Last updated at 14/07/2026 11:24:24
Milwaukee M12b4 12V 4.0Ah Cordless Tool Battery Cordless Tool Battery
Delivery $14.50
Milwaukee 12v 4ah Li-ion M12b4 Redlithium-ion Battery M12b4 (new) Au
Delivery $9.90
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M12 ¢ Redlithium -Ion 4.0Ah Battery Pack
| Power Supply | Cordless |
| Buying Option | 4.0Ah 12V Battery |
| Pack Size | 1 |
| Voltage | 12V |
| Battery Type | Lithium-Ion |
Milwaukee M12b4 12V 4.0Ah Cordless Tool Battery Cordless Tool Battery
Delivery $14.50
Milwaukee 12v 4ah Li-ion M12b4 Redlithium-ion Battery M12b4 (new) Au
Delivery $9.90
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
M12 ¢ Redlithium -Ion 4.0Ah Battery Pack
| Power Supply | Cordless |
| Buying Option | 4.0Ah 12V Battery |
| Pack Size | 1 |
| Voltage | 12V |
| Battery Type | Lithium-Ion |
Milwaukee M12B4 12v 4.0ah Red Lithium Ion Battery Up to 2 x more run time, 20% more power and up to 2 x more recharges. Uses the sophisticated Milwaukee REDLINK Intelligence - provides optimized performance and overload protection using total system communication between tool, battery and charger. The most advanced system in cordless electronics. With overload protection means the user is prevented from damaging their cordless power tool. The temperature management system and individual cell monitoring keeps the battery in the ideal temperature range to provide maximum life. Runs 20% colder than other lithium-ion technologies. Durable construction rubber over mould, rigid metal cage and 3 layers of shock absorbers help protect the battery. Also features an on board fuel gauge to help monitor the charge. Up to 2 x more run time, 20% more power up to 2 x more recharges.
Milwaukee M12B4 12v 4.0ah Red Lithium Ion Battery Up to 2 x more run time, 20% more power and up to 2 x more recharges. Uses the sophisticated Milwaukee REDLINK Intelligence - provides optimized performance and overload protection using total system communication between tool, battery and charger. The most advanced system in cordless electronics. With overload protection means the user is prevented from damaging their cordless power tool. The temperature management system and individual cell monitoring keeps the battery in the ideal temperature range to provide maximum life. Runs 20% colder than other lithium-ion technologies. Durable construction rubber over mould, rigid metal cage and 3 layers of shock absorbers help protect the battery. Also features an on board fuel gauge to help monitor the charge. Up to 2 x more run time, 20% more power up to 2 x more recharges.
Milwaukee M12 4.0Ah 12V Li-ion Battery | Its
Milwaukee M12B4 12v 4.0ah Red Lithium Ion Battery Up to 2 x more run time, 20% more power and up to 2 x more recharges. Uses the sophisticated Milwaukee REDLINK Intelligence - provides optimized performance and overload protection using total system communication between tool, battery and charger. The most advanced system in cordless electronics. With overload protection means the user is prevented from damaging their cordless power tool. The temperature management system and individual cell monitoring keeps the battery in the ideal temperature range to provide maximum life. Runs 20% colder than other lithium-ion technologies. Durable construction rubber over mould, rigid metal cage and 3 layers of shock absorbers help protect the battery. Also features an on board fuel gauge to help monitor the charge. Up to 2 x more run time, 20% more power up to 2 x more recharges.
Milwaukee M12B4 12v 4.0ah Red Lithium Ion Battery Up to 2 x more run time, 20% more power and up to 2 x more recharges. Uses the sophisticated Milwaukee REDLINK Intelligence - provides optimized performance and overload protection using total system communication between tool, battery and charger. The most advanced system in cordless electronics. With overload protection means the user is prevented from damaging their cordless power tool. The temperature management system and individual cell monitoring keeps the battery in the ideal temperature range to provide maximum life. Runs 20% colder than other lithium-ion technologies. Durable construction rubber over mould, rigid metal cage and 3 layers of shock absorbers help protect the battery. Also features an on board fuel gauge to help monitor the charge. Up to 2 x more run time, 20% more power up to 2 x more recharges.
in 3 offers
The lowest price for Milwaukee M12 4.0Ah 12V Li-ion Battery | Its right now is $59.00 at Cash Converters, compared across 3 retailers.
The all-time low was $30.92 on 10 Mar 2026 — today's price is 91% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 14 July 2026.
