DeWalt 12V MAX Lithium-Ion 4.0Ah Battery Pack (DCB126) vs DeWALT 12V Oil Resistant 5Ah Battery
Both are the same core battery: a DeWalt 12V MAX 5.0Ah lithium-ion pack with an LED state-of-charge gauge. The DCB126 is the standard retail pack; the DCB126G is the oil-resistant version with a sealed housing for greasy or dirty jobs. Buy the DCB126G if you work around oil, coolant or grime, and the DCB126 if you want the plain pack. Prices move a lot on both, so check the current price and history on each before you buy.
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DeWalt 12V MAX Lithium-Ion 4.0Ah Battery Pack (DCB126)
4.1Choose the DCB126 if you want the standard 12V MAX 5.0Ah pack and the lowest price you can find on it.
Pros
- Standard 12V MAX 5.0Ah pack with 60 Wh of runtime
- LED fuel gauge shows charge level
- Fits all 12V MAX tools and chargers
- Brand new with at least a 1 year warranty
Cons
- Standard housing offers no extra protection from oil or solvents
- Only 9 ratings, 4.1 out of 5
- Listing title says 4.0Ah while the description says 5.0Ah
What separates them
| DeWalt 12V MAX Lithium-Ion 4.0Ah Battery Pack (DCB126) | DeWALT 12V Oil Resistant 5Ah Battery | |
|---|---|---|
| Model | DCB126 | DCB126G |
| Capacity | 5.0Ah (60 Wh) | 5.0Ah |
| Housing | Standard plastic case | Oil-resistant case |
| State-of-charge gauge | LED fuel gauge | LED indicator |
| Weight | Compact and lightweight | 1 lb |
| Charge time | Not stated | 1.5 hours |
| Compatibility | All 12V MAX tools and chargers | 12V MAX tools and chargers |
| Price spread | Single listing price | $66.50 to $212.67 since 2026-10-30 |
Price history
$212.67$66.50
- DeWalt 12V MAX Lithium-Ion 4.0Ah Battery Pack (DCB126): lowest $79.00 on Oct 30 at Amazon.
- DeWALT 12V Oil Resistant 5Ah Battery: lowest $66.50 on Oct 30 at misterworker.com; $212.67 on Oct 31.
Prices at every store
DeWalt 12V MAX Lithium-Ion 4.0Ah Battery Pack (DCB126)
- Stones Ace ofCheck price at Stones Ace of
- AmazonCheck price at Amazon
- Hardware and ToolsCheck price at Hardware and Tools
DeWALT 12V Oil Resistant 5Ah Battery
- AmazonCheck price at Amazon
- eBayCheck price at eBay
- misterworker.comCheck price at misterworker.com
Specs compared
| Spec | DeWalt 12V MAX Lithium-Ion 4.0Ah Battery Pack (DCB126) | DeWALT 12V Oil Resistant 5Ah Battery |
|---|---|---|
| Condition | New | — |
| Style | 1 Pack | — |
| color | — | Black |
| Volts | — | 12 Volts |
| Battery capacity | — | 5 Amp Hours |
| Compatibility | — | DEWALT |
| Brand | — | DEWALT |
| Pack quantity | — | 1 |
| Model | — | DCB126G |
| Weight | — | 1 lb |
| Retail packaging | — | Single Piece |
Questions and answers
- Is the DCB126G just an oil-resistant DCB126?
- Yes. Both are 12V MAX 5.0Ah lithium-ion packs with an LED charge gauge. The DCB126G adds an oil-resistant housing for dirty work.
- Which lasts longer per charge?
- They are the same capacity, so runtime is the same. DeWalt rates the 5.0Ah pack at about 50% more runtime than the 1.3Ah packs.
- Is the oil-resistant version worth the extra?
- Only if you work around oil, grease or coolant. For clean indoor work the standard DCB126 does the same job for less.
- Will either fit my 12V MAX drill?
- Yes. Both work with all DeWalt 12V MAX tools and 12V MAX chargers.
- How long does it take to charge?
- DeWalt lists about 1.5 hours for the 5.0Ah pack on a 12V MAX charger.
- Why is the DCB126G price so unstable?
- Its lowest daily price was $66.50 on 2026-10-30 and its highest $212.67 on 2026-10-31. Check the price history before buying.
