The Milwaukee REDLITHIUM USB Battery powers Milwaukee USB Rechargeable products. The REDLTIHIUM USB Battery delivers maximum runtime, long life, and fast charging.
The Milwaukee REDLITHIUM USB Battery powers Milwaukee USB Rechargeable products. The REDLTIHIUM USB Battery delivers maximum runtime, long life, and fast charging.
in 2 offers
The lowest price for Milwaukee REDLITHIUM USB Battery - L4B2 right now is $49.00 at Industrial Shed, compared across 2 retailers.
The all-time low was $24.90 on 26 Oct 2024 — today's price is 97% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 29 Oct 2026.
Milwaukee REDLITHIUM USB Battery - L4B2
The Milwaukee REDLITHIUM USB Battery powers Milwaukee USB Rechargeable products. The REDLTIHIUM USB Battery delivers maximum runtime, long life, and fast charging.
The Milwaukee REDLITHIUM USB Battery powers Milwaukee USB Rechargeable products. The REDLTIHIUM USB Battery delivers maximum runtime, long life, and fast charging.
Last updated at 29/10/2026 18:26:32
Milwaukee - REDLITHIUM USB Battery | L4B2
Delivery between 30 Oct – 7 Nov $27.95
Milwaukee Redlithium Usb Battery 2.0ah Fast Charging Capacity L4b2
Free delivery
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!
originally posted on ebay.com
Great product
originally posted on ebay.com
Over priced
originally posted on ebay.com
Only bought due to the original battery having a poor charge life , new battery exactly the same, Milwaukee need to improve these batteries or sell their headlamps with 2 batteries, on the plus side the illumination is second to none, the only reason for buying the back up battery
| Power Source | Cordless |
| Battery Voltage | 4.0V |
| Battery Type | REDLITHIUM USB Battery |
| Battery Capacity | 2x more capacity (over 3 x AAA alkaline batteries) |
| Number of Batteries Included | 1 |
Milwaukee - REDLITHIUM USB Battery | L4B2
Delivery between 30 Oct – 7 Nov $27.95
Milwaukee Redlithium Usb Battery 2.0ah Fast Charging Capacity L4b2
Free delivery
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!
Great product
Over priced
Only bought due to the original battery having a poor charge life , new battery exactly the same, Milwaukee need to improve these batteries or sell their headlamps with 2 batteries, on the plus side the illumination is second to none, the only reason for buying the back up battery
| Power Source | Cordless |
| Battery Voltage | 4.0V |
| Battery Type | REDLITHIUM USB Battery |
| Battery Capacity | 2x more capacity (over 3 x AAA alkaline batteries) |
| Number of Batteries Included | 1 |
