Philips Support
Can I mix Philips batteries with different mAh rating?
Mixing batteries of different capacities will generally result in lower capacity battery drain first, while the higher one will not be discharged completely. This is not optimal usage and it's not very good to recharge not-fully-discharged batteries. Therefore, mixing capacities is not recommended.
The information on this page applies to the following models: 9VB1A17/10, R03B2A80/10, R03B4A70/10.
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