Emanjor JC04 38Wh 14.8V 4-cell battery for HP 15-bs 17-bs 15-bw 17-ak series

Replacement Battery for HP 15-bs and 17-bs Series

The Emanjor JC04 is a 38Wh lithium-ion battery built with four Grade A cells rated at 14.8V. It replaces original part numbers such as 919700-850, 919701-850 and HSTNN-LB7V across numerous HP 15-bs, 17-bs, 15-bw and 17-ak notebooks. Buyers who need a higher-capacity pack or a different voltage will not find a match here.

Straightforward Swap with Basic Tools

Installation requires only a small Phillips screwdriver to remove the bottom case screws and disconnect the old pack. The connector orientation matches the factory design, so alignment is immediate. A common mistake is forgetting to detach the internal cable before lifting the battery, which can strain the motherboard header.

Steady Output Through a Full Workday

The 2600mAh capacity delivers consistent voltage across the discharge curve rather than a sharp drop near the end. Grade A cells support around 500 recharge cycles while maintaining low internal resistance. Users who run continuous heavy workloads without AC power will see shorter runtime than with a larger-capacity alternative.