BFKK Power 99 Pro V-Mount Battery 99Wh 6875mAh OLED Time Display
- Battery
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KingSener
Replacement lithium-ion battery delivers 7.5V, 6000mAh and 45Wh for Trimble YAN2/YAN II survey multimeters
The KingSener 10854-01 is a lithium-ion battery built to replace the original pack in Trimble YAN2 and YAN II survey multimeters. It delivers 7.5V and 6000mAh for 45Wh of rated energy. The physical size matches the factory unit so installation requires no modification.
Lithium-ion cells provide stable voltage through most of the discharge curve but capacity drops sharply near the end. The pack cannot be fast-charged beyond the device's built-in controller and will degrade if left at full charge in hot conditions. Runtime scales with the multimeter's current draw which varies by measurement mode.
This unit replaces an exhausted or swollen factory battery that no longer holds useful charge. The jump is worth it when field sessions end early because the old pack cannot sustain a full day. It is not for users needing higher voltage or a different form factor.
| Brand | KingSener |
|---|---|
| Model | 10854-01 |
| Battery Capacity | 6000mAh/45WH |
| Battery Voltage | 7.5V |
Match the original battery model number 10854-01 and confirm the 7.5V 6000mAh rating and physical dimensions against your existing pack before ordering.
The 45Wh rating means the pack can deliver 45 watts for one hour; actual operating time depends on the multimeter's power draw, which varies with measurement mode and display brightness.
The battery is built to the same form factor and connector as the original Trimble pack, so it fits directly without adapters or soldering.
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