number of cycles?),
e) faulty charger (does the charger charge other batteries?),
f) internal battery damage with broken connections (has the battery been dropped or mishandled at some point?).

More details should be provided before suggesting possible solutions.

Ryobi Two 18V... | Answered on Jun 16, 2014


No, but the Lithium charger will charge the NiCads.

Ryobi Two 18V... | Answered on Jul 23, 2013


There is no such thing as a memory system in your battery. If you charge the battery until the green light on the charger comes on, that is as much as the battery can/will safely charge to. With Lithium batteries, they will fully charge whether they are at 75%, 50% or 10% capacity when placed on the charger and discharge to 0% if you use them that long. If you need the battery before the green light comes on and you use it, it will still fully charge when replaced on the charger. All batteries do discharge at different rates. Most not noticeably but a few will discharge fast enought to be noticable. If it affects your usage of the tool, you may want to exchange it or get it replaced under warranty because it will only get worse with age.

Ryobi Two 18V... | Answered on Mar 04, 2013


The batteries were discharged too low. A lithium battery should be recharged as soon as you see a loss of power.

Ryobi Two 18V... | Answered on Jan 21, 2013


The physical differences between two models of Ryobi batteries is:
- The P103 (Part Number 130429008) is a 1.5 Amp/Hour (a measure of how long a battery lasts on a charge) battery. If totally discharged it takes about 15-20 minutes to charge back to full. It is lighter than the P104 because it has half the cells inside. Lighter, quicker to recharge, quicker to discharge, shorter lifespan.
- The P104 (Part Number 130429017) is a 3.0 Amp/Hour battery. It takes about 30-35 minutes to charge it to full if fully discharged. Slightly heavier, longer time to discharge & recharge, longer lifespan.
Considerations:
- No difference between batteries in the performance of your tools.
- The number of times you discharge and recharge a battery determines a batteries lifespan. That's why most manuals will tell you to fully discharge a battery before putting it on a charger.
- If you only have one battery you cannot use your tools while it is recharging. On big projects you have to have two batteries.
- The weight difference between batteries is negligable unless you are working with the tool in your hand for extended periods.

Ryobi Two 18V... | Answered on Dec 11, 2012


You are the thrid person in the last couple of days with this same problem and i check who was posting the problems all differant people all RYOBI 18V lithium-ion batterys and they all got them for christmas. SOMETHING is not right there is now warranty on the batterys but there is one on faulty workmenship there must be a problem with this type of battery good luck

Ryobi Two 18V... | Answered on Dec 05, 2012

Not finding what you are looking for?
Ryobi Two  18V Lithium-Ion Batteries + Lithium-Ion Charger Upgrade Combo Pack Logo

114 questions posted

Ask a Question

Usually answered in minutes!

Top Ryobi Drills Experts

JOHN LAPIER

Level 3 Expert

2591 Answers

Cindy Wells

Level 3 Expert

6001 Answers

roeb

Level 3 Expert

819 Answers

Are you a Ryobi Drill Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

View Most Popular

Ryobi Drills

  • Ryobi Drills

Most Popular Question

battery charger just not work anymore

  • Drills
Loading...