The HP Stream 7 uses a compact internal lithium-ion battery sized for its small tablet-style chassis. Across the HP Stream line, packs run 11.4 to 11.55 V and about 37 to 41 Wh, and the 7 sits at the smaller end. Because this battery is internal, you will need to open the case to reach it. To be certain of the right pack, check the part number printed on your existing battery and match it before you order, since prices in this category run from $34.99 to $69.99.

Match your exact model and the part number printed on the old battery. Start with the model number on the bottom of the laptop (for example 11-ak000 or 14-cb010), then open the back panel and read the part number on the battery itself, such as HSTNN-LB6O or HSTNN-UB6W. The part number is definitive because two similar Stream machines can take different batteries. With about 410 compatible models covered by 5 distinct part numbers across this line, confirming the printed code avoids ordering the wrong pack.

HP Stream replacement batteries run from $34.99 to $69.99, depending on the sub-series and capacity. Smaller internal packs for models like the Stream 7 and Stream 11 sit toward the lower end, while the larger 3-cell batteries used in the Stream 14 (around 11.55 V and 41.7 Wh) land higher. To make sure you pay for the correct pack, match the part number on your existing battery, such as HSTNN-LB7P, before checking out.

No, HP Stream batteries are not all interchangeable. The line uses 5 distinct part numbers across about 410 models, and the right one depends on your screen size and year. For instance, a Stream 11 often takes a smaller pack near 37 Wh, while a Stream 14 uses a 3-cell battery around 41.7 Wh (such as the BI03XL family). Voltages also vary within the 11.4 to 11.55 V range. Always confirm the printed part number, like HSTNN-UB6W, rather than assuming one battery fits every Stream.

The main differences are physical size, cell count, and capacity, which track with screen size. The Stream 7 and Stream 8 use small internal packs, the Stream 11 and Stream 13 use mid-size internal batteries near 37 Wh, and the Stream 14 steps up to a 3-cell lithium-ion battery around 11.55 V and 41.7 Wh (such as the BI03XL family). Common part numbers across the line include HSTNN-LB6O, HSTNN-LB7P, and HSTNN-UB6W. Because of these differences, the part number on your battery is what determines the correct match.

The definitive part number is printed on the battery itself, so you will need to open the back panel to read it. Look for a code like HSTNN-LB6O, HSTNN-LB7P, or HSTNN-UB6W on the label. The model number on the bottom of the laptop (for example 14-cb010) helps narrow things down, but the printed battery code is what confirms the exact pack. Since HP Stream packs are internal, use a Philips-head screwdriver to remove the back cover and check the label before ordering.

Yes, most people can replace an HP Stream battery at home with basic tools. These packs are internal, so you remove the back panel with a Philips-head screwdriver, disconnect the old battery, and install the matching replacement. The job is straightforward across the line, from the small Stream 7 pack to the 3-cell Stream 14 battery around 41.7 Wh. Before you start, read the part number on your old battery (such as HSTNN-UB6W) so the new pack matches your exact model.

Common signs include much shorter runtime, the laptop shutting off when unplugged, charge levels jumping or sticking, and the system running only while connected to power. On these 11.4 to 11.55 V, 37 to 41 Wh packs, a battery that once lasted hours but now drains quickly is a clear signal. If you see these symptoms, open the back panel, read the part number on the battery (for example HSTNN-LB7P), and order the matching replacement, which runs $34.99 to $69.99 in this category.