Let me start by saying these BEVIGOR rechargeable batteries have been a lifesaver in my gadget-filled household. After going through countless disposable batteries for everything from gaming controllers to smart home devices, this 10-pack with charger has been a worthy investment.

The 2800mAh capacity is no joke - my Xbox controller lasts about 30% longer compared to standard rechargeables. The real MVP here is the smart charger though. Being able to mix AA and AAA batteries while seeing the charging status via LED indicators makes battery management so much easier.

I particularly love using these for my smart door lock. Unlike alkaline batteries that die unexpectedly, these give gradual warnings when running low. The USB-C charging means I can power them up anywhere - perfect when traveling with battery-hungry devices.

The only hiccup? They don't always reach full capacity in high-drain devices like my DSLR camera. For low to medium power devices though? Absolute champions. After three months of cycling through all 10 batteries, they're holding up better than any rechargeables I've tried before.

Yes, the upfront cost is higher, but considering I've already saved about $40 on disposables, they'll pay for themselves soon enough. If you're tired of the battery replacement treadmill, this set is definitely worth considering.