Product Description
Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery
The Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery is a high-performance power tool battery designed to drive Milwaukee M18 cordless tools across a wide range of trade applications. With its 4.0Ah capacity and advanced REDLITHIUM™ cell technology, it delivers extended runtime, consistent power output and reliable performance for drilling, fastening and cutting tasks on site. Integrated REDLINK™ electronics provide overload, temperature and discharge protection, while individual cell monitoring helps maximise service life. A robust metal frame construction with shock-responsive separators and water protection is engineered to withstand vibration, impact and exposure to tough jobsite conditions. The on-board fuel gauge allows quick checks of remaining charge so users can organise charging and minimise downtime. Fully compatible with the Milwaukee M18™ system, this battery is supplied as a single 18V 4.0Ah Redlithium-ion slide pack for use with existing chargers and tools.
4932430063 Features:
- Milwaukee M18 B4 18V 4.0Ah Redlithium-ion Slide Battery delivers up to 2x more run time to keep cordless tools working longer between charges
- REDLITHIUM™ battery technology provides up to 20% more power for consistent performance across demanding accessories and applications
- REDLINK™ digital overload protection helps prevent damage to Milwaukee M18 cordless power tools in abusive jobsite conditions
- Individual cell monitoring optimises charge and discharge for maximum battery life and long-term reliability
- Durable metal frame battery construction with shock-responsive separators helps protect against vibration, impact and drops on site
- Water protection channels moisture away from internal electronics to support dependable use in tough environments
- Operates in extreme temperatures down to -20 °C, maintaining runtime and battery life in cold-weather conditions
- On-board battery fuel gauge allows quick checking of remaining charge to maximise productivity and plan charging cycles
- 18V 4.0Ah capacity offers a strong balance of power, runtime and weight for everyday trade use
- Fully compatible with the Milwaukee M18™ system for use across a wide range of cordless power tools and accessories
Warranty Information
2 Year Manufacturer WarrantySpecification
| pdp: | https://store-hczpll0y.mybigcommerce.com/content/Thumbnails/Redemptions/Milwaukee_M18Offer_2_PDP.webp |
| pdp_link: | https://www.toolden.co.uk/tool-brands/milwaukee/ |
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| brand-name-xt: | https://cdn11.bigcommerce.com/s-hczpll0y/images/stencil/320w/image-manager/milwaukee-authorised-distributor-logo-sticker-landscape.jpg?t=1707395523 |
| Battery Capacity: | 4.0Ah |
| Country of Origin: | United Kingdom |
| brand-link-xt: | https://www.toolden.co.uk/tool-brands/milwaukee/ |
| top_feature: | 4.0Ah capacity provides an ideal balance of runtime and weight |
| top_feature: | REDLITHIUM technology delivers increased power and longer runtime |
| top_feature: | REDLINK overload protection helps safeguard tools and batteries |
| top_feature: | Individual cell monitoring optimises battery performance and lifespan |
| top_feature: | Integrated fuel gauge allows quick charge level checks |
| top_feature: | Durable construction protects against impact and vibration |
| top_feature: | Operates in temperatures as low as -20°C |
| top_feature: | Compatible with all Milwaukee M18 tools and chargers |
| Brand: | Milwaukee |
| Model: | M18B4 |
| System compatibility: | M18 |
| Battery type: | Li-ion |
| Battery technology: | REDLITHIUM |
| Battery pack capacity: | 4.0Ah |
| Charge time with M12_18 AC charger: | 80min |
| Charge time with M12_18 C charger: | 80min |
| Charge time with M12_18 FC charger: | 52min |
| Charge time with M12_18 SC charger: | 52min |
| Charge time with M1418C6 charger: | 80min |
| Charge time with M18 DFC charger: | 52min |
| Charger included: | No charger supplied |
| Supplied in: | No kit box or bag supplied |
| Operating temperature range: | Down to -20  |
| On-board fuel gauge: | Yes |
| Overload protection: | REDLINK digital overload protection |
| Cell monitoring: | Individual cell monitoring |
| Battery construction: | Durable metal frame with shock-responsive separators |
| Water protection: | Routes water away from electronics and out of the pack |
| Weight: | 0.7kg |
| GTIN: | 4002395377244 |
| Manufacturer part number (MPN): | 4932430063 |
| FQQ: | What is the voltage and capacity of the M18B4 battery? |
| FAA: | It is an 18V, 4.0Ah lithium-ion battery. |
| FQQ: | Is the M18B4 compatible with all Milwaukee M18 tools? |
| FAA: | Yes, it is compatible with all Milwaukee M18 system tools. |
| FQQ: | What are the key performance benefits of REDLITHIUM technology? |
| FAA: | It delivers up to 2x more run time, up to 20% more power and up to 2x more battery life compared with previous or other lithium-ion technologies, depending on the tool and application. |
| FQQ: | Does the battery include overload protection? |
| FAA: | Yes, REDLINK digital overload protection helps protect the tool and battery in demanding situations. |
| FQQ: | How does the battery manage individual cells? |
| FAA: | Individual cell monitoring optimises charge and discharge for maximum battery life. |
| FQQ: | Is the M18B4 designed to withstand tough site conditions? |
| FAA: | Yes, it has a durable metal frame and shock responsive separators to help prevent pack failure from vibration or drops. |
| FQQ: | Can I use this battery in cold weather? |
| FAA: | Yes, it operates in temperatures as low as -20°C without compromising run time or battery life. |
| FQQ: | Does the battery have water protection? |
| FAA: | Yes, its design routes water away from the electronics and out of the pack. |
| FQQ: | Is there a way to check the remaining charge on the battery? |
| FAA: | Yes, an on-board fuel gauge shows the charge status to help you maximise run-time efficiency. |
| FQQ: | How long does the M18B4 take to charge? |
| FAA: | Typical charge time is approximately 52-80 minutes, depending on the charger used. |
| Included: | 1x Milwaukee M18B4 18V 4.0Ah REDLITHIUM-ION Slide Battery Pack |
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